#3F3C05#3F3C05

#3F3C05 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.8% C 0.071 H 106.2°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F3C05
RGB	rgb(63, 60, 5)
HSL	hsl(57, 85%, 13%)
HSV	hsv(57, 92%, 25%)
CMYK	cmyk(0%, 4.8%, 92.1%, 75.3%)
CIE-LAB	lab(24.64, -5.81, 31.34)
CIE-LCH	lch(24.64, 31.87, 100.50°)
OKLab	oklab(34.83% -0.0197 0.0679)
OKLCH	oklch(34.83% 0.071 106.2)
XYZ	xyz(3.6933, 4.2996, 0.7789)
Luminance	0.0430 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3C05 #05083F

analogous

#3F1F05 #3F3C05 #253F05

triadic

#3F3C05 #053F3C #3C053F

tetradic

#3F3C05 #053F1F #05083F #3F0525

square

#3F3C05 #053F1F #05083F #3F0525

split-complementary

#3F3C05 #05253F #1F053F

monochromatic

#1C1B02 #1C1B02 #3F3C05 #787209 #B0A80E

Accessibility & contrast

On white

11.29

#3F3C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#3F3C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3C05

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3C05	#FFFFFF	#000000	##FFFFFF
##3F3C05	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423900

Deuteranopia (green-blind)

#433B09

Tritanopia (blue-blind)

#453732

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #3f3c05;
/* rgb */ color: rgb(63, 60, 5);
/* oklch */ color: oklch(34.8% 0.071 106.2);

Tailwind

colors: {
  custom: {
    50: '#77714b',
    500: '#3f3c05',
    950: '#000000',
  },
}

SCSS

$custom: #3f3c05;
$custom-light: #77714b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3c05",
  "rgb": {
    "r": 63,
    "g": 60,
    "b": 5
  },
  "hsl": {
    "h": 56.897,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.34834,
    "c": 0.07069,
    "h": 106.2
  },
  "luminance": 0.04299
}

Semantic roles & 50–950 ramp

primary

#3F3C05

secondary

#202580

accent

#37FC2C

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #3F3C05

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

Preview Lab → · Contrast checker → · Palette generator →