#280A0C#280A0C

#280A0C is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.7% C 0.050 H 19.0°. Best body text is #FFFFFF at 18.44:1 contrast (WCAG AA passes).

Color values

HEX	#280A0C
RGB	rgb(40, 10, 12)
HSL	hsl(356, 60%, 10%)
HSV	hsv(356, 75%, 16%)
CMYK	cmyk(0%, 75%, 70%, 84.3%)
CIE-LAB	lab(6.28, 15.34, 4.72)
CIE-LCH	lch(6.28, 16.05, 17.10°)
OKLab	oklab(19.7% 0.0477 0.0164)
OKLCH	oklch(19.7% 0.05 19)
XYZ	xyz(1.0501, 0.6949, 0.4266)
Luminance	0.0069 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280A0C #0A2826

analogous

#280A1B #280A0C #28170A

triadic

#280A0C #0C280A #0A0C28

tetradic

#280A0C #1B280A #0A2826 #170A28

square

#280A0C #1B280A #0A2826 #170A28

split-complementary

#280A0C #0A2817 #0A1B28

monochromatic

#180607 #180607 #280A0C #59161B #8A2229

Accessibility & contrast

On white

18.44

#280A0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#280A0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280A0C

18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280A0C	#FFFFFF	#000000	##FFFFFF
##280A0C	1.00	18.44	1.14	18.44
#FFFFFF	18.44	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11100C

Deuteranopia (green-blind)

#19160B

Tritanopia (blue-blind)

#2D060B

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #280a0c;
/* rgb */ color: rgb(40, 10, 12);
/* oklch */ color: oklch(19.7% 0.050 19.0);

Tailwind

colors: {
  custom: {
    50: '#644b4c',
    500: '#280a0c',
    950: '#000000',
  },
}

SCSS

$custom: #280a0c;
$custom-light: #644b4c;
$custom-dark: #000000;

JSON

{
  "hex": "#280a0c",
  "rgb": {
    "r": 40,
    "g": 10,
    "b": 12
  },
  "hsl": {
    "h": 356,
    "s": 60,
    "l": 9.804
  },
  "oklch": {
    "l": 0.19698,
    "c": 0.05042,
    "h": 19
  },
  "luminance": 0.00695
}

Semantic roles & 50–950 ramp

primary

#280A0C

secondary

#296561

accent

#E3D945

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280A0C

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

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