#28103D#28103D

#28103D is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 23.6% C 0.084 H 305.4°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).

Color values

HEX	#28103D
RGB	rgb(40, 16, 61)
HSL	hsl(272, 58%, 15%)
HSV	hsv(272, 74%, 24%)
CMYK	cmyk(34.4%, 73.8%, 0%, 76.1%)
CIE-LAB	lab(10.25, 22.62, -24.08)
CIE-LCH	lch(10.25, 33.04, 313.20°)
OKLab	oklab(23.61% 0.0485 -0.0682)
OKLCH	oklch(23.61% 0.084 305.4)
XYZ	xyz(1.9025, 1.1586, 4.5374)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28103D #253D10

analogous

#11103D #28103D #3D103C

triadic

#28103D #3D2810 #103D28

tetradic

#28103D #3D1110 #253D10 #103C3D

square

#28103D #3D1110 #253D10 #103C3D

split-complementary

#28103D #3C3D10 #103D11

monochromatic

#100618 #100618 #28103D #481D6D #68299E

Accessibility & contrast

On white

17.05

#28103D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#28103D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28103D

17.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28103D	#FFFFFF	#000000	##FFFFFF
##28103D	1.00	17.05	1.23	17.05
#FFFFFF	17.05	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3E

Deuteranopia (green-blind)

#051C3C

Tritanopia (blue-blind)

#241A24

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #28103d;
/* rgb */ color: rgb(40, 16, 61);
/* oklch */ color: oklch(23.6% 0.084 305.4);

Tailwind

colors: {
  custom: {
    50: '#645073',
    500: '#28103d',
    950: '#000000',
  },
}

SCSS

$custom: #28103d;
$custom-light: #645073;
$custom-dark: #000000;

JSON

{
  "hex": "#28103d",
  "rgb": {
    "r": 40,
    "g": 16,
    "b": 61
  },
  "hsl": {
    "h": 272,
    "s": 58.442,
    "l": 15.098
  },
  "oklch": {
    "l": 0.23611,
    "c": 0.08369,
    "h": 305.4
  },
  "luminance": 0.01159
}

Semantic roles & 50–950 ramp

primary

#28103D

secondary

#527732

accent

#E2468F

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#050208

muted

#7A787B

Preview Lab

Preview with #28103D

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

Preview Lab → · Contrast checker → · Palette generator →