#280A3B#280A3B

#280A3B is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.6% C 0.091 H 308.8°. Best body text is #FFFFFF at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#280A3B
RGB	rgb(40, 10, 59)
HSL	hsl(277, 71%, 14%)
HSV	hsv(277, 83%, 23%)
CMYK	cmyk(32.2%, 83.1%, 0%, 76.9%)
CIE-LAB	lab(8.86, 25.46, -24.90)
CIE-LCH	lch(8.86, 35.61, 315.64°)
OKLab	oklab(22.56% 0.0567 -0.0706)
OKLCH	oklch(22.56% 0.091 308.8)
XYZ	xyz(1.7729, 0.9840, 4.2334)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280A3B #1D3B0A

analogous

#0F0A3B #280A3B #3B0A35

triadic

#280A3B #3B280A #0A3B28

tetradic

#280A3B #3B0F0A #1D3B0A #0A353B

square

#280A3B #3B0F0A #1D3B0A #0A353B

split-complementary

#280A3B #353B0A #0A3B0F

monochromatic

#12041A #12041A #280A3B #4B136F #6F1CA4

Accessibility & contrast

On white

17.55

#280A3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#280A3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280A3B

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280A3B	#FFFFFF	#000000	##FFFFFF
##280A3B	1.00	17.55	1.20	17.55
#FFFFFF	17.55	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183C

Deuteranopia (green-blind)

#011A3A

Tritanopia (blue-blind)

#251521

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #280a3b;
/* rgb */ color: rgb(40, 10, 59);
/* oklch */ color: oklch(22.6% 0.091 308.8);

Tailwind

colors: {
  custom: {
    50: '#644c71',
    500: '#280a3b',
    950: '#000000',
  },
}

SCSS

$custom: #280a3b;
$custom-light: #644c71;
$custom-dark: #000000;

JSON

{
  "hex": "#280a3b",
  "rgb": {
    "r": 40,
    "g": 10,
    "b": 59
  },
  "hsl": {
    "h": 276.735,
    "s": 71.014,
    "l": 13.529
  },
  "oklch": {
    "l": 0.22561,
    "c": 0.09053,
    "h": 308.8
  },
  "luminance": 0.00984
}

Semantic roles & 50–950 ramp

primary

#280A3B

secondary

#477828

accent

#EE3A80

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060108

muted

#7A777B

Preview Lab

Preview with #280A3B

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

Preview Lab → · Contrast checker → · Palette generator →