#3F430D#3F430D

#3F430D is a dark, moderate yellow. Relative luminance 0.051; OKLCH L 36.8% C 0.073 H 113.7°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#3F430D
RGB	rgb(63, 67, 13)
HSL	hsl(64, 68%, 16%)
HSV	hsv(64, 81%, 26%)
CMYK	cmyk(6%, 0%, 80.6%, 73.7%)
CIE-LAB	lab(27.02, -9.64, 30.32)
CIE-LCH	lch(27.02, 31.82, 107.65°)
OKLab	oklab(36.75% -0.0295 0.0673)
OKLCH	oklch(36.75% 0.073 113.7)
XYZ	xyz(4.1298, 5.1002, 1.1476)
Luminance	0.0510 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F430D #110D43

analogous

#432C0D #3F430D #24430D

triadic

#3F430D #0D3F43 #430D3F

tetradic

#3F430D #0D432C #110D43 #430D24

square

#3F430D #0D432C #110D43 #430D24

split-complementary

#3F430D #0D2443 #2C0D43

monochromatic

#181A05 #181A05 #3F430D #6F7617 #9FAA21

Accessibility & contrast

On white

10.40

#3F430D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3F430D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F430D

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F430D	#FFFFFF	#000000	##FFFFFF
##3F430D	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#493F04

Deuteranopia (green-blind)

#484011

Tritanopia (blue-blind)

#443F39

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f430d;
/* rgb */ color: rgb(63, 67, 13);
/* oklch */ color: oklch(36.8% 0.073 113.7);

Tailwind

colors: {
  custom: {
    50: '#767750',
    500: '#3f430d',
    950: '#000000',
  },
}

SCSS

$custom: #3f430d;
$custom-light: #767750;
$custom-dark: #000000;

JSON

{
  "hex": "#3f430d",
  "rgb": {
    "r": 63,
    "g": 67,
    "b": 13
  },
  "hsl": {
    "h": 64.444,
    "s": 67.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.36754,
    "c": 0.07346,
    "h": 113.7
  },
  "luminance": 0.051
}

Semantic roles & 50–950 ramp

primary

#3F430D

secondary

#332D7E

accent

#3DEA4A

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3F430D

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

Preview Lab → · Contrast checker → · Palette generator →