#28073B#28073B

#28073B is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.2% C 0.095 H 309.5°. Best body text is #FFFFFF at 17.74:1 contrast (WCAG AA passes).

Color values

HEX	#28073B
RGB	rgb(40, 7, 59)
HSL	hsl(278, 79%, 13%)
HSV	hsv(278, 88%, 23%)
CMYK	cmyk(32.2%, 88.1%, 0%, 76.9%)
CIE-LAB	lab(8.30, 27.06, -25.81)
CIE-LCH	lch(8.30, 37.39, 316.36°)
OKLab	oklab(22.17% 0.0605 -0.0732)
OKLCH	oklch(22.17% 0.095 309.5)
XYZ	xyz(1.7403, 0.9189, 4.2225)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28073B #1A3B07

analogous

#0E073B #28073B #3B0734

triadic

#28073B #3B2807 #073B28

tetradic

#28073B #3B0E07 #1A3B07 #07343B

square

#28073B #3B0E07 #1A3B07 #07343B

split-complementary

#28073B #343B07 #073B0E

monochromatic

#13031B #13031B #28073B #4D0D72 #7214A8

Accessibility & contrast

On white

17.74

#28073B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#28073B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28073B

17.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28073B	#FFFFFF	#000000	##FFFFFF
##28073B	1.00	17.74	1.18	17.74
#FFFFFF	17.74	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173C

Deuteranopia (green-blind)

#00193A

Tritanopia (blue-blind)

#251421

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #28073b;
/* rgb */ color: rgb(40, 7, 59);
/* oklch */ color: oklch(22.2% 0.095 309.5);

Tailwind

colors: {
  custom: {
    50: '#654a71',
    500: '#28073b',
    950: '#000000',
  },
}

SCSS

$custom: #28073b;
$custom-light: #654a71;
$custom-dark: #000000;

JSON

{
  "hex": "#28073b",
  "rgb": {
    "r": 40,
    "g": 7,
    "b": 59
  },
  "hsl": {
    "h": 278.077,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.22165,
    "c": 0.09496,
    "h": 309.5
  },
  "luminance": 0.00919
}

Semantic roles & 50–950 ramp

primary

#28073B

secondary

#437A23

accent

#F5337A

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060108

muted

#7A777B

Preview Lab

Preview with #28073B

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

Preview Lab → · Contrast checker → · Palette generator →