#3C100A#3C100A

#3C100A is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.6% C 0.071 H 30.5°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX	#3C100A
RGB	rgb(60, 16, 10)
HSL	hsl(7, 71%, 14%)
HSV	hsv(7, 83%, 24%)
CMYK	cmyk(0%, 73.3%, 83.3%, 76.5%)
CIE-LAB	lab(11.64, 21.23, 13.82)
CIE-LCH	lch(11.64, 25.33, 33.06°)
OKLab	oklab(24.64% 0.061 0.036)
OKLCH	oklch(24.64% 0.071 30.5)
XYZ	xyz(2.1038, 1.3535, 0.4376)
Luminance	0.0135 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C100A #0A363C

analogous

#3C0A1D #3C100A #3C290A

triadic

#3C100A #0A3C10 #100A3C

tetradic

#3C100A #1D3C0A #0A363C #290A3C

square

#3C100A #1D3C0A #0A363C #290A3C

split-complementary

#3C100A #0A3C29 #0A1D3C

monochromatic

#1A0704 #1A0704 #3C100A #701E13 #A52C1B

Accessibility & contrast

On white

16.53

#3C100A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3C100A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C100A

16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C100A	#FFFFFF	#000000	##FFFFFF
##3C100A	1.00	16.53	1.27	16.53
#FFFFFF	16.53	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1909

Deuteranopia (green-blind)

#272209

Tritanopia (blue-blind)

#43060F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3c100a;
/* rgb */ color: rgb(60, 16, 10);
/* oklch */ color: oklch(24.6% 0.071 30.5);

Tailwind

colors: {
  custom: {
    50: '#76514b',
    500: '#3c100a',
    950: '#000000',
  },
}

SCSS

$custom: #3c100a;
$custom-light: #76514b;
$custom-dark: #000000;

JSON

{
  "hex": "#3c100a",
  "rgb": {
    "r": 60,
    "g": 16,
    "b": 10
  },
  "hsl": {
    "h": 7.2,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24642,
    "c": 0.07076,
    "h": 30.5
  },
  "luminance": 0.01353
}

Semantic roles & 50–950 ramp

primary

#3C100A

secondary

#287079

accent

#D9EE3A

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3C100A

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

Preview Lab → · Contrast checker → · Palette generator →