#3F3C04#3F3C04

#3F3C04 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.8% C 0.071 H 106.3°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F3C04
RGB	rgb(63, 60, 4)
HSL	hsl(57, 88%, 13%)
HSV	hsv(57, 94%, 25%)
CMYK	cmyk(0%, 4.8%, 93.7%, 75.3%)
CIE-LAB	lab(24.63, -5.86, 31.74)
CIE-LCH	lch(24.63, 32.28, 100.47°)
OKLab	oklab(34.83% -0.02 0.0686)
OKLCH	oklch(34.83% 0.071 106.3)
XYZ	xyz(3.6878, 4.2974, 0.7501)
Luminance	0.0430 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3C04 #04073F

analogous

#3F1E04 #3F3C04 #243F04

triadic

#3F3C04 #043F3C #3C043F

tetradic

#3F3C04 #043F1E #04073F #3F0424

square

#3F3C04 #043F1E #04073F #3F0424

split-complementary

#3F3C04 #04243F #1E043F

monochromatic

#1D1B02 #1D1B02 #3F3C04 #797308 #B2AA0B

Accessibility & contrast

On white

11.29

#3F3C04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#3F3C04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3C04

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3C04	#FFFFFF	#000000	##FFFFFF
##3F3C04	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423900

Deuteranopia (green-blind)

#433B08

Tritanopia (blue-blind)

#453732

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #3f3c04;
/* rgb */ color: rgb(63, 60, 4);
/* oklch */ color: oklch(34.8% 0.071 106.3);

Tailwind

colors: {
  custom: {
    50: '#77714a',
    500: '#3f3c04',
    950: '#000000',
  },
}

SCSS

$custom: #3f3c04;
$custom-light: #77714a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3c04",
  "rgb": {
    "r": 63,
    "g": 60,
    "b": 4
  },
  "hsl": {
    "h": 56.949,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.34826,
    "c": 0.07142,
    "h": 106.3
  },
  "luminance": 0.04297
}

Semantic roles & 50–950 ramp

primary

#3F3C04

secondary

#1E2380

accent

#34FE2A

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F3C04

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

Preview Lab → · Contrast checker → · Palette generator →