#3F3804#3F3804

#3F3804 is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 33.8% C 0.067 H 101.1°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F3804
RGB	rgb(63, 56, 4)
HSL	hsl(53, 88%, 13%)
HSV	hsv(53, 94%, 25%)
CMYK	cmyk(0%, 11.1%, 93.7%, 75.3%)
CIE-LAB	lab(23.32, -3.35, 30.44)
CIE-LCH	lch(23.32, 30.62, 96.27°)
OKLab	oklab(33.78% -0.013 0.0662)
OKLCH	oklch(33.78% 0.067 101.1)
XYZ	xyz(3.4862, 3.8940, 0.6828)
Luminance	0.0389 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3804 #040B3F

analogous

#3F1A04 #3F3804 #283F04

triadic

#3F3804 #043F38 #38043F

tetradic

#3F3804 #043F1A #040B3F #3F0428

square

#3F3804 #043F1A #040B3F #3F0428

split-complementary

#3F3804 #04283F #1A043F

monochromatic

#1D1A02 #1D1A02 #3F3804 #796B08 #B29E0B

Accessibility & contrast

On white

11.81

#3F3804 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#3F3804 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3804

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3804	#FFFFFF	#000000	##FFFFFF
##3F3804	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3600

Deuteranopia (green-blind)

#403908

Tritanopia (blue-blind)

#45332F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3f3804;
/* rgb */ color: rgb(63, 56, 4);
/* oklch */ color: oklch(33.8% 0.067 101.1);

Tailwind

colors: {
  custom: {
    50: '#776e4a',
    500: '#3f3804',
    950: '#000000',
  },
}

SCSS

$custom: #3f3804;
$custom-light: #776e4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3804",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 4
  },
  "hsl": {
    "h": 52.881,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.33782,
    "c": 0.06743,
    "h": 101.1
  },
  "luminance": 0.03894
}

Semantic roles & 50–950 ramp

primary

#3F3804

secondary

#1E2A80

accent

#43FE2A

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F3804

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

Preview Lab → · Contrast checker → · Palette generator →