#28103E#28103E

#28103E is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 23.7% C 0.085 H 304.7°. Best body text is #FFFFFF at 17.02:1 contrast (WCAG AA passes).

Color values

HEX	#28103E
RGB	rgb(40, 16, 62)
HSL	hsl(271, 59%, 15%)
HSV	hsv(271, 74%, 24%)
CMYK	cmyk(35.5%, 74.2%, 0%, 75.7%)
CIE-LAB	lab(10.33, 22.91, -24.66)
CIE-LCH	lch(10.33, 33.66, 312.89°)
OKLab	oklab(23.7% 0.0484 -0.0699)
OKLCH	oklch(23.7% 0.085 304.7)
XYZ	xyz(1.9297, 1.1695, 4.6806)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28103E #263E10

analogous

#11103E #28103E #3E103D

triadic

#28103E #3E2810 #103E28

tetradic

#28103E #3E1110 #263E10 #103D3E

square

#28103E #3E1110 #263E10 #103D3E

split-complementary

#28103E #3D3E10 #103E11

monochromatic

#100618 #100618 #28103E #471D6F #67299F

Accessibility & contrast

On white

17.02

#28103E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#28103E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28103E

17.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28103E	#FFFFFF	#000000	##FFFFFF
##28103E	1.00	17.02	1.23	17.02
#FFFFFF	17.02	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3F

Deuteranopia (green-blind)

#041C3D

Tritanopia (blue-blind)

#241A25

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #28103e;
/* rgb */ color: rgb(40, 16, 62);
/* oklch */ color: oklch(23.7% 0.085 304.7);

Tailwind

colors: {
  custom: {
    50: '#645074',
    500: '#28103e',
    950: '#000000',
  },
}

SCSS

$custom: #28103e;
$custom-light: #645074;
$custom-dark: #000000;

JSON

{
  "hex": "#28103e",
  "rgb": {
    "r": 40,
    "g": 16,
    "b": 62
  },
  "hsl": {
    "h": 271.304,
    "s": 58.974,
    "l": 15.294
  },
  "oklch": {
    "l": 0.23696,
    "c": 0.08503,
    "h": 304.7
  },
  "luminance": 0.01169
}

Semantic roles & 50–950 ramp

primary

#28103E

secondary

#537832

accent

#E24690

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#060208

muted

#7A787B

Preview Lab

Preview with #28103E

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

Preview Lab → · Contrast checker → · Palette generator →