#3F0B08#3F0B08

#3F0B08 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.081 H 28.1°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F0B08
RGB	rgb(63, 11, 8)
HSL	hsl(3, 77%, 14%)
HSV	hsv(3, 87%, 25%)
CMYK	cmyk(0%, 82.5%, 87.3%, 75.3%)
CIE-LAB	lab(11.37, 24.80, 14.36)
CIE-LCH	lch(11.37, 28.66, 30.08°)
OKLab	oklab(24.55% 0.0712 0.038)
OKLCH	oklch(24.55% 0.081 28.1)
XYZ	xyz(2.2137, 1.3140, 0.3667)
Luminance	0.0131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0B08 #083C3F

analogous

#3F0821 #3F0B08 #3F2708

triadic

#3F0B08 #083F0B #0B083F

tetradic

#3F0B08 #213F08 #083C3F #27083F

square

#3F0B08 #213F08 #083C3F #27083F

split-complementary

#3F0B08 #083F27 #08213F

monochromatic

#1B0503 #1B0503 #3F0B08 #75140F #AC1E16

Accessibility & contrast

On white

16.63

#3F0B08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3F0B08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0B08

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0B08	#FFFFFF	#000000	##FFFFFF
##3F0B08	1.00	16.63	1.26	16.63
#FFFFFF	16.63	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1707

Deuteranopia (green-blind)

#272206

Tritanopia (blue-blind)

#46000B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0b08;
/* rgb */ color: rgb(63, 11, 8);
/* oklch */ color: oklch(24.6% 0.081 28.1);

Tailwind

colors: {
  custom: {
    50: '#794e4a',
    500: '#3f0b08',
    950: '#000000',
  },
}

SCSS

$custom: #3f0b08;
$custom-light: #794e4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0b08",
  "rgb": {
    "r": 63,
    "g": 11,
    "b": 8
  },
  "hsl": {
    "h": 3.273,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24551,
    "c": 0.08072,
    "h": 28.1
  },
  "luminance": 0.01314
}

Semantic roles & 50–950 ramp

primary

#3F0B08

secondary

#25797E

accent

#EAF434

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0B08

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

Preview Lab → · Contrast checker → · Palette generator →