#3F3F10#3F3F10

#3F3F10 is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.7% C 0.066 H 109.3°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#3F3F10
RGB	rgb(63, 63, 16)
HSL	hsl(60, 59%, 15%)
HSV	hsv(60, 75%, 25%)
CMYK	cmyk(0%, 0%, 74.6%, 75.3%)
CIE-LAB	lab(25.71, -7.02, 27.64)
CIE-LCH	lch(25.71, 28.52, 104.26°)
OKLab	oklab(35.72% -0.0218 0.0622)
OKLCH	oklch(35.72% 0.066 109.3)
XYZ	xyz(3.9211, 4.6493, 1.1810)
Luminance	0.0465 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3F10 #10103F

analogous

#3F2710 #3F3F10 #273F10

triadic

#3F3F10 #103F3F #3F103F

tetradic

#3F3F10 #103F27 #10103F #3F1027

square

#3F3F10 #103F27 #10103F #3F1027

split-complementary

#3F3F10 #10273F #27103F

monochromatic

#181806 #181806 #3F3F10 #70701C #A1A129

Accessibility & contrast

On white

10.88

#3F3F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3F3F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3F10

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3F10	#FFFFFF	#000000	##FFFFFF
##3F3F10	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C09

Deuteranopia (green-blind)

#453E13

Tritanopia (blue-blind)

#443B35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3f3f10;
/* rgb */ color: rgb(63, 63, 16);
/* oklch */ color: oklch(35.7% 0.066 109.3);

Tailwind

colors: {
  custom: {
    50: '#767351',
    500: '#3f3f10',
    950: '#000000',
  },
}

SCSS

$custom: #3f3f10;
$custom-light: #767351;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3f10",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 16
  },
  "hsl": {
    "h": 60,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.35716,
    "c": 0.06594,
    "h": 109.3
  },
  "luminance": 0.04649
}

Semantic roles & 50–950 ramp

primary

#3F3F10

secondary

#323279

accent

#45E345

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3F3F10

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

Preview Lab → · Contrast checker → · Palette generator →