#3F3A04#3F3A04

#3F3A04 is a dark, moderate yellow. Relative luminance 0.041; OKLCH L 34.3% C 0.069 H 103.8°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F3A04
RGB	rgb(63, 58, 4)
HSL	hsl(55, 88%, 13%)
HSV	hsv(55, 94%, 25%)
CMYK	cmyk(0%, 7.9%, 93.7%, 75.3%)
CIE-LAB	lab(23.97, -4.61, 31.09)
CIE-LCH	lch(23.97, 31.43, 98.44°)
OKLab	oklab(34.3% -0.0165 0.0674)
OKLCH	oklch(34.3% 0.069 103.8)
XYZ	xyz(3.5850, 4.0918, 0.7158)
Luminance	0.0409 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3A04 #04093F

analogous

#3F1C04 #3F3A04 #263F04

triadic

#3F3A04 #043F3A #3A043F

tetradic

#3F3A04 #043F1C #04093F #3F0426

square

#3F3A04 #043F1C #04093F #3F0426

split-complementary

#3F3A04 #04263F #1C043F

monochromatic

#1D1A02 #1D1A02 #3F3A04 #796F08 #B2A40B

Accessibility & contrast

On white

11.55

#3F3A04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#3F3A04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3A04

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3A04	#FFFFFF	#000000	##FFFFFF
##3F3A04	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403800

Deuteranopia (green-blind)

#423A08

Tritanopia (blue-blind)

#453530

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #3f3a04;
/* rgb */ color: rgb(63, 58, 4);
/* oklch */ color: oklch(34.3% 0.069 103.8);

Tailwind

colors: {
  custom: {
    50: '#776f4a',
    500: '#3f3a04',
    950: '#000000',
  },
}

SCSS

$custom: #3f3a04;
$custom-light: #776f4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3a04",
  "rgb": {
    "r": 63,
    "g": 58,
    "b": 4
  },
  "hsl": {
    "h": 54.915,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.34302,
    "c": 0.06936,
    "h": 103.8
  },
  "luminance": 0.04092
}

Semantic roles & 50–950 ramp

primary

#3F3A04

secondary

#1E2780

accent

#3CFE2A

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F3A04

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

Preview Lab → · Contrast checker → · Palette generator →