#3F0D17#3F0D17

#3F0D17 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.077 H 13.1°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#3F0D17
RGB	rgb(63, 13, 23)
HSL	hsl(348, 66%, 15%)
HSV	hsv(348, 79%, 25%)
CMYK	cmyk(0%, 79.4%, 63.5%, 75.3%)
CIE-LAB	lab(12.00, 24.93, 6.99)
CIE-LCH	lch(12.00, 25.89, 15.66°)
OKLab	oklab(25.12% 0.0752 0.0175)
OKLCH	oklch(25.12% 0.077 13.1)
XYZ	xyz(2.3487, 1.4068, 0.9583)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0D17 #0D3F35

analogous

#3F0D30 #3F0D17 #3F1C0D

triadic

#3F0D17 #173F0D #0D173F

tetradic

#3F0D17 #303F0D #0D3F35 #1C0D3F

square

#3F0D17 #303F0D #0D3F35 #1C0D3F

split-complementary

#3F0D17 #0D3F1C #0D303F

monochromatic

#190509 #190509 #3F0D17 #72172A #A4223C

Accessibility & contrast

On white

16.39

#3F0D17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0D17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0D17

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0D17	#FFFFFF	#000000	##FFFFFF
##3F0D17	1.00	16.39	1.28	16.39
#FFFFFF	16.39	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1917

Deuteranopia (green-blind)

#262316

Tritanopia (blue-blind)

#460411

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3f0d17;
/* rgb */ color: rgb(63, 13, 23);
/* oklch */ color: oklch(25.1% 0.077 13.1);

Tailwind

colors: {
  custom: {
    50: '#785053',
    500: '#3f0d17',
    950: '#000000',
  },
}

SCSS

$custom: #3f0d17;
$custom-light: #785053;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0d17",
  "rgb": {
    "r": 63,
    "g": 13,
    "b": 23
  },
  "hsl": {
    "h": 348,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25117,
    "c": 0.07722,
    "h": 13.1
  },
  "luminance": 0.01406
}

Semantic roles & 50–950 ramp

primary

#3F0D17

secondary

#2D7B6B

accent

#E9C73F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #3F0D17

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

Preview Lab → · Contrast checker → · Palette generator →