#3F111A#3F111A

#3F111A is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.7% C 0.072 H 12.0°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX#3F111A
RGBrgb(63, 17, 26)
HSLhsl(348, 58%, 16%)
HSVhsv(348, 73%, 25%)
CMYKcmyk(0%, 73%, 58.7%, 75.3%)
CIE-LABlab(12.81, 23.24, 5.87)
CIE-LCHlch(12.81, 23.97, 14.17°)
OKLaboklab(25.75% 0.0703 0.0149)
OKLCHoklch(25.75% 0.072 12)
XYZxyz(2.4370, 1.5326, 1.1446)
Luminance0.0153 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F111A #113F36
analogous
#3F1131 #3F111A #3F1F11
triadic
#3F111A #1A3F11 #111A3F
tetradic
#3F111A #313F11 #113F36 #1F113F
square
#3F111A #313F11 #113F36 #1F113F
split-complementary
#3F111A #113F1F #11313F
monochromatic
#18070A #18070A #3F111A #6F1E2E #9F2B42

Accessibility & contrast

On white

16.07
#3F111A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.31
#3F111A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F111A
16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F111A#FFFFFF#000000##FFFFFF
##3F111A1.0016.071.3116.07
#FFFFFF16.071.0021.001.00
#0000001.3121.001.0021.00
##FFFFFF16.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C1B1A
Deuteranopia (green-blind)
#272519
Tritanopia (blue-blind)
#450915
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #3f111a;
/* rgb */ color: rgb(63, 17, 26);
/* oklch */ color: oklch(25.7% 0.072 12.0);
Tailwind
colors: {
  custom: {
    50: '#775256',
    500: '#3f111a',
    950: '#000000',
  },
}
SCSS
$custom: #3f111a;
$custom-light: #775256;
$custom-dark: #000000;
JSON
{
  "hex": "#3f111a",
  "rgb": {
    "r": 63,
    "g": 17,
    "b": 26
  },
  "hsl": {
    "h": 348.261,
    "s": 57.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25748,
    "c": 0.07186,
    "h": 12
  },
  "luminance": 0.01532
}

Semantic roles & 50–950 ramp

primary
#3F111A
secondary
#33786B
accent
#E1C347
background
#F7F4F5
surface
#EDE7E8
border
#C8C3C4
text
#090203
muted
#7B7878

Preview Lab

Preview with #3F111A

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

Preview Lab → · Contrast checker → · Palette generator →

#3F111A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva