#2A0503#2A0503

#2A0503 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.0% C 0.063 H 29.4°. Best body text is #FFFFFF at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#2A0503
RGB	rgb(42, 5, 3)
HSL	hsl(3, 87%, 9%)
HSV	hsv(3, 93%, 16%)
CMYK	cmyk(0%, 88.1%, 92.9%, 83.5%)
CIE-LAB	lab(5.49, 17.87, 7.32)
CIE-LCH	lch(5.49, 19.32, 22.28°)
OKLab	oklab(18.99% 0.0549 0.031)
OKLCH	oklch(18.99% 0.063 29.4)
XYZ	xyz(1.0257, 0.6075, 0.1494)
Luminance	0.0061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A0503 #03282A

analogous

#2A0315 #2A0503 #2A1903

triadic

#2A0503 #032A05 #05032A

tetradic

#2A0503 #152A03 #03282A #19032A

square

#2A0503 #152A03 #03282A #19032A

split-complementary

#2A0503 #032A19 #03152A

monochromatic

#1D0302 #1D0302 #2A0503 #630C07 #9C130B

Accessibility & contrast

On white

18.73

#2A0503 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2A0503 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A0503

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A0503	#FFFFFF	#000000	##FFFFFF
##2A0503	1.00	18.73	1.12	18.73
#FFFFFF	18.73	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0D03

Deuteranopia (green-blind)

#191502

Tritanopia (blue-blind)

#2F0005

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2a0503;
/* rgb */ color: rgb(42, 5, 3);
/* oklch */ color: oklch(19.0% 0.063 29.4);

Tailwind

colors: {
  custom: {
    50: '#664848',
    500: '#2a0503',
    950: '#000000',
  },
}

SCSS

$custom: #2a0503;
$custom-light: #664848;
$custom-dark: #000000;

JSON

{
  "hex": "#2a0503",
  "rgb": {
    "r": 42,
    "g": 5,
    "b": 3
  },
  "hsl": {
    "h": 3.077,
    "s": 86.667,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18986,
    "c": 0.06306,
    "h": 29.4
  },
  "luminance": 0.00607
}

Semantic roles & 50–950 ramp

primary

#2A0503

secondary

#1B6A6E

accent

#F2FD2B

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #2A0503

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

Preview Lab → · Contrast checker → · Palette generator →