#282B74#282B74

#282B74 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.123 H 275.7°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#282B74
RGB	rgb(40, 43, 116)
HSL	hsl(238, 49%, 31%)
HSV	hsv(238, 66%, 45%)
CMYK	cmyk(65.5%, 62.9%, 0%, 54.5%)
CIE-LAB	lab(21.72, 23.36, -42.50)
CIE-LCH	lch(21.72, 48.49, 298.80°)
OKLab	oklab(33.46% 0.0123 -0.1223)
OKLCH	oklch(33.46% 0.123 275.7)
XYZ	xyz(4.8903, 3.4394, 16.9258)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B74 #747128

analogous

#285174 #282B74 #4B2874

triadic

#282B74 #74282B #2B7428

tetradic

#282B74 #742851 #747128 #28744B

square

#282B74 #742851 #747128 #28744B

split-complementary

#282B74 #744B28 #517428

monochromatic

#090919 #181A46 #282B74 #383CA2 #5357C4

Accessibility & contrast

On white

12.44

#282B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#282B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B74

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B74	#FFFFFF	#000000	##FFFFFF
##282B74	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003776

Deuteranopia (green-blind)

#003173

Tritanopia (blue-blind)

#003D4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #282b74;
/* rgb */ color: rgb(40, 43, 116);
/* oklch */ color: oklch(33.5% 0.123 275.7);

Tailwind

colors: {
  custom: {
    50: '#6b649d',
    500: '#282b74',
    950: '#000000',
  },
}

SCSS

$custom: #282b74;
$custom-light: #6b649d;
$custom-dark: #000000;

JSON

{
  "hex": "#282b74",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 116
  },
  "hsl": {
    "h": 237.632,
    "s": 48.718,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33461,
    "c": 0.1229,
    "h": 275.7
  },
  "luminance": 0.0344
}

Semantic roles & 50–950 ramp

primary

#282B74

secondary

#A6A352

accent

#D350D8

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #282B74

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

Preview Lab → · Contrast checker → · Palette generator →