#3B131D#3B131D

#3B131D is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.064 H 7.3°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX#3B131D
RGBrgb(59, 19, 29)
HSLhsl(345, 51%, 15%)
HSVhsv(345, 68%, 23%)
CMYKcmyk(0%, 67.8%, 50.8%, 76.9%)
CIE-LABlab(12.51, 20.86, 3.10)
CIE-LCHlch(12.51, 21.09, 8.44°)
OKLaboklab(25.4% 0.0634 0.0082)
OKLCHoklch(25.4% 0.064 7.3)
XYZxyz(2.2584, 1.4845, 1.3298)
Luminance0.0148 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B131D #133B31
analogous
#3B1331 #3B131D #3B1D13
triadic
#3B131D #1D3B13 #131D3B
tetradic
#3B131D #313B13 #133B31 #1D133B
square
#3B131D #313B13 #133B31 #1D133B
split-complementary
#3B131D #133B1D #13313B
monochromatic
#17070B #17070B #3B131D #692234 #98314B

Accessibility & contrast

On white

16.19
#3B131D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.30
#3B131D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B131D
16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B131D#FFFFFF#000000##FFFFFF
##3B131D1.0016.191.3016.19
#FFFFFF16.191.0021.001.00
#0000001.3021.001.0021.00
##FFFFFF16.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B1C1D
Deuteranopia (green-blind)
#25231C
Tritanopia (blue-blind)
#410E17
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #3b131d;
/* rgb */ color: rgb(59, 19, 29);
/* oklch */ color: oklch(25.4% 0.064 7.3);
Tailwind
colors: {
  custom: {
    50: '#735358',
    500: '#3b131d',
    950: '#000000',
  },
}
SCSS
$custom: #3b131d;
$custom-light: #735358;
$custom-dark: #000000;
JSON
{
  "hex": "#3b131d",
  "rgb": {
    "r": 59,
    "g": 19,
    "b": 29
  },
  "hsl": {
    "h": 345,
    "s": 51.282,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25395,
    "c": 0.06396,
    "h": 7.3
  },
  "luminance": 0.01484
}

Semantic roles & 50–950 ramp

primary
#3B131D
secondary
#367364
accent
#DBB74D
background
#F7F4F5
surface
#EDE7E9
border
#C8C3C5
text
#080203
muted
#7B7878

Preview Lab

Preview with #3B131D

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

Preview Lab → · Contrast checker → · Palette generator →

#3B131D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva