#3F3B04#3F3B04

#3F3B04 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.6% C 0.070 H 105.1°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX#3F3B04
RGBrgb(63, 59, 4)
HSLhsl(56, 88%, 13%)
HSVhsv(56, 94%, 25%)
CMYKcmyk(0%, 6.3%, 93.7%, 75.3%)
CIE-LABlab(24.30, -5.24, 31.42)
CIE-LCHlch(24.30, 31.85, 99.47°)
OKLaboklab(34.56% -0.0183 0.068)
OKLCHoklch(34.56% 0.07 105.1)
XYZxyz(3.6359, 4.1936, 0.7328)
Luminance0.0419 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3B04 #04083F
analogous
#3F1D04 #3F3B04 #253F04
triadic
#3F3B04 #043F3B #3B043F
tetradic
#3F3B04 #043F1D #04083F #3F0425
square
#3F3B04 #043F1D #04083F #3F0425
split-complementary
#3F3B04 #04253F #1D043F
monochromatic
#1D1B02 #1D1B02 #3F3B04 #797108 #B2A70B

Accessibility & contrast

On white

11.42
#3F3B04 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#3F3B04 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3B04
11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3B04#FFFFFF#000000##FFFFFF
##3F3B041.0011.421.8411.42
#FFFFFF11.421.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#413800
Deuteranopia (green-blind)
#433B08
Tritanopia (blue-blind)
#453631
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #3f3b04;
/* rgb */ color: rgb(63, 59, 4);
/* oklch */ color: oklch(34.6% 0.070 105.1);
Tailwind
colors: {
  custom: {
    50: '#77704a',
    500: '#3f3b04',
    950: '#000000',
  },
}
SCSS
$custom: #3f3b04;
$custom-light: #77704a;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3b04",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 4
  },
  "hsl": {
    "h": 55.932,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.34564,
    "c": 0.07038,
    "h": 105.1
  },
  "luminance": 0.04193
}

Semantic roles & 50–950 ramp

primary
#3F3B04
secondary
#1E2580
accent
#38FE2A
background
#F7F6F4
surface
#EDECE7
border
#C8C7C3
text
#090701
muted
#7B7A77

Preview Lab

Preview with #3F3B04

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3B04 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva