#282B8D#282B8D

#282B8D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.158 H 273.7°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#282B8D
RGB	rgb(40, 43, 141)
HSL	hsl(238, 56%, 35%)
HSV	hsv(238, 72%, 55%)
CMYK	cmyk(71.6%, 69.5%, 0%, 44.7%)
CIE-LAB	lab(24.00, 32.51, -54.53)
CIE-LCH	lch(24.00, 63.49, 300.80°)
OKLab	oklab(35.83% 0.0103 -0.1576)
OKLCH	oklch(35.83% 0.158 273.7)
XYZ	xyz(6.5451, 4.1013, 25.6408)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B8D #8D8A28

analogous

#285D8D #282B8D #57288D

triadic

#282B8D #8D282B #2B8D28

tetradic

#282B8D #8D285D #8D8A28 #288D57

square

#282B8D #8D285D #8D8A28 #288D57

split-complementary

#282B8D #8D5728 #5D8D28

monochromatic

#0D0E2E #1A1C5D #282B8D #363ABD #5E61D1

Accessibility & contrast

On white

11.54

#282B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#282B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B8D

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B8D	#FFFFFF	#000000	##FFFFFF
##282B8D	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #282b8d;
/* rgb */ color: rgb(40, 43, 141);
/* oklch */ color: oklch(35.8% 0.158 273.7);

Tailwind

colors: {
  custom: {
    50: '#7165af',
    500: '#282b8d',
    950: '#000000',
  },
}

SCSS

$custom: #282b8d;
$custom-light: #7165af;
$custom-dark: #000000;

JSON

{
  "hex": "#282b8d",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 141
  },
  "hsl": {
    "h": 238.218,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35831,
    "c": 0.15792,
    "h": 273.7
  },
  "luminance": 0.04102
}

Semantic roles & 50–950 ramp

primary

#282B8D

secondary

#B7B45A

accent

#DB49DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #282B8D

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

Preview Lab → · Contrast checker → · Palette generator →