#281883#281883

#281883 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.165 H 278.3°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#281883
RGB	rgb(40, 24, 131)
HSL	hsl(249, 69%, 30%)
HSV	hsv(249, 82%, 51%)
CMYK	cmyk(69.5%, 81.7%, 0%, 48.6%)
CIE-LAB	lab(18.98, 40.20, -56.54)
CIE-LCH	lch(18.98, 69.38, 305.41°)
OKLab	oklab(31.95% 0.0238 -0.1633)
OKLCH	oklch(31.95% 0.165 278.3)
XYZ	xyz(5.2971, 2.7426, 21.7186)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281883 #738318

analogous

#183D83 #281883 #5D1883

triadic

#281883 #832818 #188328

tetradic

#281883 #83183D #738318 #18835D

square

#281883 #83183D #738318 #18835D

split-complementary

#281883 #835D18 #3D8318

monochromatic

#08051C #180F4F #281883 #3821B7 #523ADB

Accessibility & contrast

On white

13.56

#281883 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#281883 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281883

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281883	#FFFFFF	#000000	##FFFFFF
##281883	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003286

Deuteranopia (green-blind)

#002A81

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #281883;
/* rgb */ color: rgb(40, 24, 131);
/* oklch */ color: oklch(31.9% 0.165 278.3);

Tailwind

colors: {
  custom: {
    50: '#7158a8',
    500: '#281883',
    950: '#000000',
  },
}

SCSS

$custom: #281883;
$custom-light: #7158a8;
$custom-dark: #000000;

JSON

{
  "hex": "#281883",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 131
  },
  "hsl": {
    "h": 248.972,
    "s": 69.032,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31947,
    "c": 0.16505,
    "h": 278.3
  },
  "luminance": 0.02743
}

Semantic roles & 50–950 ramp

primary

#281883

secondary

#A5B740

accent

#EC3CD2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #281883

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

Preview Lab → · Contrast checker → · Palette generator →