#3F3B04#3F3B04

#3F3B04 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.6% C 0.070 H 105.1°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#3F3B04
RGB	rgb(63, 59, 4)
HSL	hsl(56, 88%, 13%)
HSV	hsv(56, 94%, 25%)
CMYK	cmyk(0%, 6.3%, 93.7%, 75.3%)
CIE-LAB	lab(24.30, -5.24, 31.42)
CIE-LCH	lch(24.30, 31.85, 99.47°)
OKLab	oklab(34.56% -0.0183 0.068)
OKLCH	oklch(34.56% 0.07 105.1)
XYZ	xyz(3.6359, 4.1936, 0.7328)
Luminance	0.0419 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3B04 #04083F

analogous

#3F1D04 #3F3B04 #253F04

triadic

#3F3B04 #043F3B #3B043F

tetradic

#3F3B04 #043F1D #04083F #3F0425

square

#3F3B04 #043F1D #04083F #3F0425

split-complementary

#3F3B04 #04253F #1D043F

monochromatic

#1D1B02 #1D1B02 #3F3B04 #797108 #B2A70B

Accessibility & contrast

On white

11.42

#3F3B04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#3F3B04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3B04

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3B04	#FFFFFF	#000000	##FFFFFF
##3F3B04	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413800

Deuteranopia (green-blind)

#433B08

Tritanopia (blue-blind)

#453631

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #3f3b04;
/* rgb */ color: rgb(63, 59, 4);
/* oklch */ color: oklch(34.6% 0.070 105.1);

Tailwind

colors: {
  custom: {
    50: '#77704a',
    500: '#3f3b04',
    950: '#000000',
  },
}

SCSS

$custom: #3f3b04;
$custom-light: #77704a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3b04",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 4
  },
  "hsl": {
    "h": 55.932,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.34564,
    "c": 0.07038,
    "h": 105.1
  },
  "luminance": 0.04193
}

Semantic roles & 50–950 ramp

primary

#3F3B04

secondary

#1E2580

accent

#38FE2A

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F3B04

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

Preview Lab → · Contrast checker → · Palette generator →