#3F470F#3F470F

#3F470F is a dark, moderate yellow. Relative luminance 0.056; OKLCH L 37.8% C 0.077 H 117.3°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F470F
RGB	rgb(63, 71, 15)
HSL	hsl(69, 65%, 17%)
HSV	hsv(69, 79%, 28%)
CMYK	cmyk(11.3%, 0%, 78.9%, 72.2%)
CIE-LAB	lab(28.37, -11.88, 30.78)
CIE-LCH	lch(28.37, 33.00, 111.10°)
OKLab	oklab(37.85% -0.0355 0.0687)
OKLCH	oklch(37.85% 0.077 117.3)
XYZ	xyz(4.3895, 5.5978, 1.3011)
Luminance	0.0560 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F470F #170F47

analogous

#47330F #3F470F #23470F

triadic

#3F470F #0F3F47 #470F3F

tetradic

#3F470F #0F4733 #170F47 #470F23

square

#3F470F #0F4733 #170F47 #470F23

split-complementary

#3F470F #0F2347 #330F47

monochromatic

#161905 #161905 #3F470F #6C7A1A #99AC24

Accessibility & contrast

On white

9.91

#3F470F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F470F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F470F

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F470F	#FFFFFF	#000000	##FFFFFF
##3F470F	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4306

Deuteranopia (green-blind)

#4C4313

Tritanopia (blue-blind)

#43433C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f470f;
/* rgb */ color: rgb(63, 71, 15);
/* oklch */ color: oklch(37.8% 0.077 117.3);

Tailwind

colors: {
  custom: {
    50: '#767a52',
    500: '#3f470f',
    950: '#000000',
  },
}

SCSS

$custom: #3f470f;
$custom-light: #767a52;
$custom-dark: #000000;

JSON

{
  "hex": "#3f470f",
  "rgb": {
    "r": 63,
    "g": 71,
    "b": 15
  },
  "hsl": {
    "h": 68.571,
    "s": 65.116,
    "l": 16.863
  },
  "oklch": {
    "l": 0.37847,
    "c": 0.07729,
    "h": 117.3
  },
  "luminance": 0.05598
}

Semantic roles & 50–950 ramp

primary

#3F470F

secondary

#3C3081

accent

#40E858

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #3F470F

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

Preview Lab → · Contrast checker → · Palette generator →