#282B66#282B66

#282B66 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.3% C 0.102 H 276.9°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#282B66
RGB	rgb(40, 43, 102)
HSL	hsl(237, 44%, 28%)
HSV	hsv(237, 61%, 40%)
CMYK	cmyk(60.8%, 57.8%, 0%, 60%)
CIE-LAB	lab(20.59, 18.17, -35.29)
CIE-LCH	lch(20.59, 39.69, 297.24°)
OKLab	oklab(32.26% 0.0122 -0.1011)
OKLCH	oklch(32.26% 0.102 276.9)
XYZ	xyz(4.1365, 3.1379, 12.9555)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B66 #666328

analogous

#284A66 #282B66 #442866

triadic

#282B66 #66282B #2B6628

tetradic

#282B66 #66284A #666328 #286644

square

#282B66 #66284A #666328 #286644

split-complementary

#282B66 #664428 #4A6628

monochromatic

#090916 #17183A #282B66 #393E92 #4F54BA

Accessibility & contrast

On white

12.90

#282B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#282B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B66

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B66	#FFFFFF	#000000	##FFFFFF
##282B66	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053468

Deuteranopia (green-blind)

#002F65

Tritanopia (blue-blind)

#033944

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #282b66;
/* rgb */ color: rgb(40, 43, 102);
/* oklch */ color: oklch(32.3% 0.102 276.9);

Tailwind

colors: {
  custom: {
    50: '#686492',
    500: '#282b66',
    950: '#000000',
  },
}

SCSS

$custom: #282b66;
$custom-light: #686492;
$custom-dark: #000000;

JSON

{
  "hex": "#282b66",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 102
  },
  "hsl": {
    "h": 237.097,
    "s": 43.662,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32259,
    "c": 0.10182,
    "h": 276.9
  },
  "luminance": 0.03138
}

Semantic roles & 50–950 ramp

primary

#282B66

secondary

#999551

accent

#CD54D3

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#07050D

muted

#7A797E

Preview Lab

Preview with #282B66

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

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