#300A0B#300A0B

#300A0B is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.3% C 0.062 H 22.6°. Best body text is #FFFFFF at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#300A0B
RGB	rgb(48, 10, 11)
HSL	hsl(358, 66%, 11%)
HSV	hsv(358, 79%, 19%)
CMYK	cmyk(0%, 79.2%, 77.1%, 81.2%)
CIE-LAB	lab(7.86, 19.38, 7.66)
CIE-LCH	lch(7.86, 20.84, 21.57°)
OKLab	oklab(21.31% 0.0572 0.0238)
OKLCH	oklch(21.31% 0.062 22.6)
XYZ	xyz(1.3880, 0.8698, 0.4113)
Luminance	0.0087 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#300A0B #0A302F

analogous

#300A1E #300A0B #301C0A

triadic

#300A0B #0B300A #0A0B30

tetradic

#300A0B #1E300A #0A302F #1C0A30

square

#300A0B #1E300A #0A302F #1C0A30

split-complementary

#300A0B #0A301C #0A1E30

monochromatic

#190506 #190506 #300A0B #631517 #951F22

Accessibility & contrast

On white

17.89

#300A0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#300A0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #300A0B

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##300A0B	#FFFFFF	#000000	##FFFFFF
##300A0B	1.00	17.89	1.17	17.89
#FFFFFF	17.89	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14120B

Deuteranopia (green-blind)

#1E1A0A

Tritanopia (blue-blind)

#36030B

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #300a0b;
/* rgb */ color: rgb(48, 10, 11);
/* oklch */ color: oklch(21.3% 0.062 22.6);

Tailwind

colors: {
  custom: {
    50: '#6b4b4b',
    500: '#300a0b',
    950: '#000000',
  },
}

SCSS

$custom: #300a0b;
$custom-light: #6b4b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#300a0b",
  "rgb": {
    "r": 48,
    "g": 10,
    "b": 11
  },
  "hsl": {
    "h": 358.421,
    "s": 65.517,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21313,
    "c": 0.06191,
    "h": 22.6
  },
  "luminance": 0.0087
}

Semantic roles & 50–950 ramp

primary

#300A0B

secondary

#296D6B

accent

#E8E43F

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #300A0B

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

Preview Lab → · Contrast checker → · Palette generator →