#3F0F07#3F0F07

#3F0F07 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.077 H 32.2°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX#3F0F07
RGBrgb(63, 15, 7)
HSLhsl(9, 80%, 14%)
HSVhsv(9, 89%, 25%)
CMYKcmyk(0%, 76.2%, 88.9%, 75.3%)
CIE-LABlab(12.05, 22.85, 15.70)
CIE-LCHlch(12.05, 27.73, 34.49°)
OKLaboklab(25.05% 0.0648 0.0409)
OKLCHoklch(25.05% 0.077 32.2)
XYZxyz(2.2593, 1.4141, 0.3549)
Luminance0.0141 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F0F07 #07373F
analogous
#3F071B #3F0F07 #3F2B07
triadic
#3F0F07 #073F0F #0F073F
tetradic
#3F0F07 #1B3F07 #07373F #2B073F
square
#3F0F07 #1B3F07 #07373F #2B073F
split-complementary
#3F0F07 #073F2B #071B3F
monochromatic
#1C0703 #1C0703 #3F0F07 #761C0D #AD2913

Accessibility & contrast

On white

16.37
#3F0F07 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.28
#3F0F07 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0F07
16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F0F07#FFFFFF#000000##FFFFFF
##3F0F071.0016.371.2816.37
#FFFFFF16.371.0021.001.00
#0000001.2821.001.0021.00
##FFFFFF16.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D1906
Deuteranopia (green-blind)
#292406
Tritanopia (blue-blind)
#46030D
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #3f0f07;
/* rgb */ color: rgb(63, 15, 7);
/* oklch */ color: oklch(25.1% 0.077 32.2);
Tailwind
colors: {
  custom: {
    50: '#795049',
    500: '#3f0f07',
    950: '#000000',
  },
}
SCSS
$custom: #3f0f07;
$custom-light: #795049;
$custom-dark: #000000;
JSON
{
  "hex": "#3f0f07",
  "rgb": {
    "r": 63,
    "g": 15,
    "b": 7
  },
  "hsl": {
    "h": 8.571,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.25054,
    "c": 0.07663,
    "h": 32.2
  },
  "luminance": 0.01414
}

Semantic roles & 50–950 ramp

primary
#3F0F07
secondary
#24717E
accent
#DAF631
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0201
muted
#7C7877

Preview Lab

Preview with #3F0F07

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

Preview Lab → · Contrast checker → · Palette generator →

#3F0F07 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva