#3F141B#3F141B

#3F141B is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.2% C 0.067 H 13.1°. Best body text is #FFFFFF at 15.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F141B
RGB	rgb(63, 20, 27)
HSL	hsl(350, 52%, 16%)
HSV	hsv(350, 68%, 25%)
CMYK	cmyk(0%, 68.3%, 57.1%, 75.3%)
CIE-LAB	lab(13.45, 21.72, 6.01)
CIE-LCH	lch(13.45, 22.53, 15.47°)
OKLab	oklab(26.23% 0.0656 0.0153)
OKLCH	oklch(26.23% 0.067 13.1)
XYZ	xyz(2.4981, 1.6365, 1.2210)
Luminance	0.0164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F141B #143F38

analogous

#3F1431 #3F141B #3F2314

triadic

#3F141B #1B3F14 #141B3F

tetradic

#3F141B #313F14 #143F38 #23143F

square

#3F141B #313F14 #143F38 #23143F

split-complementary

#3F141B #143F23 #14313F

monochromatic

#17070A #17070A #3F141B #6D232F #9C3143

Accessibility & contrast

On white

15.82

#3F141B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#3F141B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F141B

15.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F141B	#FFFFFF	#000000	##FFFFFF
##3F141B	1.00	15.82	1.33	15.82
#FFFFFF	15.82	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1D1B

Deuteranopia (green-blind)

#29261A

Tritanopia (blue-blind)

#450E17

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3f141b;
/* rgb */ color: rgb(63, 20, 27);
/* oklch */ color: oklch(26.2% 0.067 13.1);

Tailwind

colors: {
  custom: {
    50: '#775457',
    500: '#3f141b',
    950: '#000000',
  },
}

SCSS

$custom: #3f141b;
$custom-light: #775457;
$custom-dark: #000000;

JSON

{
  "hex": "#3f141b",
  "rgb": {
    "r": 63,
    "g": 20,
    "b": 27
  },
  "hsl": {
    "h": 350.233,
    "s": 51.807,
    "l": 16.275
  },
  "oklch": {
    "l": 0.26234,
    "c": 0.06737,
    "h": 13.1
  },
  "luminance": 0.01636
}

Semantic roles & 50–950 ramp

primary

#3F141B

secondary

#38776D

accent

#DBC44D

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #3F141B

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

Preview Lab → · Contrast checker → · Palette generator →