#281C56#281C56

#281C56 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 27.9% C 0.100 H 287.6°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#281C56
RGB	rgb(40, 28, 86)
HSL	hsl(252, 51%, 22%)
HSV	hsv(252, 67%, 34%)
CMYK	cmyk(53.5%, 67.4%, 0%, 66.3%)
CIE-LAB	lab(15.24, 22.82, -33.33)
CIE-LCH	lch(15.24, 40.40, 304.40°)
OKLab	oklab(27.9% 0.0303 -0.0954)
OKLCH	oklch(27.9% 0.1 287.6)
XYZ	xyz(2.9696, 1.9534, 9.0229)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C56 #4A561C

analogous

#1C2D56 #281C56 #451C56

triadic

#281C56 #56281C #1C5628

tetradic

#281C56 #561C2D #4A561C #1C5645

square

#281C56 #561C2D #4A561C #1C5645

split-complementary

#281C56 #56451C #2D561C

monochromatic

#0B0817 #130D28 #281C56 #3D2B84 #533AB2

Accessibility & contrast

On white

15.10

#281C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#281C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C56

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C56	#FFFFFF	#000000	##FFFFFF
##281C56	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002858

Deuteranopia (green-blind)

#002555

Tritanopia (blue-blind)

#182A36

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #281c56;
/* rgb */ color: rgb(40, 28, 86);
/* oklch */ color: oklch(27.9% 0.100 287.6);

Tailwind

colors: {
  custom: {
    50: '#675986',
    500: '#281c56',
    950: '#000000',
  },
}

SCSS

$custom: #281c56;
$custom-light: #675986;
$custom-dark: #000000;

JSON

{
  "hex": "#281c56",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 86
  },
  "hsl": {
    "h": 252.414,
    "s": 50.877,
    "l": 22.353
  },
  "oklch": {
    "l": 0.27897,
    "c": 0.10012,
    "h": 287.6
  },
  "luminance": 0.01954
}

Semantic roles & 50–950 ramp

primary

#281C56

secondary

#7C8C42

accent

#DA4DBD

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#06030B

muted

#7A787C

Preview Lab

Preview with #281C56

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

Preview Lab → · Contrast checker → · Palette generator →