#280A3F#280A3F

#280A3F is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.9% C 0.095 H 305.9°. Best body text is #FFFFFF at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#280A3F
RGB	rgb(40, 10, 63)
HSL	hsl(274, 73%, 14%)
HSV	hsv(274, 84%, 25%)
CMYK	cmyk(36.5%, 84.1%, 0%, 75.3%)
CIE-LAB	lab(9.22, 26.55, -27.18)
CIE-LCH	lch(9.22, 38.00, 314.33°)
OKLab	oklab(22.93% 0.0559 -0.0773)
OKLCH	oklch(22.93% 0.095 305.9)
XYZ	xyz(1.8806, 1.0271, 4.8008)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280A3F #213F0A

analogous

#0D0A3F #280A3F #3F0A3C

triadic

#280A3F #3F280A #0A3F28

tetradic

#280A3F #3F0D0A #213F0A #0A3C3F

square

#280A3F #3F0D0A #213F0A #0A3C3F

split-complementary

#280A3F #3C3F0A #0A3F0D

monochromatic

#11041A #11041A #280A3F #4A1274 #6B1BA9

Accessibility & contrast

On white

17.42

#280A3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#280A3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280A3F

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280A3F	#FFFFFF	#000000	##FFFFFF
##280A3F	1.00	17.42	1.21	17.42
#FFFFFF	17.42	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001941

Deuteranopia (green-blind)

#001A3E

Tritanopia (blue-blind)

#241724

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #280a3f;
/* rgb */ color: rgb(40, 10, 63);
/* oklch */ color: oklch(22.9% 0.095 305.9);

Tailwind

colors: {
  custom: {
    50: '#654c74',
    500: '#280a3f',
    950: '#000000',
  },
}

SCSS

$custom: #280a3f;
$custom-light: #654c74;
$custom-dark: #000000;

JSON

{
  "hex": "#280a3f",
  "rgb": {
    "r": 40,
    "g": 10,
    "b": 63
  },
  "hsl": {
    "h": 273.962,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.22927,
    "c": 0.09536,
    "h": 305.9
  },
  "luminance": 0.01027
}

Semantic roles & 50–950 ramp

primary

#280A3F

secondary

#4D7C29

accent

#EF3888

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#060108

muted

#7A777B

Preview Lab

Preview with #280A3F

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

Preview Lab → · Contrast checker → · Palette generator →