#3F3D0B#3F3D0B

#3F3D0B is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.1% C 0.068 H 107.1°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F3D0B
RGB	rgb(63, 61, 11)
HSL	hsl(58, 70%, 15%)
HSV	hsv(58, 83%, 25%)
CMYK	cmyk(0%, 3.2%, 82.5%, 75.3%)
CIE-LAB	lab(25.01, -6.11, 29.24)
CIE-LCH	lch(25.01, 29.87, 101.80°)
OKLab	oklab(35.14% -0.0198 0.0646)
OKLCH	oklch(35.14% 0.068 107.1)
XYZ	xyz(3.7792, 4.4185, 0.9703)
Luminance	0.0442 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3D0B #0B0D3F

analogous

#3F230B #3F3D0B #273F0B

triadic

#3F3D0B #0B3F3D #3D0B3F

tetradic

#3F3D0B #0B3F23 #0B0D3F #3F0B27

square

#3F3D0B #0B3F23 #0B0D3F #3F0B27

split-complementary

#3F3D0B #0B273F #230B3F

monochromatic

#1A1905 #1A1905 #3F3D0B #736F14 #A7A21D

Accessibility & contrast

On white

11.15

#3F3D0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#3F3D0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3D0B

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3D0B	#FFFFFF	#000000	##FFFFFF
##3F3D0B	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433A04

Deuteranopia (green-blind)

#443C0F

Tritanopia (blue-blind)

#443833

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3f3d0b;
/* rgb */ color: rgb(63, 61, 11);
/* oklch */ color: oklch(35.1% 0.068 107.1);

Tailwind

colors: {
  custom: {
    50: '#76724e',
    500: '#3f3d0b',
    950: '#000000',
  },
}

SCSS

$custom: #3f3d0b;
$custom-light: #76724e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3d0b",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 11
  },
  "hsl": {
    "h": 57.692,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.35143,
    "c": 0.06755,
    "h": 107.1
  },
  "luminance": 0.04418
}

Semantic roles & 50–950 ramp

primary

#3F3D0B

secondary

#2A2D7C

accent

#42ED3B

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #3F3D0B

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

Preview Lab → · Contrast checker → · Palette generator →