#3F3907#3F3907

#3F3907 is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 34.1% C 0.066 H 102.1°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F3907
RGB	rgb(63, 57, 7)
HSL	hsl(54, 80%, 14%)
HSV	hsv(54, 89%, 25%)
CMYK	cmyk(0%, 9.5%, 88.9%, 75.3%)
CIE-LAB	lab(23.67, -3.82, 29.57)
CIE-LCH	lch(23.67, 29.81, 97.36°)
OKLab	oklab(34.07% -0.0139 0.0647)
OKLCH	oklch(34.07% 0.066 102.1)
XYZ	xyz(3.5515, 3.9985, 0.7857)
Luminance	0.0400 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3907 #070D3F

analogous

#3F1D07 #3F3907 #293F07

triadic

#3F3907 #073F39 #39073F

tetradic

#3F3907 #073F1D #070D3F #3F0729

square

#3F3907 #073F1D #070D3F #3F0729

split-complementary

#3F3907 #07293F #1D073F

monochromatic

#1C1903 #1C1903 #3F3907 #766B0D #AD9D13

Accessibility & contrast

On white

11.67

#3F3907 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#3F3907 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3907

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3907	#FFFFFF	#000000	##FFFFFF
##3F3907	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3700

Deuteranopia (green-blind)

#41390B

Tritanopia (blue-blind)

#453430

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3f3907;
/* rgb */ color: rgb(63, 57, 7);
/* oklch */ color: oklch(34.1% 0.066 102.1);

Tailwind

colors: {
  custom: {
    50: '#776f4c',
    500: '#3f3907',
    950: '#000000',
  },
}

SCSS

$custom: #3f3907;
$custom-light: #776f4c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3907",
  "rgb": {
    "r": 63,
    "g": 57,
    "b": 7
  },
  "hsl": {
    "h": 53.571,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.34065,
    "c": 0.06613,
    "h": 102.1
  },
  "luminance": 0.03998
}

Semantic roles & 50–950 ramp

primary

#3F3907

secondary

#242D7E

accent

#46F631

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F3907

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

Preview Lab → · Contrast checker → · Palette generator →