#8581CB#8581CB

#8581CB is a light, moderate blue. Relative luminance 0.250; OKLCH L 63.7% C 0.110 H 285.3°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#8581CB
RGB	rgb(133, 129, 203)
HSL	hsl(243, 42%, 65%)
HSV	hsv(243, 36%, 80%)
CMYK	cmyk(34.5%, 36.5%, 0%, 20.4%)
CIE-LAB	lab(57.07, 18.90, -37.82)
CIE-LCH	lch(57.07, 42.28, 296.56°)
OKLab	oklab(63.72% 0.029 -0.1058)
OKLCH	oklch(63.72% 0.11 285.3)
XYZ	xyz(28.2997, 24.9980, 59.8224)
Luminance	0.2500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8581CB #C7CB81

analogous

#81A2CB #8581CB #AA81CB

triadic

#8581CB #CB8581 #81CB85

tetradic

#8581CB #CB81A2 #C7CB81 #81CBAA

square

#8581CB #CB81A2 #C7CB81 #81CBAA

split-complementary

#8581CB #CBAA81 #A2CB81

monochromatic

#423D94 #5B56B9 #8581CB #AFACDD #D9D8EF

Accessibility & contrast

On white

3.50

#8581CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#8581CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #8581CB

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8581CB	#FFFFFF	#000000	##000000
##8581CB	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A8BCE

Deuteranopia (green-blind)

#6887C9

Tritanopia (blue-blind)

#738F9C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #8581cb;
/* rgb */ color: rgb(133, 129, 203);
/* oklch */ color: oklch(63.7% 0.110 285.3);

Tailwind

colors: {
  custom: {
    50: '#aba5db',
    500: '#8581cb',
    950: '#000000',
  },
}

SCSS

$custom: #8581cb;
$custom-light: #aba5db;
$custom-dark: #000000;

JSON

{
  "hex": "#8581cb",
  "rgb": {
    "r": 133,
    "g": 129,
    "b": 203
  },
  "hsl": {
    "h": 243.243,
    "s": 41.573,
    "l": 65.098
  },
  "oklch": {
    "l": 0.63722,
    "c": 0.10969,
    "h": 285.3
  },
  "luminance": 0.24999
}

Semantic roles & 50–950 ramp

primary

#8581CB

secondary

#DFE0C7

accent

#B531AE

background

#FAFAFD

surface

#F4F4FB

border

#CECED4

text

#100F15

muted

#7F7F83

Preview Lab

Preview with #8581CB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →