#282C73#282C73

#282C73 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.120 H 275.4°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#282C73
RGB	rgb(40, 44, 115)
HSL	hsl(237, 48%, 30%)
HSV	hsv(237, 65%, 45%)
CMYK	cmyk(65.2%, 61.7%, 0%, 54.9%)
CIE-LAB	lab(21.91, 22.30, -41.56)
CIE-LCH	lch(21.91, 47.16, 298.22°)
OKLab	oklab(33.57% 0.0113 -0.1195)
OKLCH	oklch(33.57% 0.12 275.4)
XYZ	xyz(4.8693, 3.4899, 16.6333)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C73 #736F28

analogous

#285173 #282C73 #492873

triadic

#282C73 #73282C #2C7328

tetradic

#282C73 #732851 #736F28 #287349

square

#282C73 #732851 #736F28 #287349

split-complementary

#282C73 #734928 #517328

monochromatic

#080918 #181B46 #282C73 #383DA0 #5258C3

Accessibility & contrast

On white

12.37

#282C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#282C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C73

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C73	#FFFFFF	#000000	##FFFFFF
##282C73	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003875

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#003D4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #282c73;
/* rgb */ color: rgb(40, 44, 115);
/* oklch */ color: oklch(33.6% 0.120 275.4);

Tailwind

colors: {
  custom: {
    50: '#6b659c',
    500: '#282c73',
    950: '#000000',
  },
}

SCSS

$custom: #282c73;
$custom-light: #6b659c;
$custom-dark: #000000;

JSON

{
  "hex": "#282c73",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 115
  },
  "hsl": {
    "h": 236.8,
    "s": 48.387,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33571,
    "c": 0.12005,
    "h": 275.4
  },
  "luminance": 0.0349
}

Semantic roles & 50–950 ramp

primary

#282C73

secondary

#A5A152

accent

#D150D8

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #282C73

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

Preview Lab → · Contrast checker → · Palette generator →