#282F66#282F66

#282F66 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.1% C 0.096 H 274.5°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#282F66
RGB	rgb(40, 47, 102)
HSL	hsl(233, 44%, 28%)
HSV	hsv(233, 61%, 40%)
CMYK	cmyk(60.8%, 53.9%, 0%, 60%)
CIE-LAB	lab(21.74, 15.35, -33.43)
CIE-LCH	lch(21.74, 36.79, 294.66°)
OKLab	oklab(33.12% 0.0075 -0.0956)
OKLCH	oklch(33.12% 0.096 274.5)
XYZ	xyz(4.2891, 3.4431, 13.0064)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F66 #665F28

analogous

#284E66 #282F66 #402866

triadic

#282F66 #66282F #2F6628

tetradic

#282F66 #66284E #665F28 #286640

square

#282F66 #66284E #665F28 #286640

split-complementary

#282F66 #664028 #4E6628

monochromatic

#090A16 #171B3A #282F66 #394392 #4F5BBA

Accessibility & contrast

On white

12.44

#282F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#282F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F66

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F66	#FFFFFF	#000000	##FFFFFF
##282F66	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)

#123768

Deuteranopia (green-blind)

#063265

Tritanopia (blue-blind)

#023B45

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #282f66;
/* rgb */ color: rgb(40, 47, 102);
/* oklch */ color: oklch(33.1% 0.096 274.5);

Tailwind

colors: {
  custom: {
    50: '#686792',
    500: '#282f66',
    950: '#000000',
  },
}

SCSS

$custom: #282f66;
$custom-light: #686792;
$custom-dark: #000000;

JSON

{
  "hex": "#282f66",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 102
  },
  "hsl": {
    "h": 233.226,
    "s": 43.662,
    "l": 27.843
  },
  "oklch": {
    "l": 0.33122,
    "c": 0.09589,
    "h": 274.5
  },
  "luminance": 0.03443
}

Semantic roles & 50–950 ramp

primary

#282F66

secondary

#999151

accent

#C554D3

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #282F66

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

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