#3F3403#3F3403

#3F3403 is a dark, moderate yellow. Relative luminance 0.035; OKLCH L 32.7% C 0.065 H 95.4°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#3F3403
RGB	rgb(63, 52, 3)
HSL	hsl(49, 91%, 13%)
HSV	hsv(49, 95%, 25%)
CMYK	cmyk(0%, 17.5%, 95.2%, 75.3%)
CIE-LAB	lab(22.01, -0.83, 29.49)
CIE-LCH	lch(22.01, 29.50, 91.62°)
OKLab	oklab(32.75% -0.0061 0.0646)
OKLCH	oklch(32.75% 0.065 95.4)
XYZ	xyz(3.2945, 3.5195, 0.5919)
Luminance	0.0352 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3403 #030E3F

analogous

#3F1603 #3F3403 #2C3F03

triadic

#3F3403 #033F34 #34033F

tetradic

#3F3403 #033F16 #030E3F #3F032C

square

#3F3403 #033F16 #030E3F #3F032C

split-complementary

#3F3403 #032C3F #16033F

monochromatic

#1D1801 #1D1801 #3F3403 #796406 #B49409

Accessibility & contrast

On white

12.33

#3F3403 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#3F3403 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3403

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3403	#FFFFFF	#000000	##FFFFFF
##3F3403	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3300

Deuteranopia (green-blind)

#3E3606

Tritanopia (blue-blind)

#452F2B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #3f3403;
/* rgb */ color: rgb(63, 52, 3);
/* oklch */ color: oklch(32.7% 0.065 95.4);

Tailwind

colors: {
  custom: {
    50: '#776b49',
    500: '#3f3403',
    950: '#000000',
  },
}

SCSS

$custom: #3f3403;
$custom-light: #776b49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3403",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 3
  },
  "hsl": {
    "h": 49,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.32746,
    "c": 0.06485,
    "h": 95.4
  },
  "luminance": 0.03519
}

Semantic roles & 50–950 ramp

primary

#3F3403

secondary

#1D2F81

accent

#50FF29

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090601

muted

#7B7A77

Preview Lab

Preview with #3F3403

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

Preview Lab → · Contrast checker → · Palette generator →