#280B0F#280B0F

#280B0F is a very dark, muted red. Relative luminance 0.007; OKLCH L 20.0% C 0.049 H 14.2°. Best body text is #FFFFFF at 18.34:1 contrast (WCAG AA passes).

Color values

HEX	#280B0F
RGB	rgb(40, 11, 15)
HSL	hsl(352, 57%, 10%)
HSV	hsv(352, 73%, 16%)
CMYK	cmyk(0%, 72.5%, 62.5%, 84.3%)
CIE-LAB	lab(6.55, 15.25, 3.64)
CIE-LCH	lch(6.55, 15.67, 13.43°)
OKLab	oklab(19.96% 0.0473 0.012)
OKLCH	oklch(19.96% 0.049 14.2)
XYZ	xyz(1.0810, 0.7251, 0.5349)
Luminance	0.0073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B0F #0B2824

analogous

#280B1E #280B0F #28150B

triadic

#280B0F #0F280B #0B0F28

tetradic

#280B0F #1E280B #0B2824 #150B28

square

#280B0F #1E280B #0B2824 #150B28

split-complementary

#280B0F #0B2815 #0B1E28

monochromatic

#180709 #180709 #280B0F #581821 #882533

Accessibility & contrast

On white

18.34

#280B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#280B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B0F

18.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B0F	#FFFFFF	#000000	##FFFFFF
##280B0F	1.00	18.34	1.15	18.34
#FFFFFF	18.34	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11110F

Deuteranopia (green-blind)

#19170E

Tritanopia (blue-blind)

#2C070D

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #280b0f;
/* rgb */ color: rgb(40, 11, 15);
/* oklch */ color: oklch(20.0% 0.049 14.2);

Tailwind

colors: {
  custom: {
    50: '#644b4e',
    500: '#280b0f',
    950: '#000000',
  },
}

SCSS

$custom: #280b0f;
$custom-light: #644b4e;
$custom-dark: #000000;

JSON

{
  "hex": "#280b0f",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 15
  },
  "hsl": {
    "h": 351.724,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.19963,
    "c": 0.04877,
    "h": 14.2
  },
  "luminance": 0.00725
}

Semantic roles & 50–950 ramp

primary

#280B0F

secondary

#2B645C

accent

#E0CB48

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280B0F

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

Preview Lab → · Contrast checker → · Palette generator →