#282A8D#282A8D

#282A8D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.7% C 0.159 H 273.9°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#282A8D
RGB	rgb(40, 42, 141)
HSL	hsl(239, 56%, 35%)
HSV	hsv(239, 72%, 55%)
CMYK	cmyk(71.6%, 70.2%, 0%, 44.7%)
CIE-LAB	lab(23.77, 33.15, -54.92)
CIE-LCH	lch(23.77, 64.15, 301.11°)
OKLab	oklab(35.66% 0.0109 -0.1587)
OKLCH	oklch(35.66% 0.159 273.9)
XYZ	xyz(6.5092, 4.0295, 25.6289)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282A8D #8D8B28

analogous

#285C8D #282A8D #58288D

triadic

#282A8D #8D282A #2A8D28

tetradic

#282A8D #8D285C #8D8B28 #288D58

square

#282A8D #8D285C #8D8B28 #288D58

split-complementary

#282A8D #8D5828 #5C8D28

monochromatic

#0D0E2E #1A1C5D #282A8D #3638BD #5E60D1

Accessibility & contrast

On white

11.63

#282A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#282A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282A8D

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282A8D	#FFFFFF	#000000	##FFFFFF
##282A8D	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #282a8d;
/* rgb */ color: rgb(40, 42, 141);
/* oklch */ color: oklch(35.7% 0.159 273.9);

Tailwind

colors: {
  custom: {
    50: '#7164af',
    500: '#282a8d',
    950: '#000000',
  },
}

SCSS

$custom: #282a8d;
$custom-light: #7164af;
$custom-dark: #000000;

JSON

{
  "hex": "#282a8d",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 141
  },
  "hsl": {
    "h": 238.812,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35661,
    "c": 0.1591,
    "h": 273.9
  },
  "luminance": 0.0403
}

Semantic roles & 50–950 ramp

primary

#282A8D

secondary

#B7B55A

accent

#DC49DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #282A8D

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

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