#281F4E#281F4E

#281F4E is a dark, moderate violet. Relative luminance 0.020; OKLCH L 27.8% C 0.083 H 288.6°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#281F4E
RGB	rgb(40, 31, 78)
HSL	hsl(251, 43%, 21%)
HSV	hsv(251, 60%, 31%)
CMYK	cmyk(48.7%, 60.3%, 0%, 69.4%)
CIE-LAB	lab(15.39, 18.02, -27.66)
CIE-LCH	lch(15.39, 33.02, 303.08°)
OKLab	oklab(27.8% 0.0265 -0.0788)
OKLCH	oklch(27.8% 0.083 288.6)
XYZ	xyz(2.7398, 1.9810, 7.4443)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.47

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F4E #454E1F

analogous

#1F2E4E #281F4E #401F4E

triadic

#281F4E #4E281F #1F4E28

tetradic

#281F4E #4E1F2E #454E1F #1F4E40

square

#281F4E #4E1F2E #454E1F #1F4E40

split-complementary

#281F4E #4E401F #2E4E1F

monochromatic

#0B0916 #120E22 #281F4E #3E307A #5542A6

Accessibility & contrast

On white

15.04

#281F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#281F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F4E

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F4E	#FFFFFF	#000000	##FFFFFF
##281F4E	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072850

Deuteranopia (green-blind)

#07254D

Tritanopia (blue-blind)

#1D2933

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #281f4e;
/* rgb */ color: rgb(40, 31, 78);
/* oklch */ color: oklch(27.8% 0.083 288.6);

Tailwind

colors: {
  custom: {
    50: '#655b80',
    500: '#281f4e',
    950: '#000000',
  },
}

SCSS

$custom: #281f4e;
$custom-light: #655b80;
$custom-dark: #000000;

JSON

{
  "hex": "#281f4e",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 78
  },
  "hsl": {
    "h": 251.489,
    "s": 43.119,
    "l": 21.373
  },
  "oklch": {
    "l": 0.278,
    "c": 0.08311,
    "h": 288.6
  },
  "luminance": 0.01981
}

Semantic roles & 50–950 ramp

primary

#281F4E

secondary

#778346

accent

#D355BB

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#06040A

muted

#7A797C

Preview Lab

Preview with #281F4E

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

Preview Lab → · Contrast checker → · Palette generator →