#3F3E04#3F3E04

#3F3E04 is a dark, moderate yellow. Relative luminance 0.045; OKLCH L 35.4% C 0.074 H 108.6°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F3E04
RGB	rgb(63, 62, 4)
HSL	hsl(59, 88%, 13%)
HSV	hsv(59, 94%, 25%)
CMYK	cmyk(0%, 1.6%, 93.7%, 75.3%)
CIE-LAB	lab(25.29, -7.10, 32.37)
CIE-LCH	lch(25.29, 33.14, 102.37°)
OKLab	oklab(35.35% -0.0234 0.0698)
OKLCH	oklch(35.35% 0.074 108.6)
XYZ	xyz(3.7946, 4.5109, 0.7856)
Luminance	0.0451 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3E04 #04053F

analogous

#3F2004 #3F3E04 #223F04

triadic

#3F3E04 #043F3E #3E043F

tetradic

#3F3E04 #043F20 #04053F #3F0422

square

#3F3E04 #043F20 #04053F #3F0422

split-complementary

#3F3E04 #04223F #20043F

monochromatic

#1D1C02 #1D1C02 #3F3E04 #797708 #B2AF0B

Accessibility & contrast

On white

11.04

#3F3E04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3F3E04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3E04

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3E04	#FFFFFF	#000000	##FFFFFF
##3F3E04	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443B00

Deuteranopia (green-blind)

#453D09

Tritanopia (blue-blind)

#443934

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3f3e04;
/* rgb */ color: rgb(63, 62, 4);
/* oklch */ color: oklch(35.4% 0.074 108.6);

Tailwind

colors: {
  custom: {
    50: '#77734b',
    500: '#3f3e04',
    950: '#000000',
  },
}

SCSS

$custom: #3f3e04;
$custom-light: #77734b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3e04",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 4
  },
  "hsl": {
    "h": 58.983,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.35355,
    "c": 0.0736,
    "h": 108.6
  },
  "luminance": 0.04511
}

Semantic roles & 50–950 ramp

primary

#3F3E04

secondary

#1E2080

accent

#2DFE2A

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090801

muted

#7B7B77

Preview Lab

Preview with #3F3E04

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

Preview Lab → · Contrast checker → · Palette generator →