#280A01#280A01

#280A01 is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.4% C 0.055 H 42.2°. Best body text is #FFFFFF at 18.52:1 contrast (WCAG AA passes).

Color values

HEX	#280A01
RGB	rgb(40, 10, 1)
HSL	hsl(14, 95%, 8%)
HSV	hsv(14, 98%, 16%)
CMYK	cmyk(0%, 75%, 97.5%, 84.3%)
CIE-LAB	lab(6.06, 14.09, 8.93)
CIE-LCH	lch(6.06, 16.68, 32.35°)
OKLab	oklab(19.42% 0.0406 0.0369)
OKLCH	oklch(19.42% 0.055 42.2)
XYZ	xyz(0.9892, 0.6705, 0.1060)
Luminance	0.0067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280A01 #011F28

analogous

#28010B #280A01 #281D01

triadic

#280A01 #01280A #0A0128

tetradic

#280A01 #0B2801 #011F28 #1D0128

square

#280A01 #0B2801 #011F28 #1D0128

split-complementary

#280A01 #01281D #010B28

monochromatic

#1E0701 #1E0701 #280A01 #641902 #9F2804

Accessibility & contrast

On white

18.52

#280A01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#280A01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280A01

18.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280A01	#FFFFFF	#000000	##FFFFFF
##280A01	1.00	18.52	1.13	18.52
#FFFFFF	18.52	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#130F00

Deuteranopia (green-blind)

#1A1601

Tritanopia (blue-blind)

#2D0408

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #280a01;
/* rgb */ color: rgb(40, 10, 1);
/* oklch */ color: oklch(19.4% 0.055 42.2);

Tailwind

colors: {
  custom: {
    50: '#634b47',
    500: '#280a01',
    950: '#000000',
  },
}

SCSS

$custom: #280a01;
$custom-light: #634b47;
$custom-dark: #000000;

JSON

{
  "hex": "#280a01",
  "rgb": {
    "r": 40,
    "g": 10,
    "b": 1
  },
  "hsl": {
    "h": 13.846,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.19417,
    "c": 0.05483,
    "h": 42.2
  },
  "luminance": 0.0067
}

Semantic roles & 50–950 ramp

primary

#280A01

secondary

#165A6F

accent

#CEFF29

background

#F6F4F3

surface

#EBE7E5

border

#C6C3C1

text

#060100

muted

#7A7777

Preview Lab

Preview with #280A01

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

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