#280C0C#280C0C

#280C0C is a very dark, muted red. Relative luminance 0.007; OKLCH L 20.1% C 0.047 H 22.3°. Best body text is #FFFFFF at 18.29:1 contrast (WCAG AA passes).

Color values

HEX	#280C0C
RGB	rgb(40, 12, 12)
HSL	hsl(0, 54%, 10%)
HSV	hsv(0, 70%, 16%)
CMYK	cmyk(0%, 70%, 70%, 84.3%)
CIE-LAB	lab(6.69, 14.36, 5.33)
CIE-LCH	lch(6.69, 15.32, 20.35°)
OKLab	oklab(20.06% 0.0437 0.0179)
OKLCH	oklch(20.06% 0.047 22.3)
XYZ	xyz(1.0730, 0.7407, 0.4342)
Luminance	0.0074 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280C0C #0C2828

analogous

#280C1A #280C0C #281A0C

triadic

#280C0C #0C280C #0C0C28

tetradic

#280C0C #1A280C #0C2828 #1A0C28

square

#280C0C #1A280C #0C2828 #1A0C28

split-complementary

#280C0C #0C281A #0C1A28

monochromatic

#180707 #180707 #280C0C #571A1A #862828

Accessibility & contrast

On white

18.29

#280C0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#280C0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280C0C

18.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280C0C	#FFFFFF	#000000	##FFFFFF
##280C0C	1.00	18.29	1.15	18.29
#FFFFFF	18.29	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13110C

Deuteranopia (green-blind)

#1A170B

Tritanopia (blue-blind)

#2C080C

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #280c0c;
/* rgb */ color: rgb(40, 12, 12);
/* oklch */ color: oklch(20.1% 0.047 22.3);

Tailwind

colors: {
  custom: {
    50: '#634c4c',
    500: '#280c0c',
    950: '#000000',
  },
}

SCSS

$custom: #280c0c;
$custom-light: #634c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#280c0c",
  "rgb": {
    "r": 40,
    "g": 12,
    "b": 12
  },
  "hsl": {
    "h": 0,
    "s": 53.846,
    "l": 10.196
  },
  "oklch": {
    "l": 0.20058,
    "c": 0.04726,
    "h": 22.3
  },
  "luminance": 0.00741
}

Semantic roles & 50–950 ramp

primary

#280C0C

secondary

#2D6363

accent

#DDDD4B

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280C0C

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

Preview Lab → · Contrast checker → · Palette generator →