#281A68#281A68

#281A68 is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.3% C 0.128 H 283.3°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#281A68
RGB	rgb(40, 26, 104)
HSL	hsl(251, 60%, 25%)
HSV	hsv(251, 75%, 41%)
CMYK	cmyk(61.5%, 75%, 0%, 59.2%)
CIE-LAB	lab(16.45, 30.23, -43.33)
CIE-LCH	lch(16.45, 52.84, 304.90°)
OKLab	oklab(29.29% 0.0296 -0.1248)
OKLCH	oklch(29.29% 0.128 283.3)
XYZ	xyz(3.7424, 2.1891, 13.3194)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A68 #5A681A

analogous

#1A3368 #281A68 #4F1A68

triadic

#281A68 #68281A #1A6828

tetradic

#281A68 #681A33 #5A681A #1A684F

square

#281A68 #681A33 #5A681A #1A684F

split-complementary

#281A68 #684F1A #33681A

monochromatic

#090618 #150E37 #281A68 #3B2699 #4E32CA

Accessibility & contrast

On white

14.61

#281A68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#281A68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A68

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A68	#FFFFFF	#000000	##FFFFFF
##281A68	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6A

Deuteranopia (green-blind)

#002667

Tritanopia (blue-blind)

#042F3F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #281a68;
/* rgb */ color: rgb(40, 26, 104);
/* oklch */ color: oklch(29.3% 0.128 283.3);

Tailwind

colors: {
  custom: {
    50: '#6a5894',
    500: '#281a68',
    950: '#000000',
  },
}

SCSS

$custom: #281a68;
$custom-light: #6a5894;
$custom-dark: #000000;

JSON

{
  "hex": "#281a68",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 104
  },
  "hsl": {
    "h": 250.769,
    "s": 60,
    "l": 25.49
  },
  "oklch": {
    "l": 0.29289,
    "c": 0.12825,
    "h": 283.3
  },
  "luminance": 0.02189
}

Semantic roles & 50–950 ramp

primary

#281A68

secondary

#8D9D40

accent

#E345C7

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #281A68

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

Preview Lab → · Contrast checker → · Palette generator →