#3F3904#3F3904

#3F3904 is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 34.0% C 0.068 H 102.5°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F3904
RGB	rgb(63, 57, 4)
HSL	hsl(54, 88%, 13%)
HSV	hsv(54, 94%, 25%)
CMYK	cmyk(0%, 9.5%, 93.7%, 75.3%)
CIE-LAB	lab(23.64, -3.98, 30.77)
CIE-LCH	lch(23.64, 31.02, 97.37°)
OKLab	oklab(34.04% -0.0148 0.0668)
OKLCH	oklch(34.04% 0.068 102.5)
XYZ	xyz(3.5351, 3.9919, 0.6992)
Luminance	0.0399 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3904 #040A3F

analogous

#3F1B04 #3F3904 #273F04

triadic

#3F3904 #043F39 #39043F

tetradic

#3F3904 #043F1B #040A3F #3F0427

square

#3F3904 #043F1B #040A3F #3F0427

split-complementary

#3F3904 #04273F #1B043F

monochromatic

#1D1A02 #1D1A02 #3F3904 #796D08 #B2A10B

Accessibility & contrast

On white

11.68

#3F3904 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#3F3904 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3904

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3904	#FFFFFF	#000000	##FFFFFF
##3F3904	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3700

Deuteranopia (green-blind)

#413908

Tritanopia (blue-blind)

#45342F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3f3904;
/* rgb */ color: rgb(63, 57, 4);
/* oklch */ color: oklch(34.0% 0.068 102.5);

Tailwind

colors: {
  custom: {
    50: '#776f4a',
    500: '#3f3904',
    950: '#000000',
  },
}

SCSS

$custom: #3f3904;
$custom-light: #776f4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3904",
  "rgb": {
    "r": 63,
    "g": 57,
    "b": 4
  },
  "hsl": {
    "h": 53.898,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.34041,
    "c": 0.06837,
    "h": 102.5
  },
  "luminance": 0.03992
}

Semantic roles & 50–950 ramp

primary

#3F3904

secondary

#1E2880

accent

#3FFE2A

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F3904

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

Preview Lab → · Contrast checker → · Palette generator →