#3F3909#3F3909

#3F3909 is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 34.1% C 0.065 H 101.9°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F3909
RGB	rgb(63, 57, 9)
HSL	hsl(53, 75%, 14%)
HSV	hsv(53, 86%, 25%)
CMYK	cmyk(0%, 9.5%, 85.7%, 75.3%)
CIE-LAB	lab(23.68, -3.71, 28.77)
CIE-LCH	lch(23.68, 29.00, 97.35°)
OKLab	oklab(34.08% -0.0133 0.0633)
OKLCH	oklch(34.08% 0.065 101.9)
XYZ	xyz(3.5625, 4.0029, 0.8434)
Luminance	0.0400 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3909 #090F3F

analogous

#3F1E09 #3F3909 #2A3F09

triadic

#3F3909 #093F39 #39093F

tetradic

#3F3909 #093F1E #090F3F #3F092A

square

#3F3909 #093F1E #090F3F #3F092A

split-complementary

#3F3909 #092A3F #1E093F

monochromatic

#1B1804 #1B1804 #3F3909 #756911 #AA9A18

Accessibility & contrast

On white

11.66

#3F3909 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#3F3909 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3909

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3909	#FFFFFF	#000000	##FFFFFF
##3F3909	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3702

Deuteranopia (green-blind)

#41390C

Tritanopia (blue-blind)

#453430

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3f3909;
/* rgb */ color: rgb(63, 57, 9);
/* oklch */ color: oklch(34.1% 0.065 101.9);

Tailwind

colors: {
  custom: {
    50: '#766f4d',
    500: '#3f3909',
    950: '#000000',
  },
}

SCSS

$custom: #3f3909;
$custom-light: #766f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3909",
  "rgb": {
    "r": 63,
    "g": 57,
    "b": 9
  },
  "hsl": {
    "h": 53.333,
    "s": 75,
    "l": 14.118
  },
  "oklch": {
    "l": 0.34082,
    "c": 0.06466,
    "h": 101.9
  },
  "luminance": 0.04003
}

Semantic roles & 50–950 ramp

primary

#3F3909

secondary

#27307D

accent

#4BF236

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F3909

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

Preview Lab → · Contrast checker → · Palette generator →