#3F0C0F#3F0C0F

#3F0C0F is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.8% C 0.079 H 21.9°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX#3F0C0F
RGBrgb(63, 12, 15)
HSLhsl(356, 68%, 15%)
HSVhsv(356, 81%, 25%)
CMYKcmyk(0%, 81%, 76.2%, 75.3%)
CIE-LABlab(11.65, 24.76, 11.59)
CIE-LCHlch(11.65, 27.34, 25.09°)
OKLaboklab(24.8% 0.0729 0.0293)
OKLCHoklch(24.8% 0.079 21.9)
XYZxyz(2.2678, 1.3545, 0.5939)
Luminance0.0135 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F0C0F #0C3F3C
analogous
#3F0C28 #3F0C0F #3F230C
triadic
#3F0C0F #0F3F0C #0C0F3F
tetradic
#3F0C0F #283F0C #0C3F3C #230C3F
square
#3F0C0F #283F0C #0C3F3C #230C3F
split-complementary
#3F0C0F #0C3F23 #0C283F
monochromatic
#1A0506 #1A0506 #3F0C0F #72161B #A62027

Accessibility & contrast

On white

16.53
#3F0C0F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#3F0C0F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0C0F
16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F0C0F#FFFFFF#000000##FFFFFF
##3F0C0F1.0016.531.2716.53
#FFFFFF16.531.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A180F
Deuteranopia (green-blind)
#27230D
Tritanopia (blue-blind)
#46010E
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #3f0c0f;
/* rgb */ color: rgb(63, 12, 15);
/* oklch */ color: oklch(24.8% 0.079 21.9);
Tailwind
colors: {
  custom: {
    50: '#794f4d',
    500: '#3f0c0f',
    950: '#000000',
  },
}
SCSS
$custom: #3f0c0f;
$custom-light: #794f4d;
$custom-dark: #000000;
JSON
{
  "hex": "#3f0c0f",
  "rgb": {
    "r": 63,
    "g": 12,
    "b": 15
  },
  "hsl": {
    "h": 356.471,
    "s": 68,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24796,
    "c": 0.07856,
    "h": 21.9
  },
  "luminance": 0.01354
}

Semantic roles & 50–950 ramp

primary
#3F0C0F
secondary
#2C7B76
accent
#EBE13D
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0201
muted
#7C7877

Preview Lab

Preview with #3F0C0F

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

Preview Lab → · Contrast checker → · Palette generator →

#3F0C0F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva