#28159E#28159E

#28159E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.8% C 0.199 H 274.8°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#28159E
RGB	rgb(40, 21, 158)
HSL	hsl(248, 77%, 35%)
HSV	hsv(248, 87%, 62%)
CMYK	cmyk(74.7%, 86.7%, 0%, 38%)
CIE-LAB	lab(21.78, 49.81, -68.69)
CIE-LCH	lch(21.78, 84.84, 305.95°)
OKLab	oklab(34.82% 0.0166 -0.1985)
OKLCH	oklch(34.82% 0.199 274.8)
XYZ	xyz(7.3128, 3.4553, 32.6227)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28159E #8B9E15

analogous

#15479E #28159E #6C159E

triadic

#28159E #9E2815 #159E28

tetradic

#28159E #9E1547 #8B9E15 #159E6C

square

#28159E #9E1547 #8B9E15 #159E6C

split-complementary

#28159E #9E6C15 #479E15

monochromatic

#0D0732 #1A0E68 #28159E #361CD4 #5D47E7

Accessibility & contrast

On white

12.42

#28159E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#28159E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28159E

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28159E	#FFFFFF	#000000	##FFFFFF
##28159E	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA2

Deuteranopia (green-blind)

#002E9C

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #28159e;
/* rgb */ color: rgb(40, 21, 158);
/* oklch */ color: oklch(34.8% 0.199 274.8);

Tailwind

colors: {
  custom: {
    50: '#7759bc',
    500: '#28159e',
    950: '#000000',
  },
}

SCSS

$custom: #28159e;
$custom-light: #7759bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28159e",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 158
  },
  "hsl": {
    "h": 248.321,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34822,
    "c": 0.19921,
    "h": 274.8
  },
  "luminance": 0.03456
}

Semantic roles & 50–950 ramp

primary

#28159E

secondary

#B6C747

accent

#F335D9

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #28159E

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

Preview Lab → · Contrast checker → · Palette generator →