#28158E#28158E

#28158E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.9% C 0.181 H 276.9°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#28158E
RGB	rgb(40, 21, 142)
HSL	hsl(249, 74%, 32%)
HSV	hsv(249, 85%, 56%)
CMYK	cmyk(71.8%, 85.2%, 0%, 44.3%)
CIE-LAB	lab(19.80, 45.04, -62.09)
CIE-LCH	lch(19.80, 76.70, 305.95°)
OKLab	oklab(32.89% 0.0217 -0.1794)
OKLCH	oklch(32.89% 0.181 276.9)
XYZ	xyz(6.0241, 2.9399, 25.8359)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28158E #7B8E15

analogous

#153F8E #28158E #64158E

triadic

#28158E #8E2815 #158E28

tetradic

#28158E #8E153F #7B8E15 #158E64

square

#28158E #8E153F #7B8E15 #158E64

split-complementary

#28158E #8E6415 #3F8E15

monochromatic

#0A0523 #190D59 #28158E #371DC3 #563BE2

Accessibility & contrast

On white

13.22

#28158E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#28158E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28158E

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28158E	#FFFFFF	#000000	##FFFFFF
##28158E	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003591

Deuteranopia (green-blind)

#002B8C

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #28158e;
/* rgb */ color: rgb(40, 21, 142);
/* oklch */ color: oklch(32.9% 0.181 276.9);

Tailwind

colors: {
  custom: {
    50: '#7358b0',
    500: '#28158e',
    950: '#000000',
  },
}

SCSS

$custom: #28158e;
$custom-light: #7358b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28158e",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 142
  },
  "hsl": {
    "h": 249.421,
    "s": 74.233,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32894,
    "c": 0.18071,
    "h": 276.9
  },
  "luminance": 0.0294
}

Semantic roles & 50–950 ramp

primary

#28158E

secondary

#ADC23D

accent

#F137D4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #28158E

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

Preview Lab → · Contrast checker → · Palette generator →