#3F470A#3F470A

#3F470A is a dark, moderate yellow. Relative luminance 0.056; OKLCH L 37.8% C 0.081 H 117.1°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F470A
RGB	rgb(63, 71, 10)
HSL	hsl(68, 75%, 16%)
HSV	hsv(68, 86%, 28%)
CMYK	cmyk(11.3%, 0%, 85.9%, 72.2%)
CIE-LAB	lab(28.34, -12.17, 32.75)
CIE-LCH	lch(28.34, 34.94, 110.38°)
OKLab	oklab(37.81% -0.0368 0.0718)
OKLCH	oklch(37.81% 0.081 117.1)
XYZ	xyz(4.3580, 5.5852, 1.1356)
Luminance	0.0558 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F470A #120A47

analogous

#47300A #3F470A #20470A

triadic

#3F470A #0A3F47 #470A3F

tetradic

#3F470A #0A4730 #120A47 #470A20

square

#3F470A #0A4730 #120A47 #470A20

split-complementary

#3F470A #0A2047 #300A47

monochromatic

#181B04 #181B04 #3F470A #6F7D12 #9EB219

Accessibility & contrast

On white

9.92

#3F470A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F470A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F470A

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F470A	#FFFFFF	#000000	##FFFFFF
##3F470A	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4300

Deuteranopia (green-blind)

#4C4310

Tritanopia (blue-blind)

#44423C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f470a;
/* rgb */ color: rgb(63, 71, 10);
/* oklch */ color: oklch(37.8% 0.081 117.1);

Tailwind

colors: {
  custom: {
    50: '#767a4f',
    500: '#3f470a',
    950: '#000000',
  },
}

SCSS

$custom: #3f470a;
$custom-light: #767a4f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f470a",
  "rgb": {
    "r": 63,
    "g": 71,
    "b": 10
  },
  "hsl": {
    "h": 67.869,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.37809,
    "c": 0.08068,
    "h": 117.1
  },
  "luminance": 0.05585
}

Semantic roles & 50–950 ramp

primary

#3F470A

secondary

#352984

accent

#36F24F

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #3F470A

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

Preview Lab → · Contrast checker → · Palette generator →