#3F0513#3F0513

#3F0513 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.1% C 0.087 H 13.3°. Best body text is #FFFFFF at 16.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F0513
RGB	rgb(63, 5, 19)
HSL	hsl(346, 85%, 13%)
HSV	hsv(346, 92%, 25%)
CMYK	cmyk(0%, 92.1%, 69.8%, 75.3%)
CIE-LAB	lab(10.65, 28.09, 7.88)
CIE-LCH	lch(10.65, 29.18, 15.67°)
OKLab	oklab(24.08% 0.0846 0.02)
OKLCH	oklch(24.08% 0.087 13.3)
XYZ	xyz(2.2219, 1.2127, 0.7330)
Luminance	0.0121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0513 #053F31

analogous

#3F0530 #3F0513 #3F1405

triadic

#3F0513 #133F05 #05133F

tetradic

#3F0513 #303F05 #053F31 #14053F

square

#3F0513 #303F05 #053F31 #14053F

split-complementary

#3F0513 #053F14 #05303F

monochromatic

#1C0209 #1C0209 #3F0513 #780924 #B00E35

Accessibility & contrast

On white

16.90

#3F0513 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3F0513 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0513

16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0513	#FFFFFF	#000000	##FFFFFF
##3F0513	1.00	16.90	1.24	16.90
#FFFFFF	16.90	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161513

Deuteranopia (green-blind)

#252111

Tritanopia (blue-blind)

#46000B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0513;
/* rgb */ color: rgb(63, 5, 19);
/* oklch */ color: oklch(24.1% 0.087 13.3);

Tailwind

colors: {
  custom: {
    50: '#794c50',
    500: '#3f0513',
    950: '#000000',
  },
}

SCSS

$custom: #3f0513;
$custom-light: #794c50;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0513",
  "rgb": {
    "r": 63,
    "g": 5,
    "b": 19
  },
  "hsl": {
    "h": 345.517,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24082,
    "c": 0.0869,
    "h": 13.3
  },
  "luminance": 0.01212
}

Semantic roles & 50–950 ramp

primary

#3F0513

secondary

#208069

accent

#FCCA2C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0102

muted

#7C7778

Preview Lab

Preview with #3F0513

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

Preview Lab → · Contrast checker → · Palette generator →