#281988#281988

#281988 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.170 H 277.4°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#281988
RGB	rgb(40, 25, 136)
HSL	hsl(248, 69%, 32%)
HSV	hsv(248, 82%, 53%)
CMYK	cmyk(70.6%, 81.6%, 0%, 46.7%)
CIE-LAB	lab(19.73, 41.28, -58.45)
CIE-LCH	lch(19.73, 71.56, 305.24°)
OKLab	oklab(32.64% 0.0218 -0.1689)
OKLCH	oklch(32.64% 0.17 277.4)
XYZ	xyz(5.6652, 2.9234, 23.5535)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281988 #798819

analogous

#194288 #281988 #601988

triadic

#281988 #882819 #198828

tetradic

#281988 #881942 #798819 #198860

square

#281988 #881942 #798819 #198860

split-complementary

#281988 #886019 #428819

monochromatic

#0A0621 #190F54 #281988 #3723BC #5540DC

Accessibility & contrast

On white

13.25

#281988 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#281988 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281988

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281988	#FFFFFF	#000000	##FFFFFF
##281988	1.00	13.25	1.58	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348B

Deuteranopia (green-blind)

#002B86

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #281988;
/* rgb */ color: rgb(40, 25, 136);
/* oklch */ color: oklch(32.6% 0.170 277.4);

Tailwind

colors: {
  custom: {
    50: '#7259ac',
    500: '#281988',
    950: '#000000',
  },
}

SCSS

$custom: #281988;
$custom-light: #7259ac;
$custom-dark: #000000;

JSON

{
  "hex": "#281988",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 136
  },
  "hsl": {
    "h": 248.108,
    "s": 68.944,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3264,
    "c": 0.1703,
    "h": 277.4
  },
  "luminance": 0.02924
}

Semantic roles & 50–950 ramp

primary

#281988

secondary

#ABBB41

accent

#EC3CD4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281988

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

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