#2A0403#2A0403

#2A0403 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.8% C 0.065 H 28.0°. Best body text is #FFFFFF at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#2A0403
RGB	rgb(42, 4, 3)
HSL	hsl(2, 87%, 9%)
HSV	hsv(2, 93%, 16%)
CMYK	cmyk(0%, 90.5%, 92.9%, 83.5%)
CIE-LAB	lab(5.29, 18.33, 7.04)
CIE-LCH	lch(5.29, 19.63, 21.01°)
OKLab	oklab(18.8% 0.0572 0.0304)
OKLCH	oklch(18.8% 0.065 28)
XYZ	xyz(1.0148, 0.5858, 0.1458)
Luminance	0.0059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A0403 #03292A

analogous

#2A0316 #2A0403 #2A1803

triadic

#2A0403 #032A04 #04032A

tetradic

#2A0403 #162A03 #03292A #18032A

square

#2A0403 #162A03 #03292A #18032A

split-complementary

#2A0403 #032A18 #03162A

monochromatic

#1D0302 #1D0302 #2A0403 #630907 #9C0F0B

Accessibility & contrast

On white

18.80

#2A0403 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2A0403 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A0403

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A0403	#FFFFFF	#000000	##FFFFFF
##2A0403	1.00	18.80	1.12	18.80
#FFFFFF	18.80	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0C03

Deuteranopia (green-blind)

#181502

Tritanopia (blue-blind)

#2F0004

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2a0403;
/* rgb */ color: rgb(42, 4, 3);
/* oklch */ color: oklch(18.8% 0.065 28.0);

Tailwind

colors: {
  custom: {
    50: '#664848',
    500: '#2a0403',
    950: '#000000',
  },
}

SCSS

$custom: #2a0403;
$custom-light: #664848;
$custom-dark: #000000;

JSON

{
  "hex": "#2a0403",
  "rgb": {
    "r": 42,
    "g": 4,
    "b": 3
  },
  "hsl": {
    "h": 1.538,
    "s": 86.667,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18796,
    "c": 0.06473,
    "h": 28
  },
  "luminance": 0.00586
}

Semantic roles & 50–950 ramp

primary

#2A0403

secondary

#1B6C6E

accent

#F7FD2B

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #2A0403

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

Preview Lab → · Contrast checker → · Palette generator →