#3F4309#3F4309

#3F4309 is a dark, moderate yellow. Relative luminance 0.051; OKLCH L 36.7% C 0.076 H 113.6°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#3F4309
RGB	rgb(63, 67, 9)
HSL	hsl(64, 76%, 15%)
HSV	hsv(64, 87%, 26%)
CMYK	cmyk(6%, 0%, 86.6%, 73.7%)
CIE-LAB	lab(26.99, -9.86, 31.90)
CIE-LCH	lch(26.99, 33.39, 107.18°)
OKLab	oklab(36.72% -0.0305 0.0698)
OKLCH	oklch(36.72% 0.076 113.6)
XYZ	xyz(4.1065, 5.0909, 1.0247)
Luminance	0.0509 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4309 #0D0943

analogous

#432A09 #3F4309 #224309

triadic

#3F4309 #093F43 #43093F

tetradic

#3F4309 #09432A #0D0943 #430922

square

#3F4309 #09432A #0D0943 #430922

split-complementary

#3F4309 #092243 #2A0943

monochromatic

#191B04 #191B04 #3F4309 #727910 #A4AF17

Accessibility & contrast

On white

10.41

#3F4309 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3F4309 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4309

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4309	#FFFFFF	#000000	##FFFFFF
##3F4309	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#493F00

Deuteranopia (green-blind)

#49400E

Tritanopia (blue-blind)

#443E38

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f4309;
/* rgb */ color: rgb(63, 67, 9);
/* oklch */ color: oklch(36.7% 0.076 113.6);

Tailwind

colors: {
  custom: {
    50: '#76774e',
    500: '#3f4309',
    950: '#000000',
  },
}

SCSS

$custom: #3f4309;
$custom-light: #76774e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4309",
  "rgb": {
    "r": 63,
    "g": 67,
    "b": 9
  },
  "hsl": {
    "h": 64.138,
    "s": 76.316,
    "l": 14.902
  },
  "oklch": {
    "l": 0.36724,
    "c": 0.07616,
    "h": 113.6
  },
  "luminance": 0.05091
}

Semantic roles & 50–950 ramp

primary

#3F4309

secondary

#2D2781

accent

#35F342

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3F4309

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

Preview Lab → · Contrast checker → · Palette generator →