#280B09#280B09

#280B09 is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.8% C 0.049 H 26.5°. Best body text is #FFFFFF at 18.39:1 contrast (WCAG AA passes).

Color values

HEX	#280B09
RGB	rgb(40, 11, 9)
HSL	hsl(4, 63%, 10%)
HSV	hsv(4, 78%, 16%)
CMYK	cmyk(0%, 72.5%, 77.5%, 84.3%)
CIE-LAB	lab(6.42, 14.53, 6.19)
CIE-LCH	lch(6.42, 15.79, 23.08°)
OKLab	oklab(19.8% 0.0442 0.0221)
OKLCH	oklch(19.8% 0.049 26.5)
XYZ	xyz(1.0441, 0.7103, 0.3405)
Luminance	0.0071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B09 #092628

analogous

#280917 #280B09 #281B09

triadic

#280B09 #09280B #0B0928

tetradic

#280B09 #172809 #092628 #1B0928

square

#280B09 #172809 #092628 #1B0928

split-complementary

#280B09 #09281B #091728

monochromatic

#190706 #190706 #280B09 #5A1914 #8C261F

Accessibility & contrast

On white

18.39

#280B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#280B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B09

18.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B09	#FFFFFF	#000000	##FFFFFF
##280B09	1.00	18.39	1.14	18.39
#FFFFFF	18.39	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121009

Deuteranopia (green-blind)

#1A1708

Tritanopia (blue-blind)

#2D060B

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #280b09;
/* rgb */ color: rgb(40, 11, 9);
/* oklch */ color: oklch(19.8% 0.049 26.5);

Tailwind

colors: {
  custom: {
    50: '#644b4b',
    500: '#280b09',
    950: '#000000',
  },
}

SCSS

$custom: #280b09;
$custom-light: #644b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#280b09",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 9
  },
  "hsl": {
    "h": 3.871,
    "s": 63.265,
    "l": 9.608
  },
  "oklch": {
    "l": 0.19798,
    "c": 0.04936,
    "h": 26.5
  },
  "luminance": 0.0071
}

Semantic roles & 50–950 ramp

primary

#280B09

secondary

#276266

accent

#DCE641

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280B09

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

Preview Lab → · Contrast checker → · Palette generator →