#281E78#281E78

#281E78 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.145 H 279.1°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#281E78
RGB	rgb(40, 30, 120)
HSL	hsl(247, 60%, 29%)
HSV	hsv(247, 75%, 47%)
CMYK	cmyk(66.7%, 75%, 0%, 52.9%)
CIE-LAB	lab(18.95, 33.24, -49.60)
CIE-LCH	lch(18.95, 59.70, 303.83°)
OKLab	oklab(31.57% 0.0229 -0.1431)
OKLCH	oklch(31.57% 0.145 279.1)
XYZ	xyz(4.7284, 2.7354, 18.0445)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E78 #6E781E

analogous

#1E4178 #281E78 #551E78

triadic

#281E78 #78281E #1E7828

tetradic

#281E78 #781E41 #6E781E #1E7855

square

#281E78 #781E41 #6E781E #1E7855

split-complementary

#281E78 #78551E #41781E

monochromatic

#080618 #181247 #281E78 #382AA9 #5141CF

Accessibility & contrast

On white

13.57

#281E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#281E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E78

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E78	#FFFFFF	#000000	##FFFFFF
##281E78	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317B

Deuteranopia (green-blind)

#002A76

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #281e78;
/* rgb */ color: rgb(40, 30, 120);
/* oklch */ color: oklch(31.6% 0.145 279.1);

Tailwind

colors: {
  custom: {
    50: '#6e5ba0',
    500: '#281e78',
    950: '#000000',
  },
}

SCSS

$custom: #281e78;
$custom-light: #6e5ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#281e78",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 120
  },
  "hsl": {
    "h": 246.667,
    "s": 60,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31566,
    "c": 0.14496,
    "h": 279.1
  },
  "luminance": 0.02736
}

Semantic roles & 50–950 ramp

primary

#281E78

secondary

#A0AC46

accent

#E345D2

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #281E78

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

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