#28158D#28158D

#28158D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.8% C 0.180 H 277.0°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#28158D
RGB	rgb(40, 21, 141)
HSL	hsl(250, 74%, 32%)
HSV	hsv(250, 85%, 55%)
CMYK	cmyk(71.6%, 85.1%, 0%, 44.7%)
CIE-LAB	lab(19.68, 44.73, -61.67)
CIE-LCH	lch(19.68, 76.18, 305.96°)
OKLab	oklab(32.78% 0.022 -0.1782)
OKLCH	oklch(32.78% 0.18 277)
XYZ	xyz(5.9494, 2.9100, 25.4423)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28158D #7A8D15

analogous

#153E8D #28158D #64158D

triadic

#28158D #8D2815 #158D28

tetradic

#28158D #8D153E #7A8D15 #158D64

square

#28158D #8D153E #7A8D15 #158D64

split-complementary

#28158D #8D6415 #3E8D15

monochromatic

#0A0522 #190D58 #28158D #371DC2 #553BE2

Accessibility & contrast

On white

13.27

#28158D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#28158D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28158D

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28158D	#FFFFFF	#000000	##FFFFFF
##28158D	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#002A8B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #28158d;
/* rgb */ color: rgb(40, 21, 141);
/* oklch */ color: oklch(32.8% 0.180 277.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28158d",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 141
  },
  "hsl": {
    "h": 249.5,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32775,
    "c": 0.17954,
    "h": 277
  },
  "luminance": 0.02911
}

Semantic roles & 50–950 ramp

primary

#28158D

secondary

#ACC13D

accent

#F137D3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #28158D

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

Preview Lab → · Contrast checker → · Palette generator →