#280A39#280A39

#280A39 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.4% C 0.088 H 310.3°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#280A39
RGB	rgb(40, 10, 57)
HSL	hsl(278, 70%, 13%)
HSV	hsv(278, 82%, 22%)
CMYK	cmyk(29.8%, 82.5%, 0%, 77.6%)
CIE-LAB	lab(8.68, 24.92, -23.73)
CIE-LCH	lch(8.68, 34.42, 316.40°)
OKLab	oklab(22.38% 0.057 -0.0672)
OKLCH	oklch(22.38% 0.088 310.3)
XYZ	xyz(1.7220, 0.9636, 3.9654)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280A39 #1B390A

analogous

#100A39 #280A39 #390A32

triadic

#280A39 #39280A #0A3928

tetradic

#280A39 #39100A #1B390A #0A3239

square

#280A39 #39100A #1B390A #0A3239

split-complementary

#280A39 #32390A #0A3910

monochromatic

#12051A #12051A #280A39 #4D136D #711CA1

Accessibility & contrast

On white

17.61

#280A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#280A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280A39

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280A39	#FFFFFF	#000000	##FFFFFF
##280A39	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183A

Deuteranopia (green-blind)

#041938

Tritanopia (blue-blind)

#261420

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #280a39;
/* rgb */ color: rgb(40, 10, 57);
/* oklch */ color: oklch(22.4% 0.088 310.3);

Tailwind

colors: {
  custom: {
    50: '#644c70',
    500: '#280a39',
    950: '#000000',
  },
}

SCSS

$custom: #280a39;
$custom-light: #644c70;
$custom-dark: #000000;

JSON

{
  "hex": "#280a39",
  "rgb": {
    "r": 40,
    "g": 10,
    "b": 57
  },
  "hsl": {
    "h": 278.298,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.22384,
    "c": 0.08811,
    "h": 310.3
  },
  "luminance": 0.00964
}

Semantic roles & 50–950 ramp

primary

#280A39

secondary

#457628

accent

#ED3B7B

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #280A39

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

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