#3F1109#3F1109

#3F1109 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.074 H 32.2°. Best body text is #FFFFFF at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#3F1109
RGB	rgb(63, 17, 9)
HSL	hsl(9, 75%, 14%)
HSV	hsv(9, 86%, 25%)
CMYK	cmyk(0%, 73%, 85.7%, 75.3%)
CIE-LAB	lab(12.47, 21.92, 15.45)
CIE-LCH	lch(12.47, 26.82, 35.17°)
OKLab	oklab(25.37% 0.0625 0.0393)
OKLCH	oklch(25.37% 0.074 32.2)
XYZ	xyz(2.2999, 1.4777, 0.4225)
Luminance	0.0148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1109 #09373F

analogous

#3F091C #3F1109 #3F2C09

triadic

#3F1109 #093F11 #11093F

tetradic

#3F1109 #1C3F09 #09373F #2C093F

square

#3F1109 #1C3F09 #09373F #2C093F

split-complementary

#3F1109 #093F2C #091C3F

monochromatic

#1B0704 #1B0704 #3F1109 #751F11 #AA2E18

Accessibility & contrast

On white

16.21

#3F1109 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3F1109 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1109

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1109	#FFFFFF	#000000	##FFFFFF
##3F1109	1.00	16.21	1.30	16.21
#FFFFFF	16.21	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A08

Deuteranopia (green-blind)

#292408

Tritanopia (blue-blind)

#46060F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f1109;
/* rgb */ color: rgb(63, 17, 9);
/* oklch */ color: oklch(25.4% 0.074 32.2);

Tailwind

colors: {
  custom: {
    50: '#79524a',
    500: '#3f1109',
    950: '#000000',
  },
}

SCSS

$custom: #3f1109;
$custom-light: #79524a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1109",
  "rgb": {
    "r": 63,
    "g": 17,
    "b": 9
  },
  "hsl": {
    "h": 8.889,
    "s": 75,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25375,
    "c": 0.07381,
    "h": 32.2
  },
  "luminance": 0.01477
}

Semantic roles & 50–950 ramp

primary

#3F1109

secondary

#27707D

accent

#D6F236

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F1109

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

Preview Lab → · Contrast checker → · Palette generator →