#3F3B05#3F3B05

#3F3B05 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.6% C 0.070 H 105.0°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#3F3B05
RGB	rgb(63, 59, 5)
HSL	hsl(56, 85%, 13%)
HSV	hsv(56, 92%, 25%)
CMYK	cmyk(0%, 6.3%, 92.1%, 75.3%)
CIE-LAB	lab(24.31, -5.19, 31.02)
CIE-LCH	lch(24.31, 31.45, 99.49°)
OKLab	oklab(34.57% -0.018 0.0673)
OKLCH	oklch(34.57% 0.07 105)
XYZ	xyz(3.6414, 4.1958, 0.7616)
Luminance	0.0420 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3B05 #05093F

analogous

#3F1E05 #3F3B05 #263F05

triadic

#3F3B05 #053F3B #3B053F

tetradic

#3F3B05 #053F1E #05093F #3F0526

square

#3F3B05 #053F1E #05093F #3F0526

split-complementary

#3F3B05 #05263F #1E053F

monochromatic

#1C1B02 #1C1B02 #3F3B05 #787009 #B0A50E

Accessibility & contrast

On white

11.42

#3F3B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#3F3B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3B05

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3B05	#FFFFFF	#000000	##FFFFFF
##3F3B05	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413900

Deuteranopia (green-blind)

#433B09

Tritanopia (blue-blind)

#453631

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #3f3b05;
/* rgb */ color: rgb(63, 59, 5);
/* oklch */ color: oklch(34.6% 0.070 105.0);

Tailwind

colors: {
  custom: {
    50: '#77704b',
    500: '#3f3b05',
    950: '#000000',
  },
}

SCSS

$custom: #3f3b05;
$custom-light: #77704b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3b05",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 5
  },
  "hsl": {
    "h": 55.862,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.34572,
    "c": 0.06963,
    "h": 105
  },
  "luminance": 0.04196
}

Semantic roles & 50–950 ramp

primary

#3F3B05

secondary

#202780

accent

#3BFC2C

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F3B05

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

Preview Lab → · Contrast checker → · Palette generator →