#282E83#282E83

#282E83 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.140 H 273.6°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#282E83
RGB	rgb(40, 46, 131)
HSL	hsl(236, 53%, 34%)
HSV	hsv(236, 69%, 51%)
CMYK	cmyk(69.5%, 64.9%, 0%, 48.6%)
CIE-LAB	lab(23.81, 26.89, -48.60)
CIE-LCH	lch(23.81, 55.54, 298.96°)
OKLab	oklab(35.41% 0.0089 -0.1402)
OKLCH	oklch(35.41% 0.14 273.6)
XYZ	xyz(5.9474, 4.0433, 21.9353)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282E83 #837D28

analogous

#285B83 #282E83 #4F2883

triadic

#282E83 #83282E #2E8328

tetradic

#282E83 #83285B #837D28 #28834F

square

#282E83 #83285B #837D28 #28834F

split-complementary

#282E83 #834F28 #5B8328

monochromatic

#0B0D25 #1A1E54 #282E83 #363EB2 #5961CC

Accessibility & contrast

On white

11.61

#282E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#282E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282E83

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282E83	#FFFFFF	#000000	##FFFFFF
##282E83	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#003581

Tritanopia (blue-blind)

#004454

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #282e83;
/* rgb */ color: rgb(40, 46, 131);
/* oklch */ color: oklch(35.4% 0.140 273.6);

Tailwind

colors: {
  custom: {
    50: '#6f66a8',
    500: '#282e83',
    950: '#000000',
  },
}

SCSS

$custom: #282e83;
$custom-light: #6f66a8;
$custom-dark: #000000;

JSON

{
  "hex": "#282e83",
  "rgb": {
    "r": 40,
    "g": 46,
    "b": 131
  },
  "hsl": {
    "h": 236.044,
    "s": 53.216,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35407,
    "c": 0.14047,
    "h": 273.6
  },
  "luminance": 0.04044
}

Semantic roles & 50–950 ramp

primary

#282E83

secondary

#B1AB55

accent

#D34BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #282E83

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

Preview Lab → · Contrast checker → · Palette generator →