#3F430E#3F430E

#3F430E 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 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#3F430E
RGB	rgb(63, 67, 14)
HSL	hsl(65, 65%, 16%)
HSV	hsv(65, 79%, 26%)
CMYK	cmyk(6%, 0%, 79.1%, 73.7%)
CIE-LAB	lab(27.03, -9.58, 29.89)
CIE-LCH	lch(27.03, 31.39, 107.78°)
OKLab	oklab(36.76% -0.0292 0.0666)
OKLCH	oklch(36.76% 0.073 113.7)
XYZ	xyz(4.1364, 5.1029, 1.1824)
Luminance	0.0510 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F430E #120E43

analogous

#432C0E #3F430E #24430E

triadic

#3F430E #0E3F43 #430E3F

tetradic

#3F430E #0E432C #120E43 #430E24

square

#3F430E #0E432C #120E43 #430E24

split-complementary

#3F430E #0E2443 #2C0E43

monochromatic

#181905 #181905 #3F430E #6F7619 #9EA823

Accessibility & contrast

On white

10.39

#3F430E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3F430E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F430E

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F430E	#FFFFFF	#000000	##FFFFFF
##3F430E	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#493F06

Deuteranopia (green-blind)

#484012

Tritanopia (blue-blind)

#443F39

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f430e;
/* rgb */ color: rgb(63, 67, 14);
/* oklch */ color: oklch(36.8% 0.073 113.7);

Tailwind

colors: {
  custom: {
    50: '#767751',
    500: '#3f430e',
    950: '#000000',
  },
}

SCSS

$custom: #3f430e;
$custom-light: #767751;
$custom-dark: #000000;

JSON

{
  "hex": "#3f430e",
  "rgb": {
    "r": 63,
    "g": 67,
    "b": 14
  },
  "hsl": {
    "h": 64.528,
    "s": 65.432,
    "l": 15.882
  },
  "oklch": {
    "l": 0.36762,
    "c": 0.07271,
    "h": 113.7
  },
  "luminance": 0.05103
}

Semantic roles & 50–950 ramp

primary

#3F430E

secondary

#352F7E

accent

#3FE84C

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3F430E

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

Preview Lab → · Contrast checker → · Palette generator →