#281A66#281A66

#281A66 is a dark, vivid violet. Relative luminance 0.021; OKLCH L 29.1% C 0.126 H 283.8°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#281A66
RGB	rgb(40, 26, 102)
HSL	hsl(251, 59%, 25%)
HSV	hsv(251, 75%, 40%)
CMYK	cmyk(60.8%, 74.5%, 0%, 60%)
CIE-LAB	lab(16.25, 29.56, -42.35)
CIE-LCH	lch(16.25, 51.64, 304.91°)
OKLab	oklab(29.09% 0.03 -0.1219)
OKLCH	oklch(29.09% 0.126 283.8)
XYZ	xyz(3.6420, 2.1490, 12.7907)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A66 #58661A

analogous

#1A3266 #281A66 #4E1A66

triadic

#281A66 #66281A #1A6628

tetradic

#281A66 #661A32 #58661A #1A664E

square

#281A66 #661A32 #58661A #1A664E

split-complementary

#281A66 #664E1A #32661A

monochromatic

#0A0618 #150E35 #281A66 #3B2697 #4E33C8

Accessibility & contrast

On white

14.69

#281A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#281A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A66

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A66	#FFFFFF	#000000	##FFFFFF
##281A66	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B68

Deuteranopia (green-blind)

#002665

Tritanopia (blue-blind)

#072E3E

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #281a66;
/* rgb */ color: rgb(40, 26, 102);
/* oklch */ color: oklch(29.1% 0.126 283.8);

Tailwind

colors: {
  custom: {
    50: '#6a5892',
    500: '#281a66',
    950: '#000000',
  },
}

SCSS

$custom: #281a66;
$custom-light: #6a5892;
$custom-dark: #000000;

JSON

{
  "hex": "#281a66",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 102
  },
  "hsl": {
    "h": 251.053,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.29086,
    "c": 0.12554,
    "h": 283.8
  },
  "luminance": 0.02149
}

Semantic roles & 50–950 ramp

primary

#281A66

secondary

#8B9C40

accent

#E345C6

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #281A66

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

Preview Lab → · Contrast checker → · Palette generator →