#3C101B#3C101B

#3C101B is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.070 H 8.4°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#3C101B
RGB	rgb(60, 16, 27)
HSL	hsl(345, 58%, 15%)
HSV	hsv(345, 73%, 24%)
CMYK	cmyk(0%, 73.3%, 55%, 76.5%)
CIE-LAB	lab(12.03, 22.69, 3.93)
CIE-LCH	lch(12.03, 23.03, 9.83°)
OKLab	oklab(25.05% 0.069 0.0102)
OKLCH	oklch(25.05% 0.07 8.4)
XYZ	xyz(2.2468, 1.4106, 1.1907)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C101B #103C31

analogous

#3C1031 #3C101B #3C1B10

triadic

#3C101B #1B3C10 #101B3C

tetradic

#3C101B #313C10 #103C31 #1B103C

square

#3C101B #313C10 #103C31 #1B103C

split-complementary

#3C101B #103C1B #10313C

monochromatic

#18060B #18060B #3C101B #6C1D31 #9D2A46

Accessibility & contrast

On white

16.38

#3C101B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3C101B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C101B

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C101B	#FFFFFF	#000000	##FFFFFF
##3C101B	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1A1B

Deuteranopia (green-blind)

#25231A

Tritanopia (blue-blind)

#420A14

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3c101b;
/* rgb */ color: rgb(60, 16, 27);
/* oklch */ color: oklch(25.1% 0.070 8.4);

Tailwind

colors: {
  custom: {
    50: '#755157',
    500: '#3c101b',
    950: '#000000',
  },
}

SCSS

$custom: #3c101b;
$custom-light: #755157;
$custom-dark: #000000;

JSON

{
  "hex": "#3c101b",
  "rgb": {
    "r": 60,
    "g": 16,
    "b": 27
  },
  "hsl": {
    "h": 345,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25054,
    "c": 0.06971,
    "h": 8.4
  },
  "luminance": 0.0141
}

Semantic roles & 50–950 ramp

primary

#3C101B

secondary

#327665

accent

#E1BB47

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#090203

muted

#7B7878

Preview Lab

Preview with #3C101B

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

Preview Lab → · Contrast checker → · Palette generator →