#28104B#28104B

#28104B is a very dark, moderate violet. Relative luminance 0.013; OKLCH L 24.9% C 0.102 H 296.8°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#28104B
RGB	rgb(40, 16, 75)
HSL	hsl(264, 65%, 18%)
HSV	hsv(264, 79%, 29%)
CMYK	cmyk(46.7%, 78.7%, 0%, 70.6%)
CIE-LAB	lab(11.48, 26.79, -31.93)
CIE-LCH	lch(11.48, 41.68, 310.00°)
OKLab	oklab(24.88% 0.0462 -0.0913)
OKLCH	oklch(24.88% 0.102 296.8)
XYZ	xyz(2.3300, 1.3297, 6.7891)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28104B #334B10

analogous

#10154B #28104B #45104B

triadic

#28104B #4B2810 #104B28

tetradic

#28104B #4B1015 #334B10 #104B45

square

#28104B #4B1015 #334B10 #104B45

split-complementary

#28104B #4B4510 #154B10

monochromatic

#0D0519 #0D0519 #28104B #431B7D #5E26B0

Accessibility & contrast

On white

16.59

#28104B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#28104B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28104B

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28104B	#FFFFFF	#000000	##FFFFFF
##28104B	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4D

Deuteranopia (green-blind)

#001E4A

Tritanopia (blue-blind)

#1F1F2C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #28104b;
/* rgb */ color: rgb(40, 16, 75);
/* oklch */ color: oklch(24.9% 0.102 296.8);

Tailwind

colors: {
  custom: {
    50: '#66507e',
    500: '#28104b',
    950: '#000000',
  },
}

SCSS

$custom: #28104b;
$custom-light: #66507e;
$custom-dark: #000000;

JSON

{
  "hex": "#28104b",
  "rgb": {
    "r": 40,
    "g": 16,
    "b": 75
  },
  "hsl": {
    "h": 264.407,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24881,
    "c": 0.10231,
    "h": 296.8
  },
  "luminance": 0.0133
}

Semantic roles & 50–950 ramp

primary

#28104B

secondary

#638532

accent

#E840A4

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#06020A

muted

#7A787C

Preview Lab

Preview with #28104B

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

Preview Lab → · Contrast checker → · Palette generator →