#282B73#282B73

#282B73 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.4% C 0.121 H 275.8°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#282B73
RGB	rgb(40, 43, 115)
HSL	hsl(238, 48%, 30%)
HSV	hsv(238, 65%, 45%)
CMYK	cmyk(65.2%, 62.6%, 0%, 54.9%)
CIE-LAB	lab(21.64, 22.99, -41.99)
CIE-LCH	lch(21.64, 47.88, 298.70°)
OKLab	oklab(33.37% 0.0123 -0.1208)
OKLCH	oklch(33.37% 0.121 275.8)
XYZ	xyz(4.8325, 3.4163, 16.6211)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B73 #737028

analogous

#285073 #282B73 #4A2873

triadic

#282B73 #73282B #2B7328

tetradic

#282B73 #732850 #737028 #28734A

square

#282B73 #732850 #737028 #28734A

split-complementary

#282B73 #734A28 #507328

monochromatic

#080918 #181A46 #282B73 #383CA0 #5257C3

Accessibility & contrast

On white

12.47

#282B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#282B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B73

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B73	#FFFFFF	#000000	##FFFFFF
##282B73	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003775

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #282b73;
/* rgb */ color: rgb(40, 43, 115);
/* oklch */ color: oklch(33.4% 0.121 275.8);

Tailwind

colors: {
  custom: {
    50: '#6b649c',
    500: '#282b73',
    950: '#000000',
  },
}

SCSS

$custom: #282b73;
$custom-light: #6b649c;
$custom-dark: #000000;

JSON

{
  "hex": "#282b73",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 115
  },
  "hsl": {
    "h": 237.6,
    "s": 48.387,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33372,
    "c": 0.12144,
    "h": 275.8
  },
  "luminance": 0.03417
}

Semantic roles & 50–950 ramp

primary

#282B73

secondary

#A5A252

accent

#D350D8

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #282B73

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

Preview Lab → · Contrast checker → · Palette generator →