#28168D#28168D

#28168D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.9% C 0.179 H 277.0°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#28168D
RGB	rgb(40, 22, 141)
HSL	hsl(249, 73%, 32%)
HSV	hsv(249, 84%, 55%)
CMYK	cmyk(71.6%, 84.4%, 0%, 44.7%)
CIE-LAB	lab(19.83, 44.28, -61.42)
CIE-LCH	lch(19.83, 75.72, 305.79°)
OKLab	oklab(32.88% 0.0216 -0.1775)
OKLCH	oklch(32.88% 0.179 277)
XYZ	xyz(5.9681, 2.9475, 25.4485)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28168D #7B8D16

analogous

#163F8D #28168D #64168D

triadic

#28168D #8D2816 #168D28

tetradic

#28168D #8D163F #7B8D16 #168D64

square

#28168D #8D163F #7B8D16 #168D64

split-complementary

#28168D #8D6416 #3F8D16

monochromatic

#0A0523 #190E58 #28168D #371EC2 #563DE1

Accessibility & contrast

On white

13.21

#28168D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#28168D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28168D

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28168D	#FFFFFF	#000000	##FFFFFF
##28168D	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003590

Deuteranopia (green-blind)

#002B8B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #28168d;
/* rgb */ color: rgb(40, 22, 141);
/* oklch */ color: oklch(32.9% 0.179 277.0);

Tailwind

colors: {
  custom: {
    50: '#7358b0',
    500: '#28168d',
    950: '#000000',
  },
}

SCSS

$custom: #28168d;
$custom-light: #7358b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28168d",
  "rgb": {
    "r": 40,
    "g": 22,
    "b": 141
  },
  "hsl": {
    "h": 249.076,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3288,
    "c": 0.17877,
    "h": 277
  },
  "luminance": 0.02948
}

Semantic roles & 50–950 ramp

primary

#28168D

secondary

#ADC13E

accent

#F038D4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #28168D

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

Preview Lab → · Contrast checker → · Palette generator →