#300A0A#300A0A

#300A0A is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.3% C 0.062 H 24.0°. Best body text is #FFFFFF at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#300A0A
RGB	rgb(48, 10, 10)
HSL	hsl(0, 66%, 11%)
HSV	hsv(0, 79%, 19%)
CMYK	cmyk(0%, 79.2%, 79.2%, 81.2%)
CIE-LAB	lab(7.84, 19.30, 8.05)
CIE-LCH	lch(7.84, 20.92, 22.64°)
OKLab	oklab(21.29% 0.0567 0.0253)
OKLCH	oklch(21.29% 0.062 24)
XYZ	xyz(1.3824, 0.8676, 0.3818)
Luminance	0.0087 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#300A0A #0A3030

analogous

#300A1D #300A0A #301D0A

triadic

#300A0A #0A300A #0A0A30

tetradic

#300A0A #1D300A #0A3030 #1D0A30

square

#300A0A #1D300A #0A3030 #1D0A30

split-complementary

#300A0A #0A301D #0A1D30

monochromatic

#190505 #190505 #300A0A #631515 #951F1F

Accessibility & contrast

On white

17.90

#300A0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#300A0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #300A0A

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##300A0A	#FFFFFF	#000000	##FFFFFF
##300A0A	1.00	17.90	1.17	17.90
#FFFFFF	17.90	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14120A

Deuteranopia (green-blind)

#1E1A09

Tritanopia (blue-blind)

#36030A

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #300a0a;
/* rgb */ color: rgb(48, 10, 10);
/* oklch */ color: oklch(21.3% 0.062 24.0);

Tailwind

colors: {
  custom: {
    50: '#6b4b4b',
    500: '#300a0a',
    950: '#000000',
  },
}

SCSS

$custom: #300a0a;
$custom-light: #6b4b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#300a0a",
  "rgb": {
    "r": 48,
    "g": 10,
    "b": 10
  },
  "hsl": {
    "h": 0,
    "s": 65.517,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21291,
    "c": 0.06205,
    "h": 24
  },
  "luminance": 0.00867
}

Semantic roles & 50–950 ramp

primary

#300A0A

secondary

#296D6D

accent

#E8E83F

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #300A0A

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

Preview Lab → · Contrast checker → · Palette generator →