#3F0C0D#3F0C0D

#3F0C0D is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.8% C 0.079 H 24.0°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX#3F0C0D
RGBrgb(63, 12, 13)
HSLhsl(359, 68%, 15%)
HSVhsv(359, 81%, 25%)
CMYKcmyk(0%, 81%, 79.4%, 75.3%)
CIE-LABlab(11.61, 24.63, 12.55)
CIE-LCHlch(11.61, 27.64, 27.01°)
OKLaboklab(24.76% 0.072 0.0321)
OKLCHoklch(24.76% 0.079 24)
XYZxyz(2.2543, 1.3491, 0.5224)
Luminance0.0135 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F0C0D #0C3F3E
analogous
#3F0C26 #3F0C0D #3F250C
triadic
#3F0C0D #0D3F0C #0C0D3F
tetradic
#3F0C0D #263F0C #0C3F3E #250C3F
square
#3F0C0D #263F0C #0C3F3E #250C3F
split-complementary
#3F0C0D #0C3F25 #0C263F
monochromatic
#1A0505 #1A0505 #3F0C0D #721618 #A62022

Accessibility & contrast

On white

16.54
#3F0C0D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#3F0C0D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0C0D
16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F0C0D#FFFFFF#000000##FFFFFF
##3F0C0D1.0016.541.2716.54
#FFFFFF16.541.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A180D
Deuteranopia (green-blind)
#27230B
Tritanopia (blue-blind)
#46000D
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #3f0c0d;
/* rgb */ color: rgb(63, 12, 13);
/* oklch */ color: oklch(24.8% 0.079 24.0);
Tailwind
colors: {
  custom: {
    50: '#794f4c',
    500: '#3f0c0d',
    950: '#000000',
  },
}
SCSS
$custom: #3f0c0d;
$custom-light: #794f4c;
$custom-dark: #000000;
JSON
{
  "hex": "#3f0c0d",
  "rgb": {
    "r": 63,
    "g": 12,
    "b": 13
  },
  "hsl": {
    "h": 358.824,
    "s": 68,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24757,
    "c": 0.07879,
    "h": 24
  },
  "luminance": 0.01349
}

Semantic roles & 50–950 ramp

primary
#3F0C0D
secondary
#2C7B7A
accent
#EBE73D
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0201
muted
#7C7877

Preview Lab

Preview with #3F0C0D

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

Preview Lab → · Contrast checker → · Palette generator →

#3F0C0D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva