#280B3A#280B3A

#280B3A is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.6% C 0.088 H 309.3°. Best body text is #FFFFFF at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#280B3A
RGB	rgb(40, 11, 58)
HSL	hsl(277, 68%, 14%)
HSV	hsv(277, 81%, 23%)
CMYK	cmyk(31%, 81%, 0%, 77.3%)
CIE-LAB	lab(8.96, 24.66, -24.01)
CIE-LCH	lch(8.96, 34.42, 315.76°)
OKLab	oklab(22.61% 0.0556 -0.068)
OKLCH	oklch(22.61% 0.088 309.3)
XYZ	xyz(1.7583, 0.9960, 4.1018)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B3A #1D3A0B

analogous

#100B3A #280B3A #3A0B34

triadic

#280B3A #3A280B #0B3A28

tetradic

#280B3A #3A100B #1D3A0B #0B343A

square

#280B3A #3A100B #1D3A0B #0B343A

split-complementary

#280B3A #343A0B #0B3A10

monochromatic

#12051A #12051A #280B3A #4B156D #6F1FA1

Accessibility & contrast

On white

17.51

#280B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#280B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B3A

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B3A	#FFFFFF	#000000	##FFFFFF
##280B3A	1.00	17.51	1.20	17.51
#FFFFFF	17.51	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183B

Deuteranopia (green-blind)

#031A39

Tritanopia (blue-blind)

#251521

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #280b3a;
/* rgb */ color: rgb(40, 11, 58);
/* oklch */ color: oklch(22.6% 0.088 309.3);

Tailwind

colors: {
  custom: {
    50: '#644d70',
    500: '#280b3a',
    950: '#000000',
  },
}

SCSS

$custom: #280b3a;
$custom-light: #644d70;
$custom-dark: #000000;

JSON

{
  "hex": "#280b3a",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 58
  },
  "hsl": {
    "h": 277.021,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.22605,
    "c": 0.08784,
    "h": 309.3
  },
  "luminance": 0.00996
}

Semantic roles & 50–950 ramp

primary

#280B3A

secondary

#47772A

accent

#EB3D80

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #280B3A

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

Preview Lab → · Contrast checker → · Palette generator →