#28158C#28158C

#28158C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.7% C 0.178 H 277.2°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#28158C
RGB	rgb(40, 21, 140)
HSL	hsl(250, 74%, 32%)
HSV	hsv(250, 85%, 55%)
CMYK	cmyk(71.4%, 85%, 0%, 45.1%)
CIE-LAB	lab(19.56, 44.43, -61.25)
CIE-LCH	lch(19.56, 75.66, 305.96°)
OKLab	oklab(32.66% 0.0223 -0.1769)
OKLCH	oklch(32.66% 0.178 277.2)
XYZ	xyz(5.8753, 2.8804, 25.0522)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28158C #798C15

analogous

#153E8C #28158C #64158C

triadic

#28158C #8C2815 #158C28

tetradic

#28158C #8C153E #798C15 #158C64

square

#28158C #8C153E #798C15 #158C64

split-complementary

#28158C #8C6415 #3E8C15

monochromatic

#0A0522 #190D57 #28158C #371DC1 #553AE1

Accessibility & contrast

On white

13.32

#28158C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#28158C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28158C

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28158C	#FFFFFF	#000000	##FFFFFF
##28158C	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348F

Deuteranopia (green-blind)

#002A8A

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #28158c;
/* rgb */ color: rgb(40, 21, 140);
/* oklch */ color: oklch(32.7% 0.178 277.2);

Tailwind

colors: {
  custom: {
    50: '#7357af',
    500: '#28158c',
    950: '#000000',
  },
}

SCSS

$custom: #28158c;
$custom-light: #7357af;
$custom-dark: #000000;

JSON

{
  "hex": "#28158c",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 140
  },
  "hsl": {
    "h": 249.58,
    "s": 73.913,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32657,
    "c": 0.17836,
    "h": 277.2
  },
  "luminance": 0.02881
}

Semantic roles & 50–950 ramp

primary

#28158C

secondary

#ABC03D

accent

#F137D3

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #28158C

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

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