#282D87#282D87

#282D87 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.6% C 0.147 H 273.7°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#282D87
RGB	rgb(40, 45, 135)
HSL	hsl(237, 54%, 34%)
HSV	hsv(237, 70%, 53%)
CMYK	cmyk(70.4%, 66.7%, 0%, 47.1%)
CIE-LAB	lab(23.92, 29.03, -50.93)
CIE-LCH	lch(23.92, 58.62, 299.69°)
OKLab	oklab(35.6% 0.0094 -0.147)
OKLCH	oklch(35.6% 0.147 273.7)
XYZ	xyz(6.1852, 4.0766, 23.3779)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D87 #878228

analogous

#285D87 #282D87 #532887

triadic

#282D87 #87282D #2D8728

tetradic

#282D87 #87285D #878228 #288753

square

#282D87 #87285D #878228 #288753

split-complementary

#282D87 #875328 #5D8728

monochromatic

#0C0E29 #1A1D58 #282D87 #363DB6 #5B61CE

Accessibility & contrast

On white

11.57

#282D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#282D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D87

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D87	#FFFFFF	#000000	##FFFFFF
##282D87	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8A

Deuteranopia (green-blind)

#003585

Tritanopia (blue-blind)

#004455

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #282d87;
/* rgb */ color: rgb(40, 45, 135);
/* oklch */ color: oklch(35.6% 0.147 273.7);

Tailwind

colors: {
  custom: {
    50: '#7066ab',
    500: '#282d87',
    950: '#000000',
  },
}

SCSS

$custom: #282d87;
$custom-light: #7066ab;
$custom-dark: #000000;

JSON

{
  "hex": "#282d87",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 135
  },
  "hsl": {
    "h": 236.842,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35599,
    "c": 0.14732,
    "h": 273.7
  },
  "luminance": 0.04077
}

Semantic roles & 50–950 ramp

primary

#282D87

secondary

#B4AF57

accent

#D64ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #282D87

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

Preview Lab → · Contrast checker → · Palette generator →