#280B3E#280B3E

#280B3E is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.0% C 0.093 H 306.3°. Best body text is #FFFFFF at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#280B3E
RGB	rgb(40, 11, 62)
HSL	hsl(274, 70%, 14%)
HSV	hsv(274, 82%, 24%)
CMYK	cmyk(35.5%, 82.3%, 0%, 75.7%)
CIE-LAB	lab(9.31, 25.76, -26.32)
CIE-LCH	lch(9.31, 36.83, 314.38°)
OKLab	oklab(22.96% 0.0549 -0.0748)
OKLCH	oklch(22.96% 0.093 306.3)
XYZ	xyz(1.8641, 1.0383, 4.6587)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B3E #213E0B

analogous

#0F0B3E #280B3E #3E0B3B

triadic

#280B3E #3E280B #0B3E28

tetradic

#280B3E #3E0F0B #213E0B #0B3B3E

square

#280B3E #3E0F0B #213E0B #0B3B3E

split-complementary

#280B3E #3B3E0B #0B3E0F

monochromatic

#11051A #11051A #280B3E #4A1472 #6B1DA6

Accessibility & contrast

On white

17.39

#280B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#280B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B3E

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B3E	#FFFFFF	#000000	##FFFFFF
##280B3E	1.00	17.39	1.21	17.39
#FFFFFF	17.39	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193F

Deuteranopia (green-blind)

#001A3D

Tritanopia (blue-blind)

#241723

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #280b3e;
/* rgb */ color: rgb(40, 11, 62);
/* oklch */ color: oklch(23.0% 0.093 306.3);

Tailwind

colors: {
  custom: {
    50: '#654d74',
    500: '#280b3e',
    950: '#000000',
  },
}

SCSS

$custom: #280b3e;
$custom-light: #654d74;
$custom-dark: #000000;

JSON

{
  "hex": "#280b3e",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 62
  },
  "hsl": {
    "h": 274.118,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.22963,
    "c": 0.09276,
    "h": 306.3
  },
  "luminance": 0.01038
}

Semantic roles & 50–950 ramp

primary

#280B3E

secondary

#4D7B2A

accent

#ED3B88

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#060108

muted

#7A777B

Preview Lab

Preview with #280B3E

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

Preview Lab → · Contrast checker → · Palette generator →