#280C09#280C09

#280C09 is a very dark, muted red. Relative luminance 0.007; OKLCH L 20.0% C 0.048 H 28.3°. Best body text is #FFFFFF at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#280C09
RGB	rgb(40, 12, 9)
HSL	hsl(6, 63%, 10%)
HSV	hsv(6, 78%, 16%)
CMYK	cmyk(0%, 70%, 77.5%, 84.3%)
CIE-LAB	lab(6.63, 14.03, 6.50)
CIE-LCH	lch(6.63, 15.46, 24.88°)
OKLab	oklab(19.98% 0.0422 0.0227)
OKLCH	oklch(19.98% 0.048 28.3)
XYZ	xyz(1.0559, 0.7339, 0.3444)
Luminance	0.0073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280C09 #092528

analogous

#280916 #280C09 #281C09

triadic

#280C09 #09280C #0C0928

tetradic

#280C09 #162809 #092528 #1C0928

square

#280C09 #162809 #092528 #1C0928

split-complementary

#280C09 #09281C #091628

monochromatic

#190706 #190706 #280C09 #5A1B14 #8C2A1F

Accessibility & contrast

On white

18.31

#280C09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#280C09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280C09

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280C09	#FFFFFF	#000000	##FFFFFF
##280C09	1.00	18.31	1.15	18.31
#FFFFFF	18.31	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131109

Deuteranopia (green-blind)

#1A1708

Tritanopia (blue-blind)

#2D070B

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #280c09;
/* rgb */ color: rgb(40, 12, 9);
/* oklch */ color: oklch(20.0% 0.048 28.3);

Tailwind

colors: {
  custom: {
    50: '#634c4b',
    500: '#280c09',
    950: '#000000',
  },
}

SCSS

$custom: #280c09;
$custom-light: #634c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#280c09",
  "rgb": {
    "r": 40,
    "g": 12,
    "b": 9
  },
  "hsl": {
    "h": 5.806,
    "s": 63.265,
    "l": 9.608
  },
  "oklch": {
    "l": 0.19982,
    "c": 0.04791,
    "h": 28.3
  },
  "luminance": 0.00734
}

Semantic roles & 50–950 ramp

primary

#280C09

secondary

#276066

accent

#D6E641

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280C09

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

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