#3F0813#3F0813

#3F0813 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.4% C 0.083 H 15.0°. Best body text is #FFFFFF at 16.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F0813
RGB	rgb(63, 8, 19)
HSL	hsl(348, 77%, 14%)
HSV	hsv(348, 87%, 25%)
CMYK	cmyk(0%, 87.3%, 69.8%, 75.3%)
CIE-LAB	lab(11.12, 26.77, 8.53)
CIE-LCH	lch(11.12, 28.09, 17.68°)
OKLab	oklab(24.43% 0.0803 0.0215)
OKLCH	oklch(24.43% 0.083 15)
XYZ	xyz(2.2545, 1.2778, 0.7439)
Luminance	0.0128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0813 #083F34

analogous

#3F082F #3F0813 #3F1908

triadic

#3F0813 #133F08 #08133F

tetradic

#3F0813 #2F3F08 #083F34 #19083F

square

#3F0813 #2F3F08 #083F34 #19083F

split-complementary

#3F0813 #083F19 #082F3F

monochromatic

#1B0308 #1B0308 #3F0813 #750F23 #AC1634

Accessibility & contrast

On white

16.73

#3F0813 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3F0813 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0813

16.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0813	#FFFFFF	#000000	##FFFFFF
##3F0813	1.00	16.73	1.26	16.73
#FFFFFF	16.73	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171613

Deuteranopia (green-blind)

#252212

Tritanopia (blue-blind)

#46000D

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0813;
/* rgb */ color: rgb(63, 8, 19);
/* oklch */ color: oklch(24.4% 0.083 15.0);

Tailwind

colors: {
  custom: {
    50: '#794d50',
    500: '#3f0813',
    950: '#000000',
  },
}

SCSS

$custom: #3f0813;
$custom-light: #794d50;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0813",
  "rgb": {
    "r": 63,
    "g": 8,
    "b": 19
  },
  "hsl": {
    "h": 348,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24429,
    "c": 0.08312,
    "h": 15
  },
  "luminance": 0.01277
}

Semantic roles & 50–950 ramp

primary

#3F0813

secondary

#257E6C

accent

#F4CE34

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #3F0813

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

Preview Lab → · Contrast checker → · Palette generator →