#28279D#28279D

#28279D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.9% C 0.183 H 273.2°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#28279D
RGB	rgb(40, 39, 157)
HSL	hsl(241, 60%, 38%)
HSV	hsv(241, 75%, 62%)
CMYK	cmyk(74.5%, 75.2%, 0%, 38.4%)
CIE-LAB	lab(24.75, 40.55, -63.16)
CIE-LCH	lch(24.75, 75.05, 302.70°)
OKLab	oklab(36.86% 0.0101 -0.1827)
OKLCH	oklch(36.86% 0.183 273.2)
XYZ	xyz(7.6844, 4.3357, 32.3236)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28279D #9C9D27

analogous

#27619D #28279D #63279D

triadic

#28279D #9D2827 #279D28

tetradic

#28279D #9D2761 #9C9D27 #279D63

square

#28279D #9D2761 #9C9D27 #279D63

split-complementary

#28279D #9D6327 #619D27

monochromatic

#0F0F3B #1C1B6C #28279D #3635CD #6666D9

Accessibility & contrast

On white

11.25

#28279D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#28279D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28279D

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28279D	#FFFFFF	#000000	##FFFFFF
##28279D	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A0

Deuteranopia (green-blind)

#00359B

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28279d;
/* rgb */ color: rgb(40, 39, 157);
/* oklch */ color: oklch(36.9% 0.183 273.2);

Tailwind

colors: {
  custom: {
    50: '#7563bb',
    500: '#28279d',
    950: '#000000',
  },
}

SCSS

$custom: #28279d;
$custom-light: #7563bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28279d",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 157
  },
  "hsl": {
    "h": 240.508,
    "s": 60.204,
    "l": 38.431
  },
  "oklch": {
    "l": 0.36858,
    "c": 0.18302,
    "h": 273.2
  },
  "luminance": 0.04336
}

Semantic roles & 50–950 ramp

primary

#28279D

secondary

#BEBF61

accent

#E344E2

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28279D

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

Preview Lab → · Contrast checker → · Palette generator →