#300B0D#300B0D

#300B0D is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.5% C 0.060 H 20.7°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#300B0D
RGB	rgb(48, 11, 13)
HSL	hsl(357, 63%, 12%)
HSV	hsv(357, 77%, 19%)
CMYK	cmyk(0%, 77.1%, 72.9%, 81.2%)
CIE-LAB	lab(8.10, 19.01, 7.11)
CIE-LCH	lch(8.10, 20.29, 20.51°)
OKLab	oklab(21.51% 0.0564 0.0213)
OKLCH	oklch(21.51% 0.06 20.7)
XYZ	xyz(1.4114, 0.8970, 0.4795)
Luminance	0.0090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#300B0D #0B302E

analogous

#300B20 #300B0D #301C0B

triadic

#300B0D #0D300B #0B0D30

tetradic

#300B0D #20300B #0B302E #1C0B30

square

#300B0D #20300B #0B302E #1C0B30

split-complementary

#300B0D #0B301C #0B2030

monochromatic

#190607 #190607 #300B0D #62161A #942228

Accessibility & contrast

On white

17.81

#300B0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#300B0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #300B0D

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##300B0D	#FFFFFF	#000000	##FFFFFF
##300B0D	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14130D

Deuteranopia (green-blind)

#1E1B0C

Tritanopia (blue-blind)

#35050C

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #300b0d;
/* rgb */ color: rgb(48, 11, 13);
/* oklch */ color: oklch(21.5% 0.060 20.7);

Tailwind

colors: {
  custom: {
    50: '#6b4c4c',
    500: '#300b0d',
    950: '#000000',
  },
}

SCSS

$custom: #300b0d;
$custom-light: #6b4c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#300b0d",
  "rgb": {
    "r": 48,
    "g": 11,
    "b": 13
  },
  "hsl": {
    "h": 356.757,
    "s": 62.712,
    "l": 11.569
  },
  "oklch": {
    "l": 0.21512,
    "c": 0.06031,
    "h": 20.7
  },
  "luminance": 0.00897
}

Semantic roles & 50–950 ramp

primary

#300B0D

secondary

#2A6D69

accent

#E6DD42

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #300B0D

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

Preview Lab → · Contrast checker → · Palette generator →