#280100#280100

#280100 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 17.6% C 0.069 H 30.7°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#280100
RGB	rgb(40, 1, 0)
HSL	hsl(2, 100%, 8%)
HSV	hsv(2, 100%, 16%)
CMYK	cmyk(0%, 97.5%, 100%, 84.3%)
CIE-LAB	lab(4.27, 17.85, 6.73)
CIE-LCH	lch(4.27, 19.07, 20.66°)
OKLab	oklab(17.61% 0.0596 0.0353)
OKLCH	oklch(17.61% 0.069 30.7)
XYZ	xyz(0.8860, 0.4730, 0.0446)
Luminance	0.0047 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280100 #002728

analogous

#280013 #280100 #281500

triadic

#280100 #002801 #010028

tetradic

#280100 #132800 #002728 #150028

square

#280100 #132800 #002728 #150028

split-complementary

#280100 #002815 #001328

monochromatic

#1F0100 #1F0100 #280100 #650300 #A20400

Accessibility & contrast

On white

19.19

#280100 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#280100 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280100

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280100	#FFFFFF	#000000	##FFFFFF
##280100	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0900

Deuteranopia (green-blind)

#161200

Tritanopia (blue-blind)

#2D0001

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #280100;
/* rgb */ color: rgb(40, 1, 0);
/* oklch */ color: oklch(17.6% 0.069 30.7);

Tailwind

colors: {
  custom: {
    50: '#634647',
    500: '#280100',
    950: '#000000',
  },
}

SCSS

$custom: #280100;
$custom-light: #634647;
$custom-dark: #000000;

JSON

{
  "hex": "#280100",
  "rgb": {
    "r": 40,
    "g": 1,
    "b": 0
  },
  "hsl": {
    "h": 1.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17608,
    "c": 0.06924,
    "h": 30.7
  },
  "luminance": 0.00473
}

Semantic roles & 50–950 ramp

primary

#280100

secondary

#146E70

accent

#FAFF29

background

#F6F3F3

surface

#EBE5E5

border

#C6C1C1

text

#060000

muted

#7A7677

Preview Lab

Preview with #280100

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

Preview Lab → · Contrast checker → · Palette generator →