CSS named colour

Medium Slate Blue

#7b68ee

A CSS named colour: mediumslateblue is valid anywhere a colour is expected.

RGB: rgb(123 104 238)
HSL: 249°, 80%, 67%
OKLCh: 60.4% 0.194 285.5

Medium Slate Blue in every format

Web & CSSThe everyday formats for stylesheets and design tools.

Hex	`#7b68ee`
RGB	`rgb(123 104 238)`
RGB legacy	`rgb(123, 104, 238)`
RGB percent	`rgb(48.24% 40.78% 93.33%)`
HSL	`hsl(248.5 79.8% 67.1%)`
HSL legacy	`hsl(248.5, 79.8%, 67.1%)`
HSV / HSB	`hsv(248.5, 56.3%, 93.3%)`
HWB	`hwb(248.5 40.8% 6.7%)`
Nearest name	`mediumslateblue`
CMYK	`cmyk(48.3%, 56.3%, 0%, 6.7%)`Naive conversion. Real print work needs an ICC profile.

Perceptual & wide gamutModern CSS colour spaces for uniform scales and P3 displays.

OKLCh	`oklch(60.447% 0.19389 285.498)`Modern CSS colour space for even palettes — better than HSL when building scales.
OKLab	`oklab(60.447% 0.05181 -0.18684)`
CIE LCh	`lch(51.283% 74.595 296.976)`
CIE Lab	`lab(51.283% 33.837 -66.479)`
Display P3	`color(display-p3 0.4702 0.4106 0.9023)`
Rec. 2020	`color(rec2020 0.4417 0.3698 0.8844)`
srgb-linear	`color(srgb-linear 0.1981 0.1384 0.855)`Light-linear sRGB — the same numbers a shader wants for maths.
CIE XYZ (D65)	`color(xyz-d65 0.2855 0.2028 0.833)`

ShadersGLSL, HLSL and WGSL vectors in both encoded and linear form.

GLSL vec3 — sRGB	`vec3(0.482, 0.408, 0.933)`Encoded values. Use when writing straight to the framebuffer.
GLSL vec3 — linear	`vec3(0.198, 0.138, 0.855)`Light-linear values. Use for lighting, blending and mixing.
GLSL vec4 — sRGB	`vec4(0.482, 0.408, 0.933, 1.0)`
GLSL vec4 — linear	`vec4(0.198, 0.138, 0.855, 1.0)`
GLSL ivec3	`ivec3(123, 104, 238)`
HLSL float3 — sRGB	`float3(0.482, 0.408, 0.933)`
HLSL float3 — linear	`float3(0.198, 0.138, 0.855)`
HLSL float4 — sRGB	`float4(0.482, 0.408, 0.933, 1.0)`
HLSL half4 — sRGB	`half4(0.482, 0.408, 0.933, 1.0)`
WGSL vec3f — sRGB	`vec3f(0.482, 0.408, 0.933)`
WGSL vec4f — sRGB	`vec4f(0.482, 0.408, 0.933, 1.0)`
WGSL vec3<f32> — linear	`vec3<f32>(0.198, 0.138, 0.855)`

Engines & appsConstructors for Unity, Unreal, Godot, Flutter, SwiftUI and Android.

Unity Color	`new Color(0.482f, 0.408f, 0.933f, 1.0f)`Color for everyday scripting (0–1). Color32 when you need whole numbers from 0 to 255.
Unity Color32	`new Color32(123, 104, 238, 255)`
Unreal FLinearColor	`FLinearColor(0.1981f, 0.1384f, 0.855f, 1.0f)`FLinearColor for materials and lighting. FColor when you need whole numbers from 0 to 255.
Unreal FColor	`FColor(123, 104, 238, 255)`Whole numbers from 0 to 255 — use when an API asks for FColor, not FLinearColor.
Godot Color	`Color(0.482, 0.408, 0.933, 1)`
Flutter Color	`Color(0xFF7B68EE)`Packed ARGB, so alpha comes first.
Android Color	`Color.rgb(123, 104, 238)`
SwiftUI Color	`Color(red: 0.482, green: 0.408, blue: 0.933)`
UIKit UIColor	`UIColor(red: 0.482, green: 0.408, blue: 0.933, alpha: 1)`

Raw valuesPacked integers and plain arrays.

0x hex	`0x7B68EE`
0x hex (ARGB)	`0xFF7B68EE`
Array 0–1	`[0.482, 0.408, 0.933]`
Array 0–255	`[123, 104, 238]`
Decimal integer	`8087790`

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
Medium Slate Blue on white	4.15:1	AA Large	Lc 68	Headings and large text
Medium Slate Blue on black	5.06:1	AA	Lc 33	Non-text elements only

Medium Slate Blue text on a white background

Medium Slate Blue text on a black background

White text on Medium Slate Blue

Black text on Medium Slate Blue

Tonal scale

Hue held fixed while lightness walks OKLCh, ready to use as a design system ramp.

50#f5f5ff
100#eaeaff
200#d7d6ff
300#bebbff
400#a197ff
500#8472f9
600#6c58d8
700#5741b8
800#452f9b
900#361f82
950#1f0558

Tints and shades

Mixed perceptually toward white and black, so the steps feel evenly spaced.

Tint 1#8e83f3
Tint 2#a29df7
Tint 3#b8b6fb
Tint 4#cfcefd
Tint 5#e7e7ff
Shade 1#5f50bb
Shade 2#45398a
Shade 3#2c245c
Shade 4#151032
Shade 5#03020d

Colours that work with Medium Slate Blue

Complementary, triadic and analogous partners, rotated in OKLCh so they keep the same apparent brightness.

#8f8500
#d94d00
#009c6b
#147ff1
#ac54ce

Closest CSS names

mediumslateblueexact match
mediumpurpleΔEok 0.054
slateblueΔEok 0.065
royalblueΔEok 0.078
bluevioletΔEok 0.109
cornflowerblueΔEok 0.112