#300B0A#300B0A

#300B0A is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.4% C 0.061 H 25.2°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#300B0A
RGB	rgb(48, 11, 10)
HSL	hsl(2, 66%, 11%)
HSV	hsv(2, 79%, 19%)
CMYK	cmyk(0%, 77.1%, 79.2%, 81.2%)
CIE-LAB	lab(8.04, 18.77, 8.34)
CIE-LCH	lch(8.04, 20.54, 23.97°)
OKLab	oklab(21.44% 0.055 0.0258)
OKLCH	oklch(21.44% 0.061 25.2)
XYZ	xyz(1.3935, 0.8898, 0.3855)
Luminance	0.0089 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#300B0A #0A2F30

analogous

#300A1C #300B0A #301E0A

triadic

#300B0A #0A300B #0B0A30

tetradic

#300B0A #1C300A #0A2F30 #1E0A30

square

#300B0A #1C300A #0A2F30 #1E0A30

split-complementary

#300B0A #0A301E #0A1C30

monochromatic

#190605 #190605 #300B0A #631715 #95221F

Accessibility & contrast

On white

17.83

#300B0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#300B0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #300B0A

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##300B0A	#FFFFFF	#000000	##FFFFFF
##300B0A	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15130A

Deuteranopia (green-blind)

#1E1B09

Tritanopia (blue-blind)

#36040B

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #300b0a;
/* rgb */ color: rgb(48, 11, 10);
/* oklch */ color: oklch(21.4% 0.061 25.2);

Tailwind

colors: {
  custom: {
    50: '#6b4c4b',
    500: '#300b0a',
    950: '#000000',
  },
}

SCSS

$custom: #300b0a;
$custom-light: #6b4c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#300b0a",
  "rgb": {
    "r": 48,
    "g": 11,
    "b": 10
  },
  "hsl": {
    "h": 1.579,
    "s": 65.517,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21443,
    "c": 0.06072,
    "h": 25.2
  },
  "luminance": 0.0089
}

Semantic roles & 50–950 ramp

primary

#300B0A

secondary

#296B6D

accent

#E4E83F

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #300B0A

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

Preview Lab → · Contrast checker → · Palette generator →