#3F3F05#3F3F05

#3F3F05 is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.6% C 0.074 H 109.6°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX#3F3F05
RGBrgb(63, 63, 5)
HSLhsl(60, 85%, 13%)
HSVhsv(60, 92%, 25%)
CMYKcmyk(0%, 0%, 92.1%, 75.3%)
CIE-LABlab(25.63, -7.66, 32.28)
CIE-LCHlch(25.63, 33.18, 103.35°)
OKLaboklab(35.63% -0.0249 0.0697)
OKLCHoklch(35.63% 0.074 109.6)
XYZxyz(3.8550, 4.6229, 0.8328)
Luminance0.0462 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3F05 #05053F
analogous
#3F2205 #3F3F05 #223F05
triadic
#3F3F05 #053F3F #3F053F
tetradic
#3F3F05 #053F22 #05053F #3F0522
square
#3F3F05 #053F22 #05053F #3F0522
split-complementary
#3F3F05 #05223F #22053F
monochromatic
#1C1C02 #1C1C02 #3F3F05 #787809 #B0B00E

Accessibility & contrast

On white

10.91
#3F3F05 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#3F3F05 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3F05
10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3F05#FFFFFF#000000##FFFFFF
##3F3F051.0010.911.9210.91
#FFFFFF10.911.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#453C00
Deuteranopia (green-blind)
#463E0A
Tritanopia (blue-blind)
#443A35
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #3f3f05;
/* rgb */ color: rgb(63, 63, 5);
/* oklch */ color: oklch(35.6% 0.074 109.6);
Tailwind
colors: {
  custom: {
    50: '#77734b',
    500: '#3f3f05',
    950: '#000000',
  },
}
SCSS
$custom: #3f3f05;
$custom-light: #77734b;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3f05",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 5
  },
  "hsl": {
    "h": 60,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.35628,
    "c": 0.07402,
    "h": 109.6
  },
  "luminance": 0.04623
}

Semantic roles & 50–950 ramp

primary
#3F3F05
secondary
#202080
accent
#2CFC2C
background
#F7F6F4
surface
#EDECE7
border
#C8C7C3
text
#090801
muted
#7B7B77

Preview Lab

Preview with #3F3F05

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3F05 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva