#2B0603#2B0603

#2B0603 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.4% C 0.063 H 30.7°. Best body text is #FFFFFF at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#2B0603
RGB	rgb(43, 6, 3)
HSL	hsl(5, 87%, 9%)
HSV	hsv(5, 93%, 17%)
CMYK	cmyk(0%, 86%, 93%, 83.1%)
CIE-LAB	lab(5.88, 18.04, 7.92)
CIE-LCH	lch(5.88, 19.70, 23.70°)
OKLab	oklab(19.4% 0.054 0.0321)
OKLCH	oklch(19.4% 0.063 30.7)
XYZ	xyz(1.0779, 0.6506, 0.1549)
Luminance	0.0065 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0603 #03282B

analogous

#2B0314 #2B0603 #2B1A03

triadic

#2B0603 #032B06 #06032B

tetradic

#2B0603 #142B03 #03282B #1A032B

square

#2B0603 #142B03 #03282B #1A032B

split-complementary

#2B0603 #032B1A #03142B

monochromatic

#1D0402 #1D0402 #2B0603 #640E07 #9D160B

Accessibility & contrast

On white

18.58

#2B0603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#2B0603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0603

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0603	#FFFFFF	#000000	##FFFFFF
##2B0603	1.00	18.58	1.13	18.58
#FFFFFF	18.58	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110E03

Deuteranopia (green-blind)

#1A1602

Tritanopia (blue-blind)

#300005

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #2b0603;
/* rgb */ color: rgb(43, 6, 3);
/* oklch */ color: oklch(19.4% 0.063 30.7);

Tailwind

colors: {
  custom: {
    50: '#674948',
    500: '#2b0603',
    950: '#000000',
  },
}

SCSS

$custom: #2b0603;
$custom-light: #674948;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0603",
  "rgb": {
    "r": 43,
    "g": 6,
    "b": 3
  },
  "hsl": {
    "h": 4.5,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.19396,
    "c": 0.06279,
    "h": 30.7
  },
  "luminance": 0.0065
}

Semantic roles & 50–950 ramp

primary

#2B0603

secondary

#1B696F

accent

#EDFD2B

background

#F6F4F4

surface

#EBE7E6

border

#C6C3C2

text

#060100

muted

#7A7777

Preview Lab

Preview with #2B0603

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

Preview Lab → · Contrast checker → · Palette generator →