#2B0403#2B0403

#2B0403 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.0% C 0.066 H 28.0°. Best body text is #FFFFFF at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#2B0403
RGB	rgb(43, 4, 3)
HSL	hsl(2, 87%, 9%)
HSV	hsv(2, 93%, 17%)
CMYK	cmyk(0%, 90.7%, 93%, 83.1%)
CIE-LAB	lab(5.48, 18.97, 7.34)
CIE-LCH	lch(5.48, 20.34, 21.16°)
OKLab	oklab(19.03% 0.0583 0.031)
OKLCH	oklch(19.03% 0.066 28)
XYZ	xyz(1.0562, 0.6072, 0.1477)
Luminance	0.0061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0403 #032A2B

analogous

#2B0316 #2B0403 #2B1803

triadic

#2B0403 #032B04 #04032B

tetradic

#2B0403 #162B03 #032A2B #18032B

square

#2B0403 #162B03 #032A2B #18032B

split-complementary

#2B0403 #032B18 #03162B

monochromatic

#1D0302 #1D0302 #2B0403 #640907 #9D0F0B

Accessibility & contrast

On white

18.73

#2B0403 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2B0403 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0403

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0403	#FFFFFF	#000000	##FFFFFF
##2B0403	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)

#0F0C03

Deuteranopia (green-blind)

#191502

Tritanopia (blue-blind)

#300004

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2b0403;
/* rgb */ color: rgb(43, 4, 3);
/* oklch */ color: oklch(19.0% 0.066 28.0);

Tailwind

colors: {
  custom: {
    50: '#674848',
    500: '#2b0403',
    950: '#000000',
  },
}

SCSS

$custom: #2b0403;
$custom-light: #674848;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0403",
  "rgb": {
    "r": 43,
    "g": 4,
    "b": 3
  },
  "hsl": {
    "h": 1.5,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.19028,
    "c": 0.06599,
    "h": 28
  },
  "luminance": 0.00607
}

Semantic roles & 50–950 ramp

primary

#2B0403

secondary

#1B6D6F

accent

#F8FD2B

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #2B0403

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

Preview Lab → · Contrast checker → · Palette generator →