#282A8A#282A8A

#282A8A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.4% C 0.155 H 274.2°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#282A8A
RGB	rgb(40, 42, 138)
HSL	hsl(239, 55%, 35%)
HSV	hsv(239, 71%, 54%)
CMYK	cmyk(71%, 69.6%, 0%, 45.9%)
CIE-LAB	lab(23.48, 32.07, -53.53)
CIE-LCH	lch(23.48, 62.41, 300.93°)
OKLab	oklab(35.36% 0.0113 -0.1547)
OKLCH	oklch(35.36% 0.155 274.2)
XYZ	xyz(6.2890, 3.9414, 24.4692)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282A8A #8A8828

analogous

#285B8A #282A8A #57288A

triadic

#282A8A #8A282A #2A8A28

tetradic

#282A8A #8A285B #8A8828 #288A57

square

#282A8A #8A285B #8A8828 #288A57

split-complementary

#282A8A #8A5728 #5B8A28

monochromatic

#0C0D2B #1A1C5B #282A8A #3638B9 #5D5FD0

Accessibility & contrast

On white

11.74

#282A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#282A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282A8A

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282A8A	#FFFFFF	#000000	##FFFFFF
##282A8A	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003388

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282a8a;
/* rgb */ color: rgb(40, 42, 138);
/* oklch */ color: oklch(35.4% 0.155 274.2);

Tailwind

colors: {
  custom: {
    50: '#7164ad',
    500: '#282a8a',
    950: '#000000',
  },
}

SCSS

$custom: #282a8a;
$custom-light: #7164ad;
$custom-dark: #000000;

JSON

{
  "hex": "#282a8a",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 138
  },
  "hsl": {
    "h": 238.776,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35361,
    "c": 0.15507,
    "h": 274.2
  },
  "luminance": 0.03942
}

Semantic roles & 50–950 ramp

primary

#282A8A

secondary

#B5B359

accent

#DB49DE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #282A8A

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

Preview Lab → · Contrast checker → · Palette generator →