#3F3D05#3F3D05

#3F3D05 is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.1% C 0.072 H 107.4°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F3D05
RGB	rgb(63, 61, 5)
HSL	hsl(58, 85%, 13%)
HSV	hsv(58, 92%, 25%)
CMYK	cmyk(0%, 3.2%, 92.1%, 75.3%)
CIE-LAB	lab(24.97, -6.43, 31.66)
CIE-LCH	lch(24.97, 32.30, 101.48°)
OKLab	oklab(35.1% -0.0215 0.0685)
OKLCH	oklch(35.1% 0.072 107.4)
XYZ	xyz(3.7462, 4.4053, 0.7965)
Luminance	0.0440 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3D05 #05073F

analogous

#3F2005 #3F3D05 #243F05

triadic

#3F3D05 #053F3D #3D053F

tetradic

#3F3D05 #053F20 #05073F #3F0524

square

#3F3D05 #053F20 #05073F #3F0524

split-complementary

#3F3D05 #05243F #20053F

monochromatic

#1C1B02 #1C1B02 #3F3D05 #787409 #B0AB0E

Accessibility & contrast

On white

11.16

#3F3D05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#3F3D05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3D05

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3D05	#FFFFFF	#000000	##FFFFFF
##3F3D05	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433A00

Deuteranopia (green-blind)

#443C0A

Tritanopia (blue-blind)

#443833

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3f3d05;
/* rgb */ color: rgb(63, 61, 5);
/* oklch */ color: oklch(35.1% 0.072 107.4);

Tailwind

colors: {
  custom: {
    50: '#77724b',
    500: '#3f3d05',
    950: '#000000',
  },
}

SCSS

$custom: #3f3d05;
$custom-light: #77724b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3d05",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 5
  },
  "hsl": {
    "h": 57.931,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.35098,
    "c": 0.07177,
    "h": 107.4
  },
  "luminance": 0.04405
}

Semantic roles & 50–950 ramp

primary

#3F3D05

secondary

#202380

accent

#33FC2C

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F3D05

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

Preview Lab → · Contrast checker → · Palette generator →