#2A0301#2A0301

#2A0301 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.5% C 0.067 H 31.0°. Best body text is #FFFFFF at 18.88:1 contrast (WCAG AA passes).

Color values

HEX	#2A0301
RGB	rgb(42, 3, 1)
HSL	hsl(3, 95%, 8%)
HSV	hsv(3, 98%, 16%)
CMYK	cmyk(0%, 92.9%, 97.6%, 83.5%)
CIE-LAB	lab(5.06, 18.55, 7.51)
CIE-LCH	lch(5.06, 20.01, 22.04°)
OKLab	oklab(18.55% 0.0577 0.0346)
OKLCH	oklch(18.55% 0.067 31)
XYZ	xyz(0.9930, 0.5597, 0.0845)
Luminance	0.0056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A0301 #01282A

analogous

#2A0113 #2A0301 #2A1701

triadic

#2A0301 #012A03 #03012A

tetradic

#2A0301 #132A01 #01282A #17012A

square

#2A0301 #132A01 #01282A #17012A

split-complementary

#2A0301 #012A17 #01132A

monochromatic

#1E0201 #1E0201 #2A0301 #660702 #A20C04

Accessibility & contrast

On white

18.88

#2A0301 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#2A0301 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A0301

18.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A0301	#FFFFFF	#000000	##FFFFFF
##2A0301	1.00	18.88	1.11	18.88
#FFFFFF	18.88	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0B01

Deuteranopia (green-blind)

#181400

Tritanopia (blue-blind)

#2F0003

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #2a0301;
/* rgb */ color: rgb(42, 3, 1);
/* oklch */ color: oklch(18.5% 0.067 31.0);

Tailwind

colors: {
  custom: {
    50: '#664747',
    500: '#2a0301',
    950: '#000000',
  },
}

SCSS

$custom: #2a0301;
$custom-light: #664747;
$custom-dark: #000000;

JSON

{
  "hex": "#2a0301",
  "rgb": {
    "r": 42,
    "g": 3,
    "b": 1
  },
  "hsl": {
    "h": 2.927,
    "s": 95.349,
    "l": 8.431
  },
  "oklch": {
    "l": 0.18545,
    "c": 0.06729,
    "h": 31
  },
  "luminance": 0.0056
}

Semantic roles & 50–950 ramp

primary

#2A0301

secondary

#166C70

accent

#F5FF29

background

#F6F4F3

surface

#EBE6E5

border

#C6C2C1

text

#060000

muted

#7A7777

Preview Lab

Preview with #2A0301

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

Preview Lab → · Contrast checker → · Palette generator →