#3F3B05#3F3B05

#3F3B05 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.6% C 0.070 H 105.0°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX#3F3B05
RGBrgb(63, 59, 5)
HSLhsl(56, 85%, 13%)
HSVhsv(56, 92%, 25%)
CMYKcmyk(0%, 6.3%, 92.1%, 75.3%)
CIE-LABlab(24.31, -5.19, 31.02)
CIE-LCHlch(24.31, 31.45, 99.49°)
OKLaboklab(34.57% -0.018 0.0673)
OKLCHoklch(34.57% 0.07 105)
XYZxyz(3.6414, 4.1958, 0.7616)
Luminance0.0420 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3B05 #05093F
analogous
#3F1E05 #3F3B05 #263F05
triadic
#3F3B05 #053F3B #3B053F
tetradic
#3F3B05 #053F1E #05093F #3F0526
square
#3F3B05 #053F1E #05093F #3F0526
split-complementary
#3F3B05 #05263F #1E053F
monochromatic
#1C1B02 #1C1B02 #3F3B05 #787009 #B0A50E

Accessibility & contrast

On white

11.42
#3F3B05 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#3F3B05 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3B05
11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3B05#FFFFFF#000000##FFFFFF
##3F3B051.0011.421.8411.42
#FFFFFF11.421.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#413900
Deuteranopia (green-blind)
#433B09
Tritanopia (blue-blind)
#453631
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #3f3b05;
/* rgb */ color: rgb(63, 59, 5);
/* oklch */ color: oklch(34.6% 0.070 105.0);
Tailwind
colors: {
  custom: {
    50: '#77704b',
    500: '#3f3b05',
    950: '#000000',
  },
}
SCSS
$custom: #3f3b05;
$custom-light: #77704b;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3b05",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 5
  },
  "hsl": {
    "h": 55.862,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.34572,
    "c": 0.06963,
    "h": 105
  },
  "luminance": 0.04196
}

Semantic roles & 50–950 ramp

primary
#3F3B05
secondary
#202780
accent
#3BFC2C
background
#F7F6F4
surface
#EDECE7
border
#C8C7C3
text
#090701
muted
#7B7A77

Preview Lab

Preview with #3F3B05

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3B05 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva