CSS named colour
Light Blue
#add8e6
A CSS named colour: lightblue is valid anywhere a colour is expected.
- RGB
- rgb(173 216 230)
- HSL
- 195°, 53%, 79%
- OKLCh
- 85.6% 0.049 219.7
Light Blue in every format
Web & CSSThe everyday formats for stylesheets and design tools.
| Hex | #add8e6 | |
|---|---|---|
| RGB | rgb(173 216 230) | |
| RGB legacy | rgb(173, 216, 230) | |
| RGB percent | rgb(67.84% 84.71% 90.2%) | |
| HSL | hsl(194.7 53.3% 79%) | |
| HSL legacy | hsl(194.7, 53.3%, 79%) | |
| HSV / HSB | hsv(194.7, 24.8%, 90.2%) | |
| HWB | hwb(194.7 67.8% 9.8%) | |
| Nearest name | lightblue | |
| CMYK | cmyk(24.8%, 6.1%, 0%, 9.8%)Naive conversion. Real print work needs an ICC profile. |
Perceptual & wide gamutModern CSS colour spaces for uniform scales and P3 displays.
| OKLCh | oklch(85.623% 0.04894 219.654)Modern CSS colour space for even palettes — better than HSL when building scales. | |
|---|---|---|
| OKLab | oklab(85.623% -0.03768 -0.03123) | |
| CIE LCh | lch(83.612% 16.979 223.94) | |
| CIE Lab | lab(83.612% -12.226 -11.782) | |
| Display P3 | color(display-p3 0.7122 0.8422 0.8949) | |
| Rec. 2020 | color(rec2020 0.7216 0.8183 0.8814) | |
| srgb-linear | color(srgb-linear 0.4179 0.6867 0.7913)Light-linear sRGB — the same numbers a shader wants for maths. | |
| CIE XYZ (D65) | color(xyz-d65 0.5607 0.6371 0.8421) |
ShadersGLSL, HLSL and WGSL vectors in both encoded and linear form.
| GLSL vec3 — sRGB | vec3(0.678, 0.847, 0.902)Encoded values. Use when writing straight to the framebuffer. | |
|---|---|---|
| GLSL vec3 — linear | vec3(0.418, 0.687, 0.791)Light-linear values. Use for lighting, blending and mixing. | |
| GLSL vec4 — sRGB | vec4(0.678, 0.847, 0.902, 1.0) | |
| GLSL vec4 — linear | vec4(0.418, 0.687, 0.791, 1.0) | |
| GLSL ivec3 | ivec3(173, 216, 230) | |
| HLSL float3 — sRGB | float3(0.678, 0.847, 0.902) | |
| HLSL float3 — linear | float3(0.418, 0.687, 0.791) | |
| HLSL float4 — sRGB | float4(0.678, 0.847, 0.902, 1.0) | |
| HLSL half4 — sRGB | half4(0.678, 0.847, 0.902, 1.0) | |
| WGSL vec3f — sRGB | vec3f(0.678, 0.847, 0.902) | |
| WGSL vec4f — sRGB | vec4f(0.678, 0.847, 0.902, 1.0) | |
| WGSL vec3<f32> — linear | vec3<f32>(0.418, 0.687, 0.791) |
Engines & appsConstructors for Unity, Unreal, Godot, Flutter, SwiftUI and Android.
| Unity Color | new Color(0.678f, 0.847f, 0.902f, 1.0f)Color for everyday scripting (0–1). Color32 when you need whole numbers from 0 to 255. | |
|---|---|---|
| Unity Color32 | new Color32(173, 216, 230, 255) | |
| Unreal FLinearColor | FLinearColor(0.4179f, 0.6867f, 0.7913f, 1.0f)FLinearColor for materials and lighting. FColor when you need whole numbers from 0 to 255. | |
| Unreal FColor | FColor(173, 216, 230, 255)Whole numbers from 0 to 255 — use when an API asks for FColor, not FLinearColor. | |
| Godot Color | Color(0.678, 0.847, 0.902, 1) | |
| Flutter Color | Color(0xFFADD8E6)Packed ARGB, so alpha comes first. | |
| Android Color | Color.rgb(173, 216, 230) | |
| SwiftUI Color | Color(red: 0.678, green: 0.847, blue: 0.902) | |
| UIKit UIColor | UIColor(red: 0.678, green: 0.847, blue: 0.902, alpha: 1) |
Raw valuesPacked integers and plain arrays.
| 0x hex | 0xADD8E6 | |
|---|---|---|
| 0x hex (ARGB) | 0xFFADD8E6 | |
| Array 0–1 | [0.678, 0.847, 0.902] | |
| Array 0–255 | [173, 216, 230] | |
| Decimal integer | 11393254 |
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 Blue on white | 1.53:1 | Fail | Lc 24 | Not usable for text |
| Light Blue on black | 13.74:1 | AAA | Lc 79 | Body text, 18px and up |
Light Blue text on a white background
Light Blue text on a black background
White text on Light Blue
Black text on Light Blue
Tonal scale
Hue held fixed while lightness walks OKLCh, ready to use as a design system ramp.
- 50#defeff
- 100#d2f4ff
- 200#c0e3ef
- 300#a7cdda
- 400#89b1be
- 500#6a93a0
- 600#527885
- 700#3d616c
- 800#2c4d57
- 900#1f3d46
- 950#0a232a
Tints and shades
Mixed perceptually toward white and black, so the steps feel evenly spaced.
- Tint 1#bbdfea
- Tint 2#c9e5ee
- Tint 3#d6ecf3
- Tint 4#e4f2f7
- Tint 5#f1f9fb
- Shade 1#87a9b4
- Shade 2#637d85
- Shade 3#415359
- Shade 4#212c30
- Shade 5#060a0c
Colours that work with Light Blue
Complementary, triadic and analogous partners, rotated in OKLCh so they keep the same apparent brightness.
- #edc6b8
- #e7c4da
- #d7d1ad
- #acdbd7
- #b8d3ef
Closest CSS names
lightblueexact matchpowderblueΔEok 0.022lightgrayΔEok 0.050lightsteelblueΔEok 0.051skyblueΔEok 0.053paleturquoiseΔEok 0.057