#3B170F#3B170F

#3B170F is a dark, muted red. Relative luminance 0.016; OKLCH L 25.7% C 0.059 H 33.9°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX#3B170F
RGBrgb(59, 23, 15)
HSLhsl(11, 59%, 15%)
HSVhsv(11, 75%, 23%)
CMYKcmyk(0%, 61%, 74.6%, 76.9%)
CIE-LABlab(13.09, 17.02, 13.41)
CIE-LCHlch(13.09, 21.67, 38.23°)
OKLaboklab(25.72% 0.0492 0.033)
OKLCHoklch(25.72% 0.059 33.9)
XYZxyz(2.1964, 1.5774, 0.6406)
Luminance0.0158 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B170F #0F333B
analogous
#3B0F1D #3B170F #3B2D0F
triadic
#3B170F #0F3B17 #170F3B
tetradic
#3B170F #1D3B0F #0F333B #2D0F3B
square
#3B170F #1D3B0F #0F333B #2D0F3B
split-complementary
#3B170F #0F3B2D #0F1D3B
monochromatic
#180A06 #180A06 #3B170F #6C2A1B #9D3D28

Accessibility & contrast

On white

15.96
#3B170F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.32
#3B170F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B170F
15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B170F#FFFFFF#000000##FFFFFF
##3B170F1.0015.961.3215.96
#FFFFFF15.961.0021.001.00
#0000001.3221.001.0021.00
##FFFFFF15.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#201D0E
Deuteranopia (green-blind)
#29250E
Tritanopia (blue-blind)
#411015
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #3b170f;
/* rgb */ color: rgb(59, 23, 15);
/* oklch */ color: oklch(25.7% 0.059 33.9);
Tailwind
colors: {
  custom: {
    50: '#74554e',
    500: '#3b170f',
    950: '#000000',
  },
}
SCSS
$custom: #3b170f;
$custom-light: #74554e;
$custom-dark: #000000;
JSON
{
  "hex": "#3b170f",
  "rgb": {
    "r": 59,
    "g": 23,
    "b": 15
  },
  "hsl": {
    "h": 10.909,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25723,
    "c": 0.05923,
    "h": 33.9
  },
  "luminance": 0.01577
}

Semantic roles & 50–950 ramp

primary
#3B170F
secondary
#306975
accent
#C6E345
background
#F7F4F4
surface
#EDE8E7
border
#C8C4C3
text
#090301
muted
#7B7877

Preview Lab

Preview with #3B170F

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

Preview Lab → · Contrast checker → · Palette generator →

#3B170F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva