#3B370F#3B370F

#3B370F is a dark, muted yellow. Relative luminance 0.037; OKLCH L 33.2% C 0.058 H 103.6°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX#3B370F
RGBrgb(59, 55, 15)
HSLhsl(55, 59%, 15%)
HSVhsv(55, 75%, 23%)
CMYKcmyk(0%, 6.8%, 74.6%, 76.9%)
CIE-LABlab(22.64, -4.17, 24.83)
CIE-LCHlch(22.64, 25.18, 99.54°)
OKLaboklab(33.17% -0.0136 0.0562)
OKLCHoklch(33.17% 0.058 103.6)
XYZxyz(3.2562, 3.6968, 0.9939)
Luminance0.0370 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B370F #0F133B
analogous
#3B210F #3B370F #293B0F
triadic
#3B370F #0F3B37 #370F3B
tetradic
#3B370F #0F3B21 #0F133B #3B0F29
square
#3B370F #0F3B21 #0F133B #3B0F29
split-complementary
#3B370F #0F293B #210F3B
monochromatic
#181706 #181706 #3B370F #6C641B #9D9228

Accessibility & contrast

On white

12.07
#3B370F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.74
#3B370F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B370F
12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B370F#FFFFFF#000000##FFFFFF
##3B370F1.0012.071.7412.07
#FFFFFF12.071.0021.001.00
#0000001.7421.001.0021.00
##FFFFFF12.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C350A
Deuteranopia (green-blind)
#3E3711
Tritanopia (blue-blind)
#40332F
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #3b370f;
/* rgb */ color: rgb(59, 55, 15);
/* oklch */ color: oklch(33.2% 0.058 103.6);
Tailwind
colors: {
  custom: {
    50: '#736d4f',
    500: '#3b370f',
    950: '#000000',
  },
}
SCSS
$custom: #3b370f;
$custom-light: #736d4f;
$custom-dark: #000000;
JSON
{
  "hex": "#3b370f",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 15
  },
  "hsl": {
    "h": 54.545,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33169,
    "c": 0.05785,
    "h": 103.6
  },
  "luminance": 0.03697
}

Semantic roles & 50–950 ramp

primary
#3B370F
secondary
#303775
accent
#53E345
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#080702
muted
#7B7A78

Preview Lab

Preview with #3B370F

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

Preview Lab → · Contrast checker → · Palette generator →

#3B370F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva