#28158F#28158F

#28158F is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.0% C 0.182 H 276.8°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#28158F
RGB	rgb(40, 21, 143)
HSL	hsl(249, 74%, 32%)
HSV	hsv(249, 85%, 56%)
CMYK	cmyk(72%, 85.3%, 0%, 43.9%)
CIE-LAB	lab(19.92, 45.34, -62.51)
CIE-LCH	lch(19.92, 77.22, 305.95°)
OKLab	oklab(33.01% 0.0214 -0.1806)
OKLCH	oklch(33.01% 0.182 276.8)
XYZ	xyz(6.0995, 2.9700, 26.2331)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28158F #7C8F15

analogous

#153F8F #28158F #65158F

triadic

#28158F #8F2815 #158F28

tetradic

#28158F #8F153F #7C8F15 #158F65

square

#28158F #8F153F #7C8F15 #158F65

split-complementary

#28158F #8F6515 #3F8F15

monochromatic

#0A0524 #190D5A #28158F #371DC4 #563CE2

Accessibility & contrast

On white

13.17

#28158F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#28158F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28158F

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28158F	#FFFFFF	#000000	##FFFFFF
##28158F	1.00	13.17	1.59	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#002B8D

Tritanopia (blue-blind)

#003C54

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #28158f;
/* rgb */ color: rgb(40, 21, 143);
/* oklch */ color: oklch(33.0% 0.182 276.8);

Tailwind

colors: {
  custom: {
    50: '#7458b1',
    500: '#28158f',
    950: '#000000',
  },
}

SCSS

$custom: #28158f;
$custom-light: #7458b1;
$custom-dark: #000000;

JSON

{
  "hex": "#28158f",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 143
  },
  "hsl": {
    "h": 249.344,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33014,
    "c": 0.18188,
    "h": 276.8
  },
  "luminance": 0.02971
}

Semantic roles & 50–950 ramp

primary

#28158F

secondary

#ADC23E

accent

#F137D4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0311

muted

#7C7880

Preview Lab

Preview with #28158F

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

Preview Lab → · Contrast checker → · Palette generator →