#3F161C#3F161C

#3F161C is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.6% C 0.064 H 13.6°. Best body text is #FFFFFF at 15.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F161C
RGB	rgb(63, 22, 28)
HSL	hsl(351, 48%, 17%)
HSV	hsv(351, 65%, 25%)
CMYK	cmyk(0%, 65.1%, 55.6%, 75.3%)
CIE-LAB	lab(13.91, 20.68, 5.92)
CIE-LCH	lch(13.91, 21.51, 15.97°)
OKLab	oklab(26.59% 0.0625 0.0151)
OKLCH	oklch(26.59% 0.064 13.6)
XYZ	xyz(2.5466, 1.7147, 1.2952)
Luminance	0.0171 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F161C #163F39

analogous

#3F1631 #3F161C #3F2516

triadic

#3F161C #1C3F16 #161C3F

tetradic

#3F161C #313F16 #163F39 #25163F

square

#3F161C #313F16 #163F39 #25163F

split-complementary

#3F161C #163F25 #16313F

monochromatic

#17080A #17080A #3F161C #6C2630 #9A3644

Accessibility & contrast

On white

15.64

#3F161C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#3F161C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F161C

15.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F161C	#FFFFFF	#000000	##FFFFFF
##3F161C	1.00	15.64	1.34	15.64
#FFFFFF	15.64	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1E1C

Deuteranopia (green-blind)

#29271B

Tritanopia (blue-blind)

#451018

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #3f161c;
/* rgb */ color: rgb(63, 22, 28);
/* oklch */ color: oklch(26.6% 0.064 13.6);

Tailwind

colors: {
  custom: {
    50: '#775557',
    500: '#3f161c',
    950: '#000000',
  },
}

SCSS

$custom: #3f161c;
$custom-light: #775557;
$custom-dark: #000000;

JSON

{
  "hex": "#3f161c",
  "rgb": {
    "r": 63,
    "g": 22,
    "b": 28
  },
  "hsl": {
    "h": 351.22,
    "s": 48.235,
    "l": 16.667
  },
  "oklch": {
    "l": 0.2659,
    "c": 0.06427,
    "h": 13.6
  },
  "luminance": 0.01714
}

Semantic roles & 50–950 ramp

primary

#3F161C

secondary

#3B766E

accent

#D8C450

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #3F161C

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

Preview Lab → · Contrast checker → · Palette generator →