#281A5D#281A5D

#281A5D is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.2% C 0.113 H 286.3°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#281A5D
RGB	rgb(40, 26, 93)
HSL	hsl(253, 56%, 23%)
HSV	hsv(253, 72%, 36%)
CMYK	cmyk(57%, 72%, 0%, 63.5%)
CIE-LAB	lab(15.38, 26.51, -37.80)
CIE-LCH	lch(15.38, 46.17, 305.05°)
OKLab	oklab(28.2% 0.0317 -0.1086)
OKLCH	oklch(28.2% 0.113 286.3)
XYZ	xyz(3.2197, 1.9801, 10.5663)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A5D #4F5D1A

analogous

#1A2D5D #281A5D #491A5D

triadic

#281A5D #5D281A #1A5D28

tetradic

#281A5D #5D1A2D #4F5D1A #1A5D49

square

#281A5D #5D1A2D #4F5D1A #1A5D49

split-complementary

#281A5D #5D491A #2D5D1A

monochromatic

#0A0718 #130D2D #281A5D #3D278D #5135BD

Accessibility & contrast

On white

15.04

#281A5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#281A5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A5D

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A5D	#FFFFFF	#000000	##FFFFFF
##281A5D	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)

#00285F

Deuteranopia (green-blind)

#00255C

Tritanopia (blue-blind)

#132B39

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #281a5d;
/* rgb */ color: rgb(40, 26, 93);
/* oklch */ color: oklch(28.2% 0.113 286.3);

Tailwind

colors: {
  custom: {
    50: '#68578c',
    500: '#281a5d',
    950: '#000000',
  },
}

SCSS

$custom: #281a5d;
$custom-light: #68578c;
$custom-dark: #000000;

JSON

{
  "hex": "#281a5d",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 93
  },
  "hsl": {
    "h": 252.537,
    "s": 56.303,
    "l": 23.333
  },
  "oklch": {
    "l": 0.28196,
    "c": 0.11309,
    "h": 286.3
  },
  "luminance": 0.0198
}

Semantic roles & 50–950 ramp

primary

#281A5D

secondary

#829340

accent

#E048C0

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#07030C

muted

#7A787D

Preview Lab

Preview with #281A5D

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

Preview Lab → · Contrast checker → · Palette generator →