#3F151E#3F151E

#3F151E is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.5% C 0.066 H 9.6°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F151E
RGB	rgb(63, 21, 30)
HSL	hsl(347, 50%, 16%)
HSV	hsv(347, 67%, 25%)
CMYK	cmyk(0%, 66.7%, 52.4%, 75.3%)
CIE-LAB	lab(13.75, 21.50, 4.23)
CIE-LCH	lch(13.75, 21.91, 11.12°)
OKLab	oklab(26.49% 0.0652 0.011)
OKLCH	oklch(26.49% 0.066 9.6)
XYZ	xyz(2.5526, 1.6871, 1.4193)
Luminance	0.0169 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F151E #153F36

analogous

#3F1533 #3F151E #3F2115

triadic

#3F151E #1E3F15 #151E3F

tetradic

#3F151E #333F15 #153F36 #21153F

square

#3F151E #333F15 #153F36 #21153F

split-complementary

#3F151E #153F21 #15333F

monochromatic

#17080B #17080B #3F151E #6D2434 #9B344A

Accessibility & contrast

On white

15.70

#3F151E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#3F151E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F151E

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F151E	#FFFFFF	#000000	##FFFFFF
##3F151E	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1E1E

Deuteranopia (green-blind)

#29261D

Tritanopia (blue-blind)

#451018

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #3f151e;
/* rgb */ color: rgb(63, 21, 30);
/* oklch */ color: oklch(26.5% 0.066 9.6);

Tailwind

colors: {
  custom: {
    50: '#775459',
    500: '#3f151e',
    950: '#000000',
  },
}

SCSS

$custom: #3f151e;
$custom-light: #775459;
$custom-dark: #000000;

JSON

{
  "hex": "#3f151e",
  "rgb": {
    "r": 63,
    "g": 21,
    "b": 30
  },
  "hsl": {
    "h": 347.143,
    "s": 50,
    "l": 16.471
  },
  "oklch": {
    "l": 0.26488,
    "c": 0.06616,
    "h": 9.6
  },
  "luminance": 0.01687
}

Semantic roles & 50–950 ramp

primary

#3F151E

secondary

#397769

accent

#DABC4E

background

#F7F4F5

surface

#EDE8E9

border

#C8C4C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #3F151E

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

Preview Lab → · Contrast checker → · Palette generator →