#3C070B#3C070B

#3C070B is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.5% C 0.081 H 22.2°. Best body text is #FFFFFF at 17.11:1 contrast (WCAG AA passes).

Color values

HEX	#3C070B
RGB	rgb(60, 7, 11)
HSL	hsl(355, 79%, 13%)
HSV	hsv(355, 88%, 24%)
CMYK	cmyk(0%, 88.3%, 81.7%, 76.5%)
CIE-LAB	lab(10.09, 25.61, 11.23)
CIE-LCH	lch(10.09, 27.96, 23.68°)
OKLab	oklab(23.48% 0.075 0.0307)
OKLCH	oklch(23.48% 0.081 22.2)
XYZ	xyz(2.0001, 1.1371, 0.4307)
Luminance	0.0114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C070B #073C38

analogous

#3C0725 #3C070B #3C1D07

triadic

#3C070B #0B3C07 #070B3C

tetradic

#3C070B #253C07 #073C38 #1D073C

square

#3C070B #253C07 #073C38 #1D073C

split-complementary

#3C070B #073C1D #07253C

monochromatic

#1B0305 #1B0305 #3C070B #730D15 #AA141F

Accessibility & contrast

On white

17.11

#3C070B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#3C070B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C070B

17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C070B	#FFFFFF	#000000	##FFFFFF
##3C070B	1.00	17.11	1.23	17.11
#FFFFFF	17.11	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17140B

Deuteranopia (green-blind)

#242009

Tritanopia (blue-blind)

#430009

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3c070b;
/* rgb */ color: rgb(60, 7, 11);
/* oklch */ color: oklch(23.5% 0.081 22.2);

Tailwind

colors: {
  custom: {
    50: '#774c4b',
    500: '#3c070b',
    950: '#000000',
  },
}

SCSS

$custom: #3c070b;
$custom-light: #774c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3c070b",
  "rgb": {
    "r": 60,
    "g": 7,
    "b": 11
  },
  "hsl": {
    "h": 355.472,
    "s": 79.104,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23481,
    "c": 0.08105,
    "h": 22.2
  },
  "luminance": 0.01137
}

Semantic roles & 50–950 ramp

primary

#3C070B

secondary

#237B75

accent

#F6E732

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3C070B

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

Preview Lab → · Contrast checker → · Palette generator →