#280C3B#280C3B

#280C3B is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.8% C 0.088 H 308.2°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#280C3B
RGB	rgb(40, 12, 59)
HSL	hsl(276, 66%, 14%)
HSV	hsv(276, 80%, 23%)
CMYK	cmyk(32.2%, 79.7%, 0%, 76.9%)
CIE-LAB	lab(9.24, 24.39, -24.28)
CIE-LCH	lch(9.24, 34.41, 315.12°)
OKLab	oklab(22.83% 0.0542 -0.0688)
OKLCH	oklch(22.83% 0.088 308.2)
XYZ	xyz(1.7958, 1.0299, 4.2410)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280C3B #1F3B0C

analogous

#110C3B #280C3B #3B0C37

triadic

#280C3B #3B280C #0C3B28

tetradic

#280C3B #3B110C #1F3B0C #0C373B

square

#280C3B #3B110C #1F3B0C #0C373B

split-complementary

#280C3B #373B0C #0C3B11

monochromatic

#110519 #110519 #280C3B #4A166E #6D21A1

Accessibility & contrast

On white

17.41

#280C3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#280C3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280C3B

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280C3B	#FFFFFF	#000000	##FFFFFF
##280C3B	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193C

Deuteranopia (green-blind)

#031A3A

Tritanopia (blue-blind)

#251622

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #280c3b;
/* rgb */ color: rgb(40, 12, 59);
/* oklch */ color: oklch(22.8% 0.088 308.2);

Tailwind

colors: {
  custom: {
    50: '#644d71',
    500: '#280c3b',
    950: '#000000',
  },
}

SCSS

$custom: #280c3b;
$custom-light: #644d71;
$custom-dark: #000000;

JSON

{
  "hex": "#280c3b",
  "rgb": {
    "r": 40,
    "g": 12,
    "b": 59
  },
  "hsl": {
    "h": 275.745,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.22832,
    "c": 0.08756,
    "h": 308.2
  },
  "luminance": 0.0103
}

Semantic roles & 50–950 ramp

primary

#280C3B

secondary

#4A772C

accent

#E93F84

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060108

muted

#7A777B

Preview Lab

Preview with #280C3B

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

Preview Lab → · Contrast checker → · Palette generator →