#28083B#28083B

#28083B is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.3% C 0.093 H 309.3°. Best body text is #FFFFFF at 17.67:1 contrast (WCAG AA passes).

Color values

HEX	#28083B
RGB	rgb(40, 8, 59)
HSL	hsl(278, 76%, 13%)
HSV	hsv(278, 86%, 23%)
CMYK	cmyk(32.2%, 86.4%, 0%, 76.9%)
CIE-LAB	lab(8.49, 26.51, -25.50)
CIE-LCH	lch(8.49, 36.78, 316.12°)
OKLab	oklab(22.3% 0.0592 -0.0723)
OKLCH	oklch(22.3% 0.093 309.3)
XYZ	xyz(1.7512, 0.9406, 4.2261)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28083B #1B3B08

analogous

#0E083B #28083B #3B0834

triadic

#28083B #3B2808 #083B28

tetradic

#28083B #3B0E08 #1B3B08 #08343B

square

#28083B #3B0E08 #1B3B08 #08343B

split-complementary

#28083B #343B08 #083B0E

monochromatic

#12041B #12041B #28083B #4D0F71 #7117A7

Accessibility & contrast

On white

17.67

#28083B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#28083B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28083B

17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28083B	#FFFFFF	#000000	##FFFFFF
##28083B	1.00	17.67	1.19	17.67
#FFFFFF	17.67	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.67	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: #28083b;
/* rgb */ color: rgb(40, 8, 59);
/* oklch */ color: oklch(22.3% 0.093 309.3);

Tailwind

colors: {
  custom: {
    50: '#654b71',
    500: '#28083b',
    950: '#000000',
  },
}

SCSS

$custom: #28083b;
$custom-light: #654b71;
$custom-dark: #000000;

JSON

{
  "hex": "#28083b",
  "rgb": {
    "r": 40,
    "g": 8,
    "b": 59
  },
  "hsl": {
    "h": 277.647,
    "s": 76.119,
    "l": 13.137
  },
  "oklch": {
    "l": 0.22299,
    "c": 0.09346,
    "h": 309.3
  },
  "luminance": 0.00941
}

Semantic roles & 50–950 ramp

primary

#28083B

secondary

#457A25

accent

#F3357C

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060108

muted

#7A777B

Preview Lab

Preview with #28083B

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

Preview Lab → · Contrast checker → · Palette generator →