#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
RGBrgb(40, 21, 141)
HSLhsl(250, 74%, 32%)
HSVhsv(250, 85%, 55%)
CMYKcmyk(71.6%, 85.1%, 0%, 44.7%)
CIE-LABlab(19.68, 44.73, -61.67)
CIE-LCHlch(19.68, 76.18, 305.96°)
OKLaboklab(32.78% 0.022 -0.1782)
OKLCHoklch(32.78% 0.18 277)
XYZxyz(5.9494, 2.9100, 25.4423)
Luminance0.0291 (WCAG relative)
Temperaturecool
Familyblue

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
##28158D1.0013.271.5813.27
#FFFFFF13.271.0021.001.00
#0000001.5821.001.0021.00
##FFFFFF13.271.0021.001.00

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 →

#28158D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva