#3F0E09#3F0E09

#3F0E09 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.077 H 29.5°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#3F0E09
RGB	rgb(63, 14, 9)
HSL	hsl(6, 75%, 14%)
HSV	hsv(6, 86%, 25%)
CMYK	cmyk(0%, 77.8%, 85.7%, 75.3%)
CIE-LAB	lab(11.90, 23.46, 14.68)
CIE-LCH	lch(11.90, 27.67, 32.03°)
OKLab	oklab(24.95% 0.0673 0.038)
OKLCH	oklch(24.95% 0.077 29.5)
XYZ	xyz(2.2565, 1.3909, 0.4080)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0E09 #093A3F

analogous

#3F091F #3F0E09 #3F2909

triadic

#3F0E09 #093F0E #0E093F

tetradic

#3F0E09 #1F3F09 #093A3F #29093F

square

#3F0E09 #1F3F09 #093A3F #29093F

split-complementary

#3F0E09 #093F29 #091F3F

monochromatic

#1B0604 #1B0604 #3F0E09 #751A11 #AA2618

Accessibility & contrast

On white

16.43

#3F0E09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0E09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0E09

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0E09	#FFFFFF	#000000	##FFFFFF
##3F0E09	1.00	16.43	1.28	16.43
#FFFFFF	16.43	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1808

Deuteranopia (green-blind)

#282307

Tritanopia (blue-blind)

#46020D

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3f0e09;
/* rgb */ color: rgb(63, 14, 9);
/* oklch */ color: oklch(24.9% 0.077 29.5);

Tailwind

colors: {
  custom: {
    50: '#79504a',
    500: '#3f0e09',
    950: '#000000',
  },
}

SCSS

$custom: #3f0e09;
$custom-light: #79504a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0e09",
  "rgb": {
    "r": 63,
    "g": 14,
    "b": 9
  },
  "hsl": {
    "h": 5.556,
    "s": 75,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24948,
    "c": 0.07724,
    "h": 29.5
  },
  "luminance": 0.01391
}

Semantic roles & 50–950 ramp

primary

#3F0E09

secondary

#27757D

accent

#E0F236

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0E09

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

Preview Lab → · Contrast checker → · Palette generator →