#28319D#28319D

#28319D is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.4% C 0.172 H 271.5°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#28319D
RGB	rgb(40, 49, 157)
HSL	hsl(235, 59%, 39%)
HSV	hsv(235, 75%, 62%)
CMYK	cmyk(74.5%, 68.8%, 0%, 38.4%)
CIE-LAB	lab(26.96, 34.45, -59.51)
CIE-LCH	lch(26.96, 68.76, 300.06°)
OKLab	oklab(38.45% 0.0046 -0.1721)
OKLCH	oklch(38.45% 0.172 271.5)
XYZ	xyz(8.0571, 5.0812, 32.4479)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28319D #9D9428

analogous

#286B9D #28319D #59289D

triadic

#28319D #9D2831 #319D28

tetradic

#28319D #9D286B #9D9428 #289D59

square

#28319D #9D286B #9D9428 #289D59

split-complementary

#28319D #9D5928 #6B9D28

monochromatic

#0F133B #1C226C #28319D #3642CC #6770D8

Accessibility & contrast

On white

10.41

#28319D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#28319D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28319D

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28319D	#FFFFFF	#000000	##FFFFFF
##28319D	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#003A9B

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #28319d;
/* rgb */ color: rgb(40, 49, 157);
/* oklch */ color: oklch(38.4% 0.172 271.5);

Tailwind

colors: {
  custom: {
    50: '#7469bb',
    500: '#28319d',
    950: '#000000',
  },
}

SCSS

$custom: #28319d;
$custom-light: #7469bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28319d",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 157
  },
  "hsl": {
    "h": 235.385,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38446,
    "c": 0.17219,
    "h": 271.5
  },
  "luminance": 0.05082
}

Semantic roles & 50–950 ramp

primary

#28319D

secondary

#BEB762

accent

#D645E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #28319D

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

Preview Lab → · Contrast checker → · Palette generator →