#281D87#281D87

#281D87 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.0% C 0.165 H 277.0°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#281D87
RGB	rgb(40, 29, 135)
HSL	hsl(246, 65%, 32%)
HSV	hsv(246, 79%, 53%)
CMYK	cmyk(70.4%, 78.5%, 0%, 47.1%)
CIE-LAB	lab(20.36, 38.85, -56.79)
CIE-LCH	lch(20.36, 68.81, 304.37°)
OKLab	oklab(33.04% 0.02 -0.1641)
OKLCH	oklch(33.04% 0.165 277)
XYZ	xyz(5.6862, 3.0786, 23.2115)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D87 #7C871D

analogous

#1D4787 #281D87 #5D1D87

triadic

#281D87 #87281D #1D8728

tetradic

#281D87 #871D47 #7C871D #1D875D

square

#281D87 #871D47 #7C871D #1D875D

split-complementary

#281D87 #875D1D #47871D

monochromatic

#0A0722 #191255 #281D87 #3728B9 #5647D7

Accessibility & contrast

On white

13.00

#281D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#281D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D87

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D87	#FFFFFF	#000000	##FFFFFF
##281D87	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358A

Deuteranopia (green-blind)

#002C85

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #281d87;
/* rgb */ color: rgb(40, 29, 135);
/* oklch */ color: oklch(33.0% 0.165 277.0);

Tailwind

colors: {
  custom: {
    50: '#715bab',
    500: '#281d87',
    950: '#000000',
  },
}

SCSS

$custom: #281d87;
$custom-light: #715bab;
$custom-dark: #000000;

JSON

{
  "hex": "#281d87",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 135
  },
  "hsl": {
    "h": 246.226,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33041,
    "c": 0.16534,
    "h": 277
  },
  "luminance": 0.03079
}

Semantic roles & 50–950 ramp

primary

#281D87

secondary

#ADB946

accent

#E840D6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281D87

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

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