#2D0303#2D0303

#2D0303 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.3% C 0.070 H 26.9°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#2D0303
RGB	rgb(45, 3, 3)
HSL	hsl(0, 88%, 9%)
HSV	hsv(0, 93%, 18%)
CMYK	cmyk(0%, 93.3%, 93.3%, 82.4%)
CIE-LAB	lab(5.69, 20.67, 7.69)
CIE-LCH	lch(5.69, 22.06, 20.40°)
OKLab	oklab(19.31% 0.0626 0.0317)
OKLCH	oklch(19.31% 0.07 26.9)
XYZ	xyz(1.1313, 0.6298, 0.1481)
Luminance	0.0063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D0303 #032D2D

analogous

#2D0318 #2D0303 #2D1803

triadic

#2D0303 #032D03 #03032D

tetradic

#2D0303 #182D03 #032D2D #18032D

square

#2D0303 #182D03 #032D2D #18032D

split-complementary

#2D0303 #032D18 #03182D

monochromatic

#1D0202 #1D0202 #2D0303 #660707 #A00B0B

Accessibility & contrast

On white

18.65

#2D0303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#2D0303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D0303

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D0303	#FFFFFF	#000000	##FFFFFF
##2D0303	1.00	18.65	1.13	18.65
#FFFFFF	18.65	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0C03

Deuteranopia (green-blind)

#1A1602

Tritanopia (blue-blind)

#330003

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #2d0303;
/* rgb */ color: rgb(45, 3, 3);
/* oklch */ color: oklch(19.3% 0.070 26.9);

Tailwind

colors: {
  custom: {
    50: '#694748',
    500: '#2d0303',
    950: '#000000',
  },
}

SCSS

$custom: #2d0303;
$custom-light: #694748;
$custom-dark: #000000;

JSON

{
  "hex": "#2d0303",
  "rgb": {
    "r": 45,
    "g": 3,
    "b": 3
  },
  "hsl": {
    "h": 0,
    "s": 87.5,
    "l": 9.412
  },
  "oklch": {
    "l": 0.19311,
    "c": 0.07014,
    "h": 26.9
  },
  "luminance": 0.0063
}

Semantic roles & 50–950 ramp

primary

#2D0303

secondary

#1B7171

accent

#FEFE2A

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#070000

muted

#7A7777

Preview Lab

Preview with #2D0303

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

Preview Lab → · Contrast checker → · Palette generator →