#3C100D#3C100D

#3C100D is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.7% C 0.070 H 27.3°. Best body text is #FFFFFF at 16.51:1 contrast (WCAG AA passes).

Color values

HEX	#3C100D
RGB	rgb(60, 16, 13)
HSL	hsl(4, 64%, 14%)
HSV	hsv(4, 78%, 24%)
CMYK	cmyk(0%, 73.3%, 78.3%, 76.5%)
CIE-LAB	lab(11.69, 21.42, 12.56)
CIE-LCH	lch(11.69, 24.83, 30.38°)
OKLab	oklab(24.69% 0.0623 0.0321)
OKLCH	oklch(24.69% 0.07 27.3)
XYZ	xyz(2.1216, 1.3606, 0.5316)
Luminance	0.0136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C100D #0D393C

analogous

#3C0D22 #3C100D #3C280D

triadic

#3C100D #0D3C10 #100D3C

tetradic

#3C100D #223C0D #0D393C #280D3C

square

#3C100D #223C0D #0D393C #280D3C

split-complementary

#3C100D #0D3C28 #0D223C

monochromatic

#190705 #190705 #3C100D #6E1D18 #A12B23

Accessibility & contrast

On white

16.51

#3C100D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3C100D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C100D

16.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C100D	#FFFFFF	#000000	##FFFFFF
##3C100D	1.00	16.51	1.27	16.51
#FFFFFF	16.51	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190C

Deuteranopia (green-blind)

#27220C

Tritanopia (blue-blind)

#430610

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3c100d;
/* rgb */ color: rgb(60, 16, 13);
/* oklch */ color: oklch(24.7% 0.070 27.3);

Tailwind

colors: {
  custom: {
    50: '#76514c',
    500: '#3c100d',
    950: '#000000',
  },
}

SCSS

$custom: #3c100d;
$custom-light: #76514c;
$custom-dark: #000000;

JSON

{
  "hex": "#3c100d",
  "rgb": {
    "r": 60,
    "g": 16,
    "b": 13
  },
  "hsl": {
    "h": 3.83,
    "s": 64.384,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24694,
    "c": 0.07007,
    "h": 27.3
  },
  "luminance": 0.0136
}

Semantic roles & 50–950 ramp

primary

#3C100D

secondary

#2D7378

accent

#DDE740

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3C100D

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

Preview Lab → · Contrast checker → · Palette generator →