#282F78#282F78

#282F78 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.123 H 273.9°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#282F78
RGB	rgb(40, 47, 120)
HSL	hsl(235, 50%, 31%)
HSV	hsv(235, 67%, 47%)
CMYK	cmyk(66.7%, 60.8%, 0%, 52.9%)
CIE-LAB	lab(23.13, 22.10, -42.76)
CIE-LCH	lch(23.13, 48.13, 297.34°)
OKLab	oklab(34.61% 0.0083 -0.123)
OKLCH	oklch(34.61% 0.123 273.9)
XYZ	xyz(5.2806, 3.8398, 18.2285)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F78 #787128

analogous

#285778 #282F78 #492878

triadic

#282F78 #78282F #2F7828

tetradic

#282F78 #782857 #787128 #287849

square

#282F78 #782857 #787128 #287849

split-complementary

#282F78 #784928 #577828

monochromatic

#090B1C #191D4A #282F78 #3741A6 #545EC6

Accessibility & contrast

On white

11.88

#282F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#282F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F78

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F78	#FFFFFF	#000000	##FFFFFF
##282F78	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7A

Deuteranopia (green-blind)

#003477

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #282f78;
/* rgb */ color: rgb(40, 47, 120);
/* oklch */ color: oklch(34.6% 0.123 273.9);

Tailwind

colors: {
  custom: {
    50: '#6c67a0',
    500: '#282f78',
    950: '#000000',
  },
}

SCSS

$custom: #282f78;
$custom-light: #6c67a0;
$custom-dark: #000000;

JSON

{
  "hex": "#282f78",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 120
  },
  "hsl": {
    "h": 234.75,
    "s": 50,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34611,
    "c": 0.1233,
    "h": 273.9
  },
  "luminance": 0.0384
}

Semantic roles & 50–950 ramp

primary

#282F78

secondary

#AAA252

accent

#CD4EDA

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #282F78

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

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