#300B03#300B03

#300B03 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.3% C 0.063 H 36.1°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#300B03
RGB	rgb(48, 11, 3)
HSL	hsl(11, 88%, 10%)
HSV	hsv(11, 94%, 19%)
CMYK	cmyk(0%, 77.1%, 93.8%, 81.2%)
CIE-LAB	lab(7.90, 18.23, 10.99)
CIE-LCH	lch(7.90, 21.29, 31.09°)
OKLab	oklab(21.29% 0.051 0.0372)
OKLCH	oklch(21.29% 0.063 36.1)
XYZ	xyz(1.3552, 0.8745, 0.1836)
Luminance	0.0087 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#300B03 #032830

analogous

#300311 #300B03 #302203

triadic

#300B03 #03300B #0B0330

tetradic

#300B03 #113003 #032830 #220330

square

#300B03 #113003 #032830 #220330

split-complementary

#300B03 #033022 #031130

monochromatic

#1D0702 #1D0702 #300B03 #6A1807 #A3250A

Accessibility & contrast

On white

17.88

#300B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#300B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #300B03

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##300B03	#FFFFFF	#000000	##FFFFFF
##300B03	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161202

Deuteranopia (green-blind)

#1F1A02

Tritanopia (blue-blind)

#360309

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #300b03;
/* rgb */ color: rgb(48, 11, 3);
/* oklch */ color: oklch(21.3% 0.063 36.1);

Tailwind

colors: {
  custom: {
    50: '#6b4c48',
    500: '#300b03',
    950: '#000000',
  },
}

SCSS

$custom: #300b03;
$custom-light: #6b4c48;
$custom-dark: #000000;

JSON

{
  "hex": "#300b03",
  "rgb": {
    "r": 48,
    "g": 11,
    "b": 3
  },
  "hsl": {
    "h": 10.667,
    "s": 88.235,
    "l": 10
  },
  "oklch": {
    "l": 0.21294,
    "c": 0.06308,
    "h": 36.1
  },
  "luminance": 0.00874
}

Semantic roles & 50–950 ramp

primary

#300B03

secondary

#1B6473

accent

#D9FE29

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #300B03

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

Preview Lab → · Contrast checker → · Palette generator →