#282A8F#282A8F

#282A8F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.9% C 0.162 H 273.8°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#282A8F
RGB	rgb(40, 42, 143)
HSL	hsl(239, 56%, 36%)
HSV	hsv(239, 72%, 56%)
CMYK	cmyk(72%, 70.6%, 0%, 43.9%)
CIE-LAB	lab(23.97, 33.86, -55.84)
CIE-LCH	lch(23.97, 65.30, 301.23°)
OKLab	oklab(35.86% 0.0107 -0.1614)
OKLCH	oklch(35.86% 0.162 273.8)
XYZ	xyz(6.6593, 4.0896, 26.4197)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282A8F #8F8D28

analogous

#285D8F #282A8F #59288F

triadic

#282A8F #8F282A #2A8F28

tetradic

#282A8F #8F285D #8F8D28 #288F59

square

#282A8F #8F285D #8F8D28 #288F59

split-complementary

#282A8F #8F5928 #5D8F28

monochromatic

#0D0E2F #1B1C5F #282A8F #3538BF #5F61D2

Accessibility & contrast

On white

11.55

#282A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#282A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282A8F

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282A8F	#FFFFFF	#000000	##FFFFFF
##282A8F	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #282a8f;
/* rgb */ color: rgb(40, 42, 143);
/* oklch */ color: oklch(35.9% 0.162 273.8);

Tailwind

colors: {
  custom: {
    50: '#7264b1',
    500: '#282a8f',
    950: '#000000',
  },
}

SCSS

$custom: #282a8f;
$custom-light: #7264b1;
$custom-dark: #000000;

JSON

{
  "hex": "#282a8f",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 143
  },
  "hsl": {
    "h": 238.835,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35862,
    "c": 0.16175,
    "h": 273.8
  },
  "luminance": 0.0409
}

Semantic roles & 50–950 ramp

primary

#282A8F

secondary

#B8B65B

accent

#DD48E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #282A8F

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

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