#300603#300603

#300603 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.5% C 0.069 H 30.4°. Best body text is #FFFFFF at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#300603
RGB	rgb(48, 6, 3)
HSL	hsl(4, 88%, 10%)
HSV	hsv(4, 94%, 19%)
CMYK	cmyk(0%, 87.5%, 93.8%, 81.2%)
CIE-LAB	lab(6.91, 20.83, 9.55)
CIE-LCH	lch(6.91, 22.91, 24.64°)
OKLab	oklab(20.52% 0.0597 0.035)
OKLCH	oklch(20.52% 0.069 30.4)
XYZ	xyz(1.3006, 0.7654, 0.1654)
Luminance	0.0076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#300603 #032D30

analogous

#300317 #300603 #301C03

triadic

#300603 #033006 #060330

tetradic

#300603 #173003 #032D30 #1C0330

square

#300603 #173003 #032D30 #1C0330

split-complementary

#300603 #03301C #031730

monochromatic

#1D0402 #1D0402 #300603 #6A0D07 #A3140A

Accessibility & contrast

On white

18.21

#300603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#300603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #300603

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##300603	#FFFFFF	#000000	##FFFFFF
##300603	1.00	18.21	1.15	18.21
#FFFFFF	18.21	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#120F02

Deuteranopia (green-blind)

#1D1902

Tritanopia (blue-blind)

#360006

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #300603;
/* rgb */ color: rgb(48, 6, 3);
/* oklch */ color: oklch(20.5% 0.069 30.4);

Tailwind

colors: {
  custom: {
    50: '#6c4948',
    500: '#300603',
    950: '#000000',
  },
}

SCSS

$custom: #300603;
$custom-light: #6c4948;
$custom-dark: #000000;

JSON

{
  "hex": "#300603",
  "rgb": {
    "r": 48,
    "g": 6,
    "b": 3
  },
  "hsl": {
    "h": 4,
    "s": 88.235,
    "l": 10
  },
  "oklch": {
    "l": 0.20515,
    "c": 0.06922,
    "h": 30.4
  },
  "luminance": 0.00765
}

Semantic roles & 50–950 ramp

primary

#300603

secondary

#1B6E73

accent

#F0FE29

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #300603

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

Preview Lab → · Contrast checker → · Palette generator →