#3F4100#3F4100

#3F4100 is a dark, moderate yellow. Relative luminance 0.048; OKLCH L 36.1% C 0.080 H 111.7°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F4100
RGB	rgb(63, 65, 0)
HSL	hsl(62, 100%, 13%)
HSV	hsv(62, 100%, 25%)
CMYK	cmyk(3.1%, 0%, 100%, 74.5%)
CIE-LAB	lab(26.27, -9.14, 34.90)
CIE-LCH	lch(26.27, 36.08, 104.67°)
OKLab	oklab(36.13% -0.0296 0.0741)
OKLCH	oklch(36.13% 0.08 111.7)
XYZ	xyz(3.9403, 4.8375, 0.7262)
Luminance	0.0484 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4100 #020041

analogous

#412200 #3F4100 #1E4100

triadic

#3F4100 #003F41 #41003F

tetradic

#3F4100 #004122 #020041 #41001E

square

#3F4100 #004122 #020041 #41001E

split-complementary

#3F4100 #001E41 #220041

monochromatic

#1E1F00 #1E1F00 #3F4100 #7A7E00 #B6BB00

Accessibility & contrast

On white

10.67

#3F4100 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3F4100 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4100

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4100	#FFFFFF	#000000	##FFFFFF
##3F4100	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473D00

Deuteranopia (green-blind)

#473F06

Tritanopia (blue-blind)

#443C36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f4100;
/* rgb */ color: rgb(63, 65, 0);
/* oklch */ color: oklch(36.1% 0.080 111.7);

Tailwind

colors: {
  custom: {
    50: '#777549',
    500: '#3f4100',
    950: '#000000',
  },
}

SCSS

$custom: #3f4100;
$custom-light: #777549;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4100",
  "rgb": {
    "r": 63,
    "g": 65,
    "b": 0
  },
  "hsl": {
    "h": 61.846,
    "s": 100,
    "l": 12.745
  },
  "oklch": {
    "l": 0.36125,
    "c": 0.07982,
    "h": 111.7
  },
  "luminance": 0.04837
}

Semantic roles & 50–950 ramp

primary

#3F4100

secondary

#1B1885

accent

#29FF2F

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090801

muted

#7B7B77

Preview Lab

Preview with #3F4100

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

Preview Lab → · Contrast checker → · Palette generator →