#3D370B#3D370B

#3D370B is a dark, moderate yellow. Relative luminance 0.037; OKLCH L 33.4% C 0.061 H 101.4°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX#3D370B
RGBrgb(61, 55, 11)
HSLhsl(53, 69%, 14%)
HSVhsv(53, 82%, 24%)
CMYKcmyk(0%, 9.8%, 82%, 76.1%)
CIE-LABlab(22.82, -3.39, 27.00)
CIE-LCHlch(22.82, 27.21, 97.15°)
OKLaboklab(33.35% -0.012 0.06)
OKLCHoklch(33.35% 0.061 101.4)
XYZxyz(3.3512, 3.7488, 0.8636)
Luminance0.0375 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D370B #0B113D
analogous
#3D1E0B #3D370B #2A3D0B
triadic
#3D370B #0B3D37 #370B3D
tetradic
#3D370B #0B3D1E #0B113D #3D0B2A
square
#3D370B #0B3D1E #0B113D #3D0B2A
split-complementary
#3D370B #0B2A3D #1E0B3D
monochromatic
#1A1705 #1A1705 #3D370B #716614 #A5951E

Accessibility & contrast

On white

12.00
#3D370B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.75
#3D370B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D370B
12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D370B#FFFFFF#000000##FFFFFF
##3D370B1.0012.001.7512.00
#FFFFFF12.001.0021.001.00
#0000001.7521.001.0021.00
##FFFFFF12.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D3505
Deuteranopia (green-blind)
#3F380E
Tritanopia (blue-blind)
#42322E
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #3d370b;
/* rgb */ color: rgb(61, 55, 11);
/* oklch */ color: oklch(33.4% 0.061 101.4);
Tailwind
colors: {
  custom: {
    50: '#756d4d',
    500: '#3d370b',
    950: '#000000',
  },
}
SCSS
$custom: #3d370b;
$custom-light: #756d4d;
$custom-dark: #000000;
JSON
{
  "hex": "#3d370b",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 52.8,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.33353,
    "c": 0.06122,
    "h": 101.4
  },
  "luminance": 0.03749
}

Semantic roles & 50–950 ramp

primary
#3D370B
secondary
#2A347A
accent
#51EC3C
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#080701
muted
#7B7A77

Preview Lab

Preview with #3D370B

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

Preview Lab → · Contrast checker → · Palette generator →

#3D370B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva