#282C78#282C78

#282C78 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.127 H 275.0°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#282C78
RGB	rgb(40, 44, 120)
HSL	hsl(237, 50%, 31%)
HSV	hsv(237, 67%, 47%)
CMYK	cmyk(66.7%, 63.3%, 0%, 52.9%)
CIE-LAB	lab(22.33, 24.16, -44.06)
CIE-LCH	lch(22.33, 50.25, 298.74°)
OKLab	oklab(34.02% 0.0112 -0.1269)
OKLCH	oklch(34.02% 0.127 275)
XYZ	xyz(5.1648, 3.6081, 18.1899)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C78 #787428

analogous

#285478 #282C78 #4C2878

triadic

#282C78 #78282C #2C7828

tetradic

#282C78 #782854 #787428 #28784C

square

#282C78 #782854 #787428 #28784C

split-complementary

#282C78 #784C28 #547828

monochromatic

#090A1C #191B4A #282C78 #373DA6 #545AC6

Accessibility & contrast

On white

12.20

#282C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#282C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C78

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C78	#FFFFFF	#000000	##FFFFFF
##282C78	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397A

Deuteranopia (green-blind)

#003276

Tritanopia (blue-blind)

#003F4D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #282c78;
/* rgb */ color: rgb(40, 44, 120);
/* oklch */ color: oklch(34.0% 0.127 275.0);

Tailwind

colors: {
  custom: {
    50: '#6c65a0',
    500: '#282c78',
    950: '#000000',
  },
}

SCSS

$custom: #282c78;
$custom-light: #6c65a0;
$custom-dark: #000000;

JSON

{
  "hex": "#282c78",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 120
  },
  "hsl": {
    "h": 237,
    "s": 50,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34016,
    "c": 0.12738,
    "h": 275
  },
  "luminance": 0.03609
}

Semantic roles & 50–950 ramp

primary

#282C78

secondary

#AAA652

accent

#D34EDA

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08050F

muted

#7A7A7E

Preview Lab

Preview with #282C78

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

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