#281E88#281E88

#281E88 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.3% C 0.166 H 276.7°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#281E88
RGB	rgb(40, 30, 136)
HSL	hsl(246, 64%, 33%)
HSV	hsv(246, 78%, 53%)
CMYK	cmyk(70.6%, 77.9%, 0%, 46.7%)
CIE-LAB	lab(20.66, 38.62, -56.92)
CIE-LCH	lch(20.66, 68.78, 304.16°)
OKLab	oklab(33.29% 0.0193 -0.1645)
OKLCH	oklch(33.29% 0.166 276.7)
XYZ	xyz(5.7818, 3.1567, 23.5924)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E88 #7E881E

analogous

#1E4988 #281E88 #5D1E88

triadic

#281E88 #88281E #1E8828

tetradic

#281E88 #881E49 #7E881E #1E885D

square

#281E88 #881E49 #7E881E #1E885D

split-complementary

#281E88 #885D1E #49881E

monochromatic

#0B0824 #191356 #281E88 #3729BA #5749D7

Accessibility & contrast

On white

12.87

#281E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#281E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E88

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E88	#FFFFFF	#000000	##FFFFFF
##281E88	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368B

Deuteranopia (green-blind)

#002D86

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #281e88;
/* rgb */ color: rgb(40, 30, 136);
/* oklch */ color: oklch(33.3% 0.166 276.7);

Tailwind

colors: {
  custom: {
    50: '#715cac',
    500: '#281e88',
    950: '#000000',
  },
}

SCSS

$custom: #281e88;
$custom-light: #715cac;
$custom-dark: #000000;

JSON

{
  "hex": "#281e88",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 136
  },
  "hsl": {
    "h": 245.66,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33288,
    "c": 0.16561,
    "h": 276.7
  },
  "luminance": 0.03157
}

Semantic roles & 50–950 ramp

primary

#281E88

secondary

#AFB949

accent

#E741D7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281E88

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

Preview Lab → · Contrast checker → · Palette generator →