#3F1307#3F1307

#3F1307 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.7% C 0.072 H 36.2°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX#3F1307
RGBrgb(63, 19, 7)
HSLhsl(13, 80%, 14%)
HSVhsv(13, 89%, 25%)
CMYKcmyk(0%, 69.8%, 88.9%, 75.3%)
CIE-LABlab(12.85, 20.72, 16.78)
CIE-LCHlch(12.85, 26.66, 39.00°)
OKLaboklab(25.66% 0.0582 0.0426)
OKLCHoklch(25.66% 0.072 36.2)
XYZxyz(2.3214, 1.5382, 0.3756)
Luminance0.0154 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F1307 #07333F
analogous
#3F0717 #3F1307 #3F2F07
triadic
#3F1307 #073F13 #13073F
tetradic
#3F1307 #173F07 #07333F #2F073F
square
#3F1307 #173F07 #07333F #2F073F
split-complementary
#3F1307 #073F2F #07173F
monochromatic
#1C0803 #1C0803 #3F1307 #76240D #AD3413

Accessibility & contrast

On white

16.06
#3F1307 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.31
#3F1307 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1307
16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F1307#FFFFFF#000000##FFFFFF
##3F13071.0016.061.3116.06
#FFFFFF16.061.0021.001.00
#0000001.3121.001.0021.00
##FFFFFF16.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F1B06
Deuteranopia (green-blind)
#2A2506
Tritanopia (blue-blind)
#460810
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #3f1307;
/* rgb */ color: rgb(63, 19, 7);
/* oklch */ color: oklch(25.7% 0.072 36.2);
Tailwind
colors: {
  custom: {
    50: '#785349',
    500: '#3f1307',
    950: '#000000',
  },
}
SCSS
$custom: #3f1307;
$custom-light: #785349;
$custom-dark: #000000;
JSON
{
  "hex": "#3f1307",
  "rgb": {
    "r": 63,
    "g": 19,
    "b": 7
  },
  "hsl": {
    "h": 12.857,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.25655,
    "c": 0.07215,
    "h": 36.2
  },
  "luminance": 0.01538
}

Semantic roles & 50–950 ramp

primary
#3F1307
secondary
#246B7E
accent
#CCF631
background
#F7F4F4
surface
#EEE7E7
border
#C9C3C3
text
#0A0201
muted
#7C7877

Preview Lab

Preview with #3F1307

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

Preview Lab → · Contrast checker → · Palette generator →

#3F1307 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva