#28183A#28183A

#28183A is a very dark, moderate violet. Relative luminance 0.014; OKLCH L 24.8% C 0.065 H 303.8°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#28183A
RGB	rgb(40, 24, 58)
HSL	hsl(268, 41%, 16%)
HSV	hsv(268, 59%, 23%)
CMYK	cmyk(31%, 58.6%, 0%, 77.3%)
CIE-LAB	lab(12.02, 16.45, -19.10)
CIE-LCH	lch(12.02, 25.21, 310.72°)
OKLab	oklab(24.84% 0.0359 -0.0537)
OKLCH	oklch(24.84% 0.065 303.8)
XYZ	xyz(1.9653, 1.4099, 4.1708)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28183A #2A3A18

analogous

#18193A #28183A #39183A

triadic

#28183A #3A2818 #183A28

tetradic

#28183A #3A1819 #2A3A18 #183A39

square

#28183A #3A1819 #2A3A18 #183A39

split-complementary

#28183A #3A3918 #193A18

monochromatic

#0F0916 #0F0916 #28183A #462A65 #643C91

Accessibility & contrast

On white

16.38

#28183A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#28183A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28183A

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28183A	#FFFFFF	#000000	##FFFFFF
##28183A	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D1F3B

Deuteranopia (green-blind)

#122039

Tritanopia (blue-blind)

#251E26

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #28183a;
/* rgb */ color: rgb(40, 24, 58);
/* oklch */ color: oklch(24.8% 0.065 303.8);

Tailwind

colors: {
  custom: {
    50: '#635570',
    500: '#28183a',
    950: '#000000',
  },
}

SCSS

$custom: #28183a;
$custom-light: #635570;
$custom-dark: #000000;

JSON

{
  "hex": "#28183a",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 58
  },
  "hsl": {
    "h": 268.235,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.24839,
    "c": 0.06457,
    "h": 303.8
  },
  "luminance": 0.0141
}

Semantic roles & 50–950 ramp

primary

#28183A

secondary

#58703E

accent

#D15798

background

#F5F4F6

surface

#EAE8EC

border

#C6C4C7

text

#050307

muted

#79787A

Preview Lab

Preview with #28183A

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

Preview Lab → · Contrast checker → · Palette generator →