#28159D#28159D

#28159D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.7% C 0.198 H 274.9°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#28159D
RGB	rgb(40, 21, 157)
HSL	hsl(248, 76%, 35%)
HSV	hsv(248, 87%, 62%)
CMYK	cmyk(74.5%, 86.6%, 0%, 38.4%)
CIE-LAB	lab(21.66, 49.51, -68.28)
CIE-LCH	lch(21.66, 84.34, 305.95°)
OKLab	oklab(34.7% 0.0169 -0.1973)
OKLCH	oklch(34.7% 0.198 274.9)
XYZ	xyz(7.2270, 3.4210, 32.1712)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28159D #8A9D15

analogous

#15469D #28159D #6C159D

triadic

#28159D #9D2815 #159D28

tetradic

#28159D #9D1546 #8A9D15 #159D6C

square

#28159D #9D1546 #8A9D15 #159D6C

split-complementary

#28159D #9D6C15 #469D15

monochromatic

#0C0731 #1A0E67 #28159D #361CD3 #5D46E6

Accessibility & contrast

On white

12.47

#28159D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#28159D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28159D

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28159D	#FFFFFF	#000000	##FFFFFF
##28159D	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA1

Deuteranopia (green-blind)

#002E9B

Tritanopia (blue-blind)

#00425C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #28159d;
/* rgb */ color: rgb(40, 21, 157);
/* oklch */ color: oklch(34.7% 0.198 274.9);

Tailwind

colors: {
  custom: {
    50: '#7759bb',
    500: '#28159d',
    950: '#000000',
  },
}

SCSS

$custom: #28159d;
$custom-light: #7759bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28159d",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 157
  },
  "hsl": {
    "h": 248.382,
    "s": 76.404,
    "l": 34.902
  },
  "oklch": {
    "l": 0.347,
    "c": 0.19807,
    "h": 274.9
  },
  "luminance": 0.03422
}

Semantic roles & 50–950 ramp

primary

#28159D

secondary

#B5C747

accent

#F335D8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #28159D

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

Preview Lab → · Contrast checker → · Palette generator →