#280C05#280C05

#280C05 is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.9% C 0.050 H 36.8°. Best body text is #FFFFFF at 18.34:1 contrast (WCAG AA passes).

Color values

HEX	#280C05
RGB	rgb(40, 12, 5)
HSL	hsl(12, 78%, 9%)
HSV	hsv(12, 88%, 16%)
CMYK	cmyk(0%, 70%, 87.5%, 84.3%)
CIE-LAB	lab(6.55, 13.59, 8.02)
CIE-LCH	lch(6.55, 15.78, 30.54°)
OKLab	oklab(19.89% 0.0398 0.0297)
OKLCH	oklch(19.89% 0.05 36.8)
XYZ	xyz(1.0340, 0.7252, 0.2291)
Luminance	0.0073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280C05 #052128

analogous

#280510 #280C05 #281E05

triadic

#280C05 #05280C #0C0528

tetradic

#280C05 #102805 #052128 #1E0528

square

#280C05 #102805 #052128 #1E0528

split-complementary

#280C05 #05281E #051028

monochromatic

#1B0803 #1B0803 #280C05 #5E1C0C #952D13

Accessibility & contrast

On white

18.34

#280C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#280C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280C05

18.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280C05	#FFFFFF	#000000	##FFFFFF
##280C05	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)

#141104

Deuteranopia (green-blind)

#1A1705

Tritanopia (blue-blind)

#2D070A

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #280c05;
/* rgb */ color: rgb(40, 12, 5);
/* oklch */ color: oklch(19.9% 0.050 36.8);

Tailwind

colors: {
  custom: {
    50: '#634c49',
    500: '#280c05',
    950: '#000000',
  },
}

SCSS

$custom: #280c05;
$custom-light: #634c49;
$custom-dark: #000000;

JSON

{
  "hex": "#280c05",
  "rgb": {
    "r": 40,
    "g": 12,
    "b": 5
  },
  "hsl": {
    "h": 12,
    "s": 77.778,
    "l": 8.824
  },
  "oklch": {
    "l": 0.19885,
    "c": 0.04964,
    "h": 36.8
  },
  "luminance": 0.00725
}

Semantic roles & 50–950 ramp

primary

#280C05

secondary

#1F5B6A

accent

#CEF434

background

#F6F4F4

surface

#EBE7E6

border

#C6C3C2

text

#050100

muted

#7A7777

Preview Lab

Preview with #280C05

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

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