#28168E#28168E

#28168E is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.0% C 0.180 H 276.8°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX#28168E
RGBrgb(40, 22, 142)
HSLhsl(249, 73%, 32%)
HSVhsv(249, 85%, 56%)
CMYKcmyk(71.8%, 84.5%, 0%, 44.3%)
CIE-LABlab(19.95, 44.59, -61.84)
CIE-LCHlch(19.95, 76.24, 305.79°)
OKLaboklab(33% 0.0213 -0.1787)
OKLCHoklch(33% 0.18 276.8)
XYZxyz(6.0429, 2.9774, 25.8422)
Luminance0.0298 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28168E #7C8E16
analogous
#16408E #28168E #64168E
triadic
#28168E #8E2816 #168E28
tetradic
#28168E #8E1640 #7C8E16 #168E64
square
#28168E #8E1640 #7C8E16 #168E64
split-complementary
#28168E #8E6416 #408E16
monochromatic
#0A0624 #190E59 #28168E #371EC3 #563DE1

Accessibility & contrast

On white

13.16
#28168E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.60
#28168E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28168E
13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28168E#FFFFFF#000000##FFFFFF
##28168E1.0013.161.6013.16
#FFFFFF13.161.0021.001.00
#0000001.6021.001.0021.00
##FFFFFF13.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003591
Deuteranopia (green-blind)
#002B8C
Tritanopia (blue-blind)
#003C54
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #28168e;
/* rgb */ color: rgb(40, 22, 142);
/* oklch */ color: oklch(33.0% 0.180 276.8);
Tailwind
colors: {
  custom: {
    50: '#7358b0',
    500: '#28168e',
    950: '#000000',
  },
}
SCSS
$custom: #28168e;
$custom-light: #7358b0;
$custom-dark: #000000;
JSON
{
  "hex": "#28168e",
  "rgb": {
    "r": 40,
    "g": 22,
    "b": 142
  },
  "hsl": {
    "h": 249,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32999,
    "c": 0.17996,
    "h": 276.8
  },
  "luminance": 0.02978
}

Semantic roles & 50–950 ramp

primary
#28168E
secondary
#ADC13F
accent
#F038D4
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#090411
muted
#7B7980

Preview Lab

Preview with #28168E

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

Preview Lab → · Contrast checker → · Palette generator →

#28168E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva