#3F0D18#3F0D18

#3F0D18 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.077 H 11.8°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#3F0D18
RGB	rgb(63, 13, 24)
HSL	hsl(347, 66%, 15%)
HSV	hsv(347, 79%, 25%)
CMYK	cmyk(0%, 79.4%, 61.9%, 75.3%)
CIE-LAB	lab(12.03, 25.03, 6.28)
CIE-LCH	lch(12.03, 25.80, 14.08°)
OKLab	oklab(25.15% 0.0757 0.0158)
OKLCH	oklch(25.15% 0.077 11.8)
XYZ	xyz(2.3589, 1.4109, 1.0121)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0D18 #0D3F34

analogous

#3F0D31 #3F0D18 #3F1B0D

triadic

#3F0D18 #183F0D #0D183F

tetradic

#3F0D18 #313F0D #0D3F34 #1B0D3F

square

#3F0D18 #313F0D #0D3F34 #1B0D3F

split-complementary

#3F0D18 #0D3F1B #0D313F

monochromatic

#19050A #19050A #3F0D18 #72172B #A4223F

Accessibility & contrast

On white

16.38

#3F0D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0D18

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0D18	#FFFFFF	#000000	##FFFFFF
##3F0D18	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191918

Deuteranopia (green-blind)

#262317

Tritanopia (blue-blind)

#460411

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f0d18;
/* rgb */ color: rgb(63, 13, 24);
/* oklch */ color: oklch(25.1% 0.077 11.8);

Tailwind

colors: {
  custom: {
    50: '#785054',
    500: '#3f0d18',
    950: '#000000',
  },
}

SCSS

$custom: #3f0d18;
$custom-light: #785054;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0d18",
  "rgb": {
    "r": 63,
    "g": 13,
    "b": 24
  },
  "hsl": {
    "h": 346.8,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25146,
    "c": 0.07733,
    "h": 11.8
  },
  "luminance": 0.01411
}

Semantic roles & 50–950 ramp

primary

#3F0D18

secondary

#2D7B6A

accent

#E9C33F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #3F0D18

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

Preview Lab → · Contrast checker → · Palette generator →