#281A5E#281A5E

#281A5E is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.3% C 0.114 H 286.0°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#281A5E
RGB	rgb(40, 26, 94)
HSL	hsl(252, 57%, 24%)
HSV	hsv(252, 72%, 37%)
CMYK	cmyk(57.4%, 72.3%, 0%, 63.1%)
CIE-LAB	lab(15.48, 26.85, -38.31)
CIE-LCH	lch(15.48, 46.79, 305.02°)
OKLab	oklab(28.29% 0.0315 -0.1101)
OKLCH	oklch(28.29% 0.114 286)
XYZ	xyz(3.2642, 1.9979, 10.8011)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A5E #505E1A

analogous

#1A2E5E #281A5E #4A1A5E

triadic

#281A5E #5E281A #1A5E28

tetradic

#281A5E #5E1A2E #505E1A #1A5E4A

square

#281A5E #5E1A2E #505E1A #1A5E4A

split-complementary

#281A5E #5E4A1A #2E5E1A

monochromatic

#0A0718 #140D2E #281A5E #3C278E #5135BE

Accessibility & contrast

On white

15.00

#281A5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#281A5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A5E

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A5E	#FFFFFF	#000000	##FFFFFF
##281A5E	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002860

Deuteranopia (green-blind)

#00255D

Tritanopia (blue-blind)

#122B39

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #281a5e;
/* rgb */ color: rgb(40, 26, 94);
/* oklch */ color: oklch(28.3% 0.114 286.0);

Tailwind

colors: {
  custom: {
    50: '#68578c',
    500: '#281a5e',
    950: '#000000',
  },
}

SCSS

$custom: #281a5e;
$custom-light: #68578c;
$custom-dark: #000000;

JSON

{
  "hex": "#281a5e",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 94
  },
  "hsl": {
    "h": 252.353,
    "s": 56.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.28293,
    "c": 0.11449,
    "h": 286
  },
  "luminance": 0.01998
}

Semantic roles & 50–950 ramp

primary

#281A5E

secondary

#839440

accent

#E048C1

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#07030C

muted

#7A787D

Preview Lab

Preview with #281A5E

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

Preview Lab → · Contrast checker → · Palette generator →