#8183BB#8183BB

#8183BB is a light, moderate blue. Relative luminance 0.245; OKLCH L 63.0% C 0.084 H 282.1°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#8183BB
RGB	rgb(129, 131, 187)
HSL	hsl(238, 30%, 62%)
HSV	hsv(238, 31%, 73%)
CMYK	cmyk(31%, 29.9%, 0%, 26.7%)
CIE-LAB	lab(56.57, 12.33, -29.54)
CIE-LCH	lch(56.57, 32.01, 292.66°)
OKLab	oklab(63.02% 0.0176 -0.082)
OKLCH	oklch(63.02% 0.084 282.1)
XYZ	xyz(26.1368, 24.4869, 50.3534)
Luminance	0.2449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8183BB #BBB981

analogous

#81A0BB #8183BB #9C81BB

triadic

#8183BB #BB8183 #83BB81

tetradic

#8183BB #BB81A0 #BBB981 #81BB9C

square

#8183BB #BB81A0 #BBB981 #81BB9C

split-complementary

#8183BB #BB9C81 #A0BB81

monochromatic

#44467E #595CA5 #8183BB #A9AAD0 #D0D1E6

Accessibility & contrast

On white

3.56

#8183BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#8183BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #8183BB

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8183BB	#FFFFFF	#000000	##000000
##8183BB	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738ABD

Deuteranopia (green-blind)

#7086BA

Tritanopia (blue-blind)

#728D97

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #8183bb;
/* rgb */ color: rgb(129, 131, 187);
/* oklch */ color: oklch(63.0% 0.084 282.1);

Tailwind

colors: {
  custom: {
    50: '#a7a7cf',
    500: '#8183bb',
    950: '#000000',
  },
}

SCSS

$custom: #8183bb;
$custom-light: #a7a7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#8183bb",
  "rgb": {
    "r": 129,
    "g": 131,
    "b": 187
  },
  "hsl": {
    "h": 237.931,
    "s": 29.897,
    "l": 61.961
  },
  "oklch": {
    "l": 0.63024,
    "c": 0.08388,
    "h": 282.1
  },
  "luminance": 0.24488
}

Semantic roles & 50–950 ramp

primary

#8183BB

secondary

#D7D6C1

accent

#A53DA9

background

#FAFAFC

surface

#F4F4F9

border

#CECED2

text

#0F0F14

muted

#7F7F82

Preview Lab

Preview with #8183BB

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

Preview Lab → · Contrast checker → · Palette generator →