#3F0913#3F0913

#3F0913 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.082 H 15.6°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F0913
RGB	rgb(63, 9, 19)
HSL	hsl(349, 75%, 14%)
HSV	hsv(349, 86%, 25%)
CMYK	cmyk(0%, 85.7%, 69.8%, 75.3%)
CIE-LAB	lab(11.27, 26.34, 8.74)
CIE-LCH	lch(11.27, 27.75, 18.36°)
OKLab	oklab(24.54% 0.0789 0.022)
OKLCH	oklch(24.54% 0.082 15.6)
XYZ	xyz(2.2654, 1.2995, 0.7475)
Luminance	0.0130 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0913 #093F35

analogous

#3F092E #3F0913 #3F1A09

triadic

#3F0913 #133F09 #09133F

tetradic

#3F0913 #2E3F09 #093F35 #1A093F

square

#3F0913 #2E3F09 #093F35 #1A093F

split-complementary

#3F0913 #093F1A #092E3F

monochromatic

#1B0408 #1B0408 #3F0913 #751123 #AA1833

Accessibility & contrast

On white

16.67

#3F0913 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3F0913 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0913

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0913	#FFFFFF	#000000	##FFFFFF
##3F0913	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181713

Deuteranopia (green-blind)

#262212

Tritanopia (blue-blind)

#46000D

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0913;
/* rgb */ color: rgb(63, 9, 19);
/* oklch */ color: oklch(24.5% 0.082 15.6);

Tailwind

colors: {
  custom: {
    50: '#794e50',
    500: '#3f0913',
    950: '#000000',
  },
}

SCSS

$custom: #3f0913;
$custom-light: #794e50;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0913",
  "rgb": {
    "r": 63,
    "g": 9,
    "b": 19
  },
  "hsl": {
    "h": 348.889,
    "s": 75,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24542,
    "c": 0.08191,
    "h": 15.6
  },
  "luminance": 0.01299
}

Semantic roles & 50–950 ramp

primary

#3F0913

secondary

#277D6D

accent

#F2CF36

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #3F0913

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

Preview Lab → · Contrast checker → · Palette generator →