#3F3F09#3F3F09

#3F3F09 is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.7% C 0.071 H 109.5°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F3F09
RGB	rgb(63, 63, 9)
HSL	hsl(60, 75%, 14%)
HSV	hsv(60, 86%, 25%)
CMYK	cmyk(0%, 0%, 85.7%, 75.3%)
CIE-LAB	lab(25.66, -7.45, 30.68)
CIE-LCH	lch(25.66, 31.57, 103.64°)
OKLab	oklab(35.66% -0.0238 0.0672)
OKLCH	oklch(35.66% 0.071 109.5)
XYZ	xyz(3.8769, 4.6316, 0.9482)
Luminance	0.0463 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3F09 #09093F

analogous

#3F2409 #3F3F09 #243F09

triadic

#3F3F09 #093F3F #3F093F

tetradic

#3F3F09 #093F24 #09093F #3F0924

square

#3F3F09 #093F24 #09093F #3F0924

split-complementary

#3F3F09 #09243F #24093F

monochromatic

#1B1B04 #1B1B04 #3F3F09 #757511 #AAAA18

Accessibility & contrast

On white

10.90

#3F3F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3F3F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3F09

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3F09	#FFFFFF	#000000	##FFFFFF
##3F3F09	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C01

Deuteranopia (green-blind)

#463E0D

Tritanopia (blue-blind)

#443A35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3f3f09;
/* rgb */ color: rgb(63, 63, 9);
/* oklch */ color: oklch(35.7% 0.071 109.5);

Tailwind

colors: {
  custom: {
    50: '#76734d',
    500: '#3f3f09',
    950: '#000000',
  },
}

SCSS

$custom: #3f3f09;
$custom-light: #76734d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3f09",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 9
  },
  "hsl": {
    "h": 60,
    "s": 75,
    "l": 14.118
  },
  "oklch": {
    "l": 0.35657,
    "c": 0.07127,
    "h": 109.5
  },
  "luminance": 0.04631
}

Semantic roles & 50–950 ramp

primary

#3F3F09

secondary

#27277D

accent

#36F236

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090801

muted

#7B7B77

Preview Lab

Preview with #3F3F09

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

Preview Lab → · Contrast checker → · Palette generator →