#280901#280901

#280901 is a very dark, muted red. Relative luminance 0.006; OKLCH L 19.2% C 0.056 H 40.6°. Best body text is #FFFFFF at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#280901
RGB	rgb(40, 9, 1)
HSL	hsl(12, 95%, 8%)
HSV	hsv(12, 98%, 16%)
CMYK	cmyk(0%, 77.5%, 97.5%, 84.3%)
CIE-LAB	lab(5.86, 14.54, 8.64)
CIE-LCH	lch(5.86, 16.91, 30.72°)
OKLab	oklab(19.24% 0.0425 0.0364)
OKLCH	oklch(19.24% 0.056 40.6)
XYZ	xyz(0.9783, 0.6488, 0.1024)
Luminance	0.0065 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280901 #012028

analogous

#28010C #280901 #281C01

triadic

#280901 #012809 #090128

tetradic

#280901 #0C2801 #012028 #1C0128

square

#280901 #0C2801 #012028 #1C0128

split-complementary

#280901 #01281C #010C28

monochromatic

#1E0701 #1E0701 #280901 #641602 #9F2404

Accessibility & contrast

On white

18.59

#280901 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#280901 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280901

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280901	#FFFFFF	#000000	##FFFFFF
##280901	1.00	18.59	1.13	18.59
#FFFFFF	18.59	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#120F00

Deuteranopia (green-blind)

#1A1601

Tritanopia (blue-blind)

#2D0307

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #280901;
/* rgb */ color: rgb(40, 9, 1);
/* oklch */ color: oklch(19.2% 0.056 40.6);

Tailwind

colors: {
  custom: {
    50: '#634a47',
    500: '#280901',
    950: '#000000',
  },
}

SCSS

$custom: #280901;
$custom-light: #634a47;
$custom-dark: #000000;

JSON

{
  "hex": "#280901",
  "rgb": {
    "r": 40,
    "g": 9,
    "b": 1
  },
  "hsl": {
    "h": 12.308,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.19236,
    "c": 0.05597,
    "h": 40.6
  },
  "luminance": 0.00649
}

Semantic roles & 50–950 ramp

primary

#280901

secondary

#165C6F

accent

#D3FF29

background

#F6F4F3

surface

#EBE7E5

border

#C6C3C1

text

#060100

muted

#7A7777

Preview Lab

Preview with #280901

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

Preview Lab → · Contrast checker → · Palette generator →