#3F3303#3F3303

#3F3303 is a dark, moderate yellow. Relative luminance 0.034; OKLCH L 32.5% C 0.064 H 93.8°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#3F3303
RGB	rgb(63, 51, 3)
HSL	hsl(48, 91%, 13%)
HSV	hsv(48, 95%, 25%)
CMYK	cmyk(0%, 19%, 95.2%, 75.3%)
CIE-LAB	lab(21.69, -0.18, 29.15)
CIE-LCH	lch(21.69, 29.15, 90.35°)
OKLab	oklab(32.49% -0.0042 0.064)
OKLCH	oklch(32.49% 0.064 93.8)
XYZ	xyz(3.2504, 3.4312, 0.5772)
Luminance	0.0343 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3303 #030F3F

analogous

#3F1503 #3F3303 #2D3F03

triadic

#3F3303 #033F33 #33033F

tetradic

#3F3303 #033F15 #030F3F #3F032D

square

#3F3303 #033F15 #030F3F #3F032D

split-complementary

#3F3303 #032D3F #15033F

monochromatic

#1D1801 #1D1801 #3F3303 #796206 #B49209

Accessibility & contrast

On white

12.45

#3F3303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#3F3303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3303

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3303	#FFFFFF	#000000	##FFFFFF
##3F3303	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3200

Deuteranopia (green-blind)

#3D3506

Tritanopia (blue-blind)

#452E2A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #3f3303;
/* rgb */ color: rgb(63, 51, 3);
/* oklch */ color: oklch(32.5% 0.064 93.8);

Tailwind

colors: {
  custom: {
    50: '#776a49',
    500: '#3f3303',
    950: '#000000',
  },
}

SCSS

$custom: #3f3303;
$custom-light: #776a49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3303",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 3
  },
  "hsl": {
    "h": 48,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.32493,
    "c": 0.06413,
    "h": 93.8
  },
  "luminance": 0.03431
}

Semantic roles & 50–950 ramp

primary

#3F3303

secondary

#1D3181

accent

#54FF29

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090601

muted

#7B7A77

Preview Lab

Preview with #3F3303

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

Preview Lab → · Contrast checker → · Palette generator →