#280301#280301

#280301 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.1% C 0.065 H 31.1°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#280301
RGB	rgb(40, 3, 1)
HSL	hsl(3, 95%, 8%)
HSV	hsv(3, 98%, 16%)
CMYK	cmyk(0%, 92.5%, 97.5%, 84.3%)
CIE-LAB	lab(4.68, 17.14, 6.92)
CIE-LCH	lch(4.68, 18.48, 22.00°)
OKLab	oklab(18.07% 0.0555 0.0335)
OKLCH	oklch(18.07% 0.065 31.1)
XYZ	xyz(0.9132, 0.5186, 0.0807)
Luminance	0.0052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280301 #012628

analogous

#280112 #280301 #281601

triadic

#280301 #012803 #030128

tetradic

#280301 #122801 #012628 #160128

square

#280301 #122801 #012628 #160128

split-complementary

#280301 #012816 #011228

monochromatic

#1E0201 #1E0201 #280301 #640702 #9F0C04

Accessibility & contrast

On white

19.03

#280301 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#280301 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280301

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280301	#FFFFFF	#000000	##FFFFFF
##280301	1.00	19.03	1.10	19.03
#FFFFFF	19.03	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0A01

Deuteranopia (green-blind)

#171300

Tritanopia (blue-blind)

#2D0003

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #280301;
/* rgb */ color: rgb(40, 3, 1);
/* oklch */ color: oklch(18.1% 0.065 31.1);

Tailwind

colors: {
  custom: {
    50: '#634747',
    500: '#280301',
    950: '#000000',
  },
}

SCSS

$custom: #280301;
$custom-light: #634747;
$custom-dark: #000000;

JSON

{
  "hex": "#280301",
  "rgb": {
    "r": 40,
    "g": 3,
    "b": 1
  },
  "hsl": {
    "h": 3.077,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.18068,
    "c": 0.06487,
    "h": 31.1
  },
  "luminance": 0.00518
}

Semantic roles & 50–950 ramp

primary

#280301

secondary

#166A6F

accent

#F4FF29

background

#F6F4F3

surface

#EBE6E5

border

#C6C2C1

text

#060000

muted

#7A7777

Preview Lab

Preview with #280301

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

Preview Lab → · Contrast checker → · Palette generator →