#3F490A#3F490A

#3F490A is a dark, moderate yellow. Relative luminance 0.058; OKLCH L 38.4% C 0.083 H 118.7°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX#3F490A
RGBrgb(63, 73, 10)
HSLhsl(70, 76%, 16%)
HSVhsv(70, 86%, 29%)
CMYKcmyk(13.7%, 0%, 86.3%, 71.4%)
CIE-LABlab(29.01, -13.32, 33.37)
CIE-LCHlch(29.01, 35.93, 111.76°)
OKLaboklab(38.35% -0.04 0.0731)
OKLCHoklch(38.35% 0.083 118.7)
XYZxyz(4.4873, 5.8438, 1.1787)
Luminance0.0584 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F490A #140A49
analogous
#49340A #3F490A #20490A
triadic
#3F490A #0A3F49 #490A3F
tetradic
#3F490A #0A4934 #140A49 #490A20
square
#3F490A #0A4934 #140A49 #490A20
split-complementary
#3F490A #0A2049 #340A49
monochromatic
#171B04 #171B04 #3F490A #6D7F11 #9CB519

Accessibility & contrast

On white

9.68
#3F490A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.17
#3F490A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F490A
9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F490A#FFFFFF#000000##FFFFFF
##3F490A1.009.682.179.68
#FFFFFF9.681.0021.001.00
#0000002.1721.001.0021.00
##FFFFFF9.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E4400
Deuteranopia (green-blind)
#4D4510
Tritanopia (blue-blind)
#43443D
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #3f490a;
/* rgb */ color: rgb(63, 73, 10);
/* oklch */ color: oklch(38.4% 0.083 118.7);
Tailwind
colors: {
  custom: {
    50: '#767b4f',
    500: '#3f490a',
    950: '#000000',
  },
}
SCSS
$custom: #3f490a;
$custom-light: #767b4f;
$custom-dark: #000000;
JSON
{
  "hex": "#3f490a",
  "rgb": {
    "r": 63,
    "g": 73,
    "b": 10
  },
  "hsl": {
    "h": 69.524,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.38352,
    "c": 0.08331,
    "h": 118.7
  },
  "luminance": 0.05844
}

Semantic roles & 50–950 ramp

primary
#3F490A
secondary
#382986
accent
#35F253
background
#F7F7F4
surface
#EDEDE7
border
#C8C8C3
text
#090902
muted
#7B7B78

Preview Lab

Preview with #3F490A

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

Preview Lab → · Contrast checker → · Palette generator →

#3F490A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva