#3F3F10#3F3F10

#3F3F10 is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.7% C 0.066 H 109.3°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX#3F3F10
RGBrgb(63, 63, 16)
HSLhsl(60, 59%, 15%)
HSVhsv(60, 75%, 25%)
CMYKcmyk(0%, 0%, 74.6%, 75.3%)
CIE-LABlab(25.71, -7.02, 27.64)
CIE-LCHlch(25.71, 28.52, 104.26°)
OKLaboklab(35.72% -0.0218 0.0622)
OKLCHoklch(35.72% 0.066 109.3)
XYZxyz(3.9211, 4.6493, 1.1810)
Luminance0.0465 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3F10 #10103F
analogous
#3F2710 #3F3F10 #273F10
triadic
#3F3F10 #103F3F #3F103F
tetradic
#3F3F10 #103F27 #10103F #3F1027
square
#3F3F10 #103F27 #10103F #3F1027
split-complementary
#3F3F10 #10273F #27103F
monochromatic
#181806 #181806 #3F3F10 #70701C #A1A129

Accessibility & contrast

On white

10.88
#3F3F10 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#3F3F10 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3F10
10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3F10#FFFFFF#000000##FFFFFF
##3F3F101.0010.881.9310.88
#FFFFFF10.881.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#453C09
Deuteranopia (green-blind)
#453E13
Tritanopia (blue-blind)
#443B35
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #3f3f10;
/* rgb */ color: rgb(63, 63, 16);
/* oklch */ color: oklch(35.7% 0.066 109.3);
Tailwind
colors: {
  custom: {
    50: '#767351',
    500: '#3f3f10',
    950: '#000000',
  },
}
SCSS
$custom: #3f3f10;
$custom-light: #767351;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3f10",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 16
  },
  "hsl": {
    "h": 60,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.35716,
    "c": 0.06594,
    "h": 109.3
  },
  "luminance": 0.04649
}

Semantic roles & 50–950 ramp

primary
#3F3F10
secondary
#323279
accent
#45E345
background
#F7F7F4
surface
#EDEDE7
border
#C8C8C3
text
#090802
muted
#7B7B78

Preview Lab

Preview with #3F3F10

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3F10 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva