#280B3C#280B3C

#280B3C is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.8% C 0.090 H 307.7°. Best body text is #FFFFFF at 17.45:1 contrast (WCAG AA passes).

Color values

HEX	#280B3C
RGB	rgb(40, 11, 60)
HSL	hsl(276, 69%, 14%)
HSV	hsv(276, 82%, 24%)
CMYK	cmyk(33.3%, 81.7%, 0%, 76.5%)
CIE-LAB	lab(9.13, 25.21, -25.17)
CIE-LCH	lch(9.13, 35.63, 315.04°)
OKLab	oklab(22.78% 0.0553 -0.0714)
OKLCH	oklch(22.78% 0.09 307.7)
XYZ	xyz(1.8102, 1.0167, 4.3750)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B3C #1F3C0B

analogous

#100B3C #280B3C #3C0B38

triadic

#280B3C #3C280B #0B3C28

tetradic

#280B3C #3C100B #1F3C0B #0B383C

square

#280B3C #3C100B #1F3C0B #0B383C

split-complementary

#280B3C #383C0B #0B3C10

monochromatic

#11051A #11051A #280B3C #4A1470 #6D1EA3

Accessibility & contrast

On white

17.45

#280B3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#280B3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B3C

17.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B3C	#FFFFFF	#000000	##FFFFFF
##280B3C	1.00	17.45	1.20	17.45
#FFFFFF	17.45	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193D

Deuteranopia (green-blind)

#011A3B

Tritanopia (blue-blind)

#251622

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #280b3c;
/* rgb */ color: rgb(40, 11, 60);
/* oklch */ color: oklch(22.8% 0.090 307.7);

Tailwind

colors: {
  custom: {
    50: '#644d72',
    500: '#280b3c',
    950: '#000000',
  },
}

SCSS

$custom: #280b3c;
$custom-light: #644d72;
$custom-dark: #000000;

JSON

{
  "hex": "#280b3c",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 60
  },
  "hsl": {
    "h": 275.51,
    "s": 69.014,
    "l": 13.922
  },
  "oklch": {
    "l": 0.22782,
    "c": 0.0903,
    "h": 307.7
  },
  "luminance": 0.01017
}

Semantic roles & 50–950 ramp

primary

#280B3C

secondary

#4A792A

accent

#EC3C84

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060108

muted

#7A777B

Preview Lab

Preview with #280B3C

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

Preview Lab → · Contrast checker → · Palette generator →