#3F0A04#3F0A04

#3F0A04 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.4% C 0.083 H 31.4°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#3F0A04
RGB	rgb(63, 10, 4)
HSL	hsl(6, 88%, 13%)
HSV	hsv(6, 94%, 25%)
CMYK	cmyk(0%, 84.1%, 93.7%, 75.3%)
CIE-LAB	lab(11.16, 25.02, 15.69)
CIE-LCH	lch(11.16, 29.54, 32.09°)
OKLab	oklab(24.37% 0.0706 0.043)
OKLCH	oklch(24.37% 0.083 31.4)
XYZ	xyz(2.1806, 1.2830, 0.2477)
Luminance	0.0128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0A04 #04393F

analogous

#3F041B #3F0A04 #3F2704

triadic

#3F0A04 #043F0A #0A043F

tetradic

#3F0A04 #1B3F04 #04393F #27043F

square

#3F0A04 #1B3F04 #04393F #27043F

split-complementary

#3F0A04 #043F27 #041B3F

monochromatic

#1D0502 #1D0502 #3F0A04 #791308 #B21C0B

Accessibility & contrast

On white

16.71

#3F0A04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3F0A04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0A04

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0A04	#FFFFFF	#000000	##FFFFFF
##3F0A04	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1603

Deuteranopia (green-blind)

#272202

Tritanopia (blue-blind)

#460009

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0a04;
/* rgb */ color: rgb(63, 10, 4);
/* oklch */ color: oklch(24.4% 0.083 31.4);

Tailwind

colors: {
  custom: {
    50: '#794e48',
    500: '#3f0a04',
    950: '#000000',
  },
}

SCSS

$custom: #3f0a04;
$custom-light: #794e48;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0a04",
  "rgb": {
    "r": 63,
    "g": 10,
    "b": 4
  },
  "hsl": {
    "h": 6.102,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24369,
    "c": 0.0827,
    "h": 31.4
  },
  "luminance": 0.01283
}

Semantic roles & 50–950 ramp

primary

#3F0A04

secondary

#1E7680

accent

#E9FE2A

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #3F0A04

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

Preview Lab → · Contrast checker → · Palette generator →