#300303#300303

#300303 is a very dark, moderate red. Relative luminance 0.007; OKLCH L 20.0% C 0.074 H 27.1°. Best body text is #FFFFFF at 18.42:1 contrast (WCAG AA passes).

Color values

HEX	#300303
RGB	rgb(48, 3, 3)
HSL	hsl(0, 88%, 10%)
HSV	hsv(0, 94%, 19%)
CMYK	cmyk(0%, 93.8%, 93.8%, 81.2%)
CIE-LAB	lab(6.33, 22.36, 8.70)
CIE-LCH	lch(6.33, 23.99, 21.26°)
OKLab	oklab(20.02% 0.0656 0.0336)
OKLCH	oklch(20.02% 0.074 27.1)
XYZ	xyz(1.2681, 0.7003, 0.1545)
Luminance	0.0070 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#300303 #033030

analogous

#30031A #300303 #301A03

triadic

#300303 #033003 #030330

tetradic

#300303 #1A3003 #033030 #190330

square

#300303 #1A3003 #033030 #190330

split-complementary

#300303 #03301A #031930

monochromatic

#1D0202 #1D0202 #300303 #6A0707 #A30A0A

Accessibility & contrast

On white

18.42

#300303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#300303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #300303

18.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##300303	#FFFFFF	#000000	##FFFFFF
##300303	1.00	18.42	1.14	18.42
#FFFFFF	18.42	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100D03

Deuteranopia (green-blind)

#1C1802

Tritanopia (blue-blind)

#360003

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #300303;
/* rgb */ color: rgb(48, 3, 3);
/* oklch */ color: oklch(20.0% 0.074 27.1);

Tailwind

colors: {
  custom: {
    50: '#6c4748',
    500: '#300303',
    950: '#000000',
  },
}

SCSS

$custom: #300303;
$custom-light: #6c4748;
$custom-dark: #000000;

JSON

{
  "hex": "#300303",
  "rgb": {
    "r": 48,
    "g": 3,
    "b": 3
  },
  "hsl": {
    "h": 0,
    "s": 88.235,
    "l": 10
  },
  "oklch": {
    "l": 0.20019,
    "c": 0.07368,
    "h": 27.1
  },
  "luminance": 0.007
}

Semantic roles & 50–950 ramp

primary

#300303

secondary

#1B7373

accent

#FEFE29

background

#F6F4F4

surface

#ECE6E6

border

#C7C2C2

text

#070000

muted

#7A7777

Preview Lab

Preview with #300303

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

Preview Lab → · Contrast checker → · Palette generator →