#282D83#282D83

#282D83 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.2% C 0.142 H 273.9°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#282D83
RGB	rgb(40, 45, 131)
HSL	hsl(237, 53%, 34%)
HSV	hsv(237, 69%, 51%)
CMYK	cmyk(69.5%, 65.6%, 0%, 48.6%)
CIE-LAB	lab(23.56, 27.56, -49.02)
CIE-LCH	lch(23.56, 56.23, 299.35°)
OKLab	oklab(35.22% 0.0097 -0.1414)
OKLCH	oklch(35.22% 0.142 273.9)
XYZ	xyz(5.9088, 3.9660, 21.9225)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D83 #837E28

analogous

#285A83 #282D83 #502883

triadic

#282D83 #83282D #2D8328

tetradic

#282D83 #83285A #837E28 #288350

square

#282D83 #83285A #837E28 #288350

split-complementary

#282D83 #835028 #5A8328

monochromatic

#0B0D25 #1A1D54 #282D83 #363DB2 #595FCC

Accessibility & contrast

On white

11.71

#282D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#282D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D83

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D83	#FFFFFF	#000000	##FFFFFF
##282D83	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C86

Deuteranopia (green-blind)

#003481

Tritanopia (blue-blind)

#004353

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282d83;
/* rgb */ color: rgb(40, 45, 131);
/* oklch */ color: oklch(35.2% 0.142 273.9);

Tailwind

colors: {
  custom: {
    50: '#6f66a8',
    500: '#282d83',
    950: '#000000',
  },
}

SCSS

$custom: #282d83;
$custom-light: #6f66a8;
$custom-dark: #000000;

JSON

{
  "hex": "#282d83",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 131
  },
  "hsl": {
    "h": 236.703,
    "s": 53.216,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3522,
    "c": 0.14175,
    "h": 273.9
  },
  "luminance": 0.03967
}

Semantic roles & 50–950 ramp

primary

#282D83

secondary

#B1AC55

accent

#D54BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #282D83

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

Preview Lab → · Contrast checker → · Palette generator →