#2A0404#2A0404

#2A0404 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.8% C 0.064 H 26.0°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#2A0404
RGB	rgb(42, 4, 4)
HSL	hsl(0, 83%, 9%)
HSV	hsv(0, 90%, 16%)
CMYK	cmyk(0%, 90.5%, 90.5%, 83.5%)
CIE-LAB	lab(5.31, 18.44, 6.66)
CIE-LCH	lch(5.31, 19.60, 19.86°)
OKLab	oklab(18.82% 0.0579 0.0282)
OKLCH	oklch(18.82% 0.064 26)
XYZ	xyz(1.0203, 0.5880, 0.1746)
Luminance	0.0059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A0404 #042A2A

analogous

#2A0417 #2A0404 #2A1704

triadic

#2A0404 #042A04 #04042A

tetradic

#2A0404 #172A04 #042A2A #17042A

square

#2A0404 #172A04 #042A2A #17042A

split-complementary

#2A0404 #042A17 #04172A

monochromatic

#1C0303 #1C0303 #2A0404 #620909 #9A0F0F

Accessibility & contrast

On white

18.79

#2A0404 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2A0404 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A0404

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A0404	#FFFFFF	#000000	##FFFFFF
##2A0404	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0C04

Deuteranopia (green-blind)

#181503

Tritanopia (blue-blind)

#2F0004

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2a0404;
/* rgb */ color: rgb(42, 4, 4);
/* oklch */ color: oklch(18.8% 0.064 26.0);

Tailwind

colors: {
  custom: {
    50: '#664848',
    500: '#2a0404',
    950: '#000000',
  },
}

SCSS

$custom: #2a0404;
$custom-light: #664848;
$custom-dark: #000000;

JSON

{
  "hex": "#2a0404",
  "rgb": {
    "r": 42,
    "g": 4,
    "b": 4
  },
  "hsl": {
    "h": 0,
    "s": 82.609,
    "l": 9.02
  },
  "oklch": {
    "l": 0.18824,
    "c": 0.06443,
    "h": 26
  },
  "luminance": 0.00588
}

Semantic roles & 50–950 ramp

primary

#2A0404

secondary

#1D6D6D

accent

#F9F92F

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #2A0404

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

Preview Lab → · Contrast checker → · Palette generator →