#28033B#28033B

#28033B is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.6% C 0.101 H 310.6°. Best body text is #FFFFFF at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#28033B
RGB	rgb(40, 3, 59)
HSL	hsl(280, 90%, 12%)
HSV	hsv(280, 95%, 23%)
CMYK	cmyk(32.2%, 94.9%, 0%, 76.9%)
CIE-LAB	lab(7.52, 29.32, -27.08)
CIE-LCH	lch(7.52, 39.91, 317.28°)
OKLab	oklab(21.61% 0.0659 -0.0769)
OKLCH	oklch(21.61% 0.101 310.6)
XYZ	xyz(1.6969, 0.8320, 4.2080)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28033B #163B03

analogous

#0C033B #28033B #3B0332

triadic

#28033B #3B2803 #033B28

tetradic

#28033B #3B0C03 #163B03 #03323B

square

#28033B #3B0C03 #163B03 #03323B

split-complementary

#28033B #323B03 #033B0C

monochromatic

#14011D #14011D #28033B #4F0675 #7709AF

Accessibility & contrast

On white

18.00

#28033B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#28033B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28033B

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28033B	#FFFFFF	#000000	##FFFFFF
##28033B	1.00	18.00	1.17	18.00
#FFFFFF	18.00	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153C

Deuteranopia (green-blind)

#00173A

Tritanopia (blue-blind)

#25111F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #28033b;
/* rgb */ color: rgb(40, 3, 59);
/* oklch */ color: oklch(21.6% 0.101 310.6);

Tailwind

colors: {
  custom: {
    50: '#654871',
    500: '#28033b',
    950: '#000000',
  },
}

SCSS

$custom: #28033b;
$custom-light: #654871;
$custom-dark: #000000;

JSON

{
  "hex": "#28033b",
  "rgb": {
    "r": 40,
    "g": 3,
    "b": 59
  },
  "hsl": {
    "h": 279.643,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21613,
    "c": 0.10128,
    "h": 310.6
  },
  "luminance": 0.00832
}

Semantic roles & 50–950 ramp

primary

#28033B

secondary

#3D7E1C

accent

#FF2971

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060108

muted

#7A777B

Preview Lab

Preview with #28033B

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

Preview Lab → · Contrast checker → · Palette generator →