CSS named colour
Light Sky Blue
#87cefa
A CSS named colour: lightskyblue is valid anywhere a colour is expected.
- RGB
- rgb(135 206 250)
- HSL
- 203°, 92%, 75%
- OKLCh
- 82.1% 0.095 236.8
Light Sky Blue in every format
Web & CSSThe everyday formats for stylesheets and design tools.
| Hex | #87cefa | |
|---|---|---|
| RGB | rgb(135 206 250) | |
| RGB legacy | rgb(135, 206, 250) | |
| RGB percent | rgb(52.94% 80.78% 98.04%) | |
| HSL | hsl(203 92% 75.5%) | |
| HSL legacy | hsl(203, 92%, 75.5%) | |
| HSV / HSB | hsv(203, 46%, 98%) | |
| HWB | hwb(203 52.9% 2%) | |
| Nearest name | lightskyblue | |
| CMYK | cmyk(46%, 17.6%, 0%, 2%)Naive conversion. Real print work needs an ICC profile. |
Perceptual & wide gamutModern CSS colour spaces for uniform scales and P3 displays.
| OKLCh | oklch(82.062% 0.09453 236.754)Modern CSS colour space for even palettes — better than HSL when building scales. | |
|---|---|---|
| OKLab | oklab(82.062% -0.05182 -0.07906) | |
| CIE LCh | lch(79.29% 32.478 243.62) | |
| CIE Lab | lab(79.29% -14.431 -29.096) | |
| Display P3 | color(display-p3 0.5916 0.8006 0.9636) | |
| Rec. 2020 | color(rec2020 0.6258 0.7711 0.9566) | |
| srgb-linear | color(srgb-linear 0.2423 0.6172 0.956)Light-linear sRGB — the same numbers a shader wants for maths. | |
| CIE XYZ (D65) | color(xyz-d65 0.4932 0.5619 0.9869) |
ShadersGLSL, HLSL and WGSL vectors in both encoded and linear form.
| GLSL vec3 — sRGB | vec3(0.529, 0.808, 0.98)Encoded values. Use when writing straight to the framebuffer. | |
|---|---|---|
| GLSL vec3 — linear | vec3(0.242, 0.617, 0.956)Light-linear values. Use for lighting, blending and mixing. | |
| GLSL vec4 — sRGB | vec4(0.529, 0.808, 0.98, 1.0) | |
| GLSL vec4 — linear | vec4(0.242, 0.617, 0.956, 1.0) | |
| GLSL ivec3 | ivec3(135, 206, 250) | |
| HLSL float3 — sRGB | float3(0.529, 0.808, 0.98) | |
| HLSL float3 — linear | float3(0.242, 0.617, 0.956) | |
| HLSL float4 — sRGB | float4(0.529, 0.808, 0.98, 1.0) | |
| HLSL half4 — sRGB | half4(0.529, 0.808, 0.98, 1.0) | |
| WGSL vec3f — sRGB | vec3f(0.529, 0.808, 0.98) | |
| WGSL vec4f — sRGB | vec4f(0.529, 0.808, 0.98, 1.0) | |
| WGSL vec3<f32> — linear | vec3<f32>(0.242, 0.617, 0.956) |
Engines & appsConstructors for Unity, Unreal, Godot, Flutter, SwiftUI and Android.
| Unity Color | new Color(0.529f, 0.808f, 0.98f, 1.0f)Color for everyday scripting (0–1). Color32 when you need whole numbers from 0 to 255. | |
|---|---|---|
| Unity Color32 | new Color32(135, 206, 250, 255) | |
| Unreal FLinearColor | FLinearColor(0.2423f, 0.6172f, 0.956f, 1.0f)FLinearColor for materials and lighting. FColor when you need whole numbers from 0 to 255. | |
| Unreal FColor | FColor(135, 206, 250, 255)Whole numbers from 0 to 255 — use when an API asks for FColor, not FLinearColor. | |
| Godot Color | Color(0.529, 0.808, 0.98, 1) | |
| Flutter Color | Color(0xFF87CEFA)Packed ARGB, so alpha comes first. | |
| Android Color | Color.rgb(135, 206, 250) | |
| SwiftUI Color | Color(red: 0.529, green: 0.808, blue: 0.98) | |
| UIKit UIColor | UIColor(red: 0.529, green: 0.808, blue: 0.98, alpha: 1) |
Raw valuesPacked integers and plain arrays.
| 0x hex | 0x87CEFA | |
|---|---|---|
| 0x hex (ARGB) | 0xFF87CEFA | |
| Array 0–1 | [0.529, 0.808, 0.98] | |
| Array 0–255 | [135, 206, 250] | |
| Decimal integer | 8900346 |
Contrast and accessibility
WCAG 2 ratios are what audits and legislation reference. APCA is shown alongside because WCAG 2 is known to misjudge mid-tone backgrounds, and it is the basis of the WCAG 3 draft.
| Pairing | WCAG 2 ratio | Level | APCA | Suitable for |
|---|---|---|---|---|
| Light Sky Blue on white | 1.72:1 | Fail | Lc 31 | Non-text elements only |
| Light Sky Blue on black | 12.24:1 | AAA | Lc 72 | Headings and large text |
Light Sky Blue text on a white background
Light Sky Blue text on a black background
White text on Light Sky Blue
Black text on Light Sky Blue
Tonal scale
Hue held fixed while lightness walks OKLCh, ready to use as a design system ramp.
- 50#e1fcff
- 100#cdf4ff
- 200#aae5ff
- 300#90cff6
- 400#6fb2dc
- 500#4d94bd
- 600#3479a0
- 700#1f6185
- 800#0d4d6d
- 900#003d59
- 950#002339
Tints and shades
Mixed perceptually toward white and black, so the steps feel evenly spaced.
- Tint 1#9cd6fb
- Tint 2#b1dffc
- Tint 3#c5e7fd
- Tint 4#d8effe
- Tint 5#ecf7ff
- Shade 1#69a1c4
- Shade 2#4c7791
- Shade 3#314e61
- Shade 4#182a35
- Shade 5#04090e
Colours that work with Light Sky Blue
Complementary, triadic and analogous partners, rotated in OKLCh so they keep the same apparent brightness.
- #f4b588
- #f7abc5
- #c0cd85
- #73d6e3
- #a8c3ff
Closest CSS names
lightskyblueexact matchskyblueΔEok 0.022lightsteelblueΔEok 0.056lightblueΔEok 0.061powderblueΔEok 0.079deepskyblueΔEok 0.089