#3F410B#3F410B

#3F410B is a dark, moderate yellow. Relative luminance 0.049; OKLCH L 36.2% C 0.072 H 111.7°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F410B
RGB	rgb(63, 65, 11)
HSL	hsl(62, 71%, 15%)
HSV	hsv(62, 83%, 25%)
CMYK	cmyk(3.1%, 0%, 83.1%, 74.5%)
CIE-LAB	lab(26.34, -8.56, 30.50)
CIE-LCH	lch(26.34, 31.68, 105.67°)
OKLab	oklab(36.2% -0.0267 0.0672)
OKLCH	oklch(36.2% 0.072 111.7)
XYZ	xyz(4.0007, 4.8616, 1.0442)
Luminance	0.0486 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F410B #0D0B41

analogous

#41280B #3F410B #24410B

triadic

#3F410B #0B3F41 #410B3F

tetradic

#3F410B #0B4128 #0D0B41 #410B24

square

#3F410B #0B4128 #0D0B41 #410B24

split-complementary

#3F410B #0B2441 #280B41

monochromatic

#191A04 #191A04 #3F410B #727514 #A4AA1D

Accessibility & contrast

On white

10.65

#3F410B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3F410B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F410B

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F410B	#FFFFFF	#000000	##FFFFFF
##3F410B	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473E03

Deuteranopia (green-blind)

#473F0F

Tritanopia (blue-blind)

#443C37

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f410b;
/* rgb */ color: rgb(63, 65, 11);
/* oklch */ color: oklch(36.2% 0.072 111.7);

Tailwind

colors: {
  custom: {
    50: '#76754f',
    500: '#3f410b',
    950: '#000000',
  },
}

SCSS

$custom: #3f410b;
$custom-light: #76754f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f410b",
  "rgb": {
    "r": 63,
    "g": 65,
    "b": 11
  },
  "hsl": {
    "h": 62.222,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.36204,
    "c": 0.07235,
    "h": 111.7
  },
  "luminance": 0.04862
}

Semantic roles & 50–950 ramp

primary

#3F410B

secondary

#2D2A7E

accent

#3AEE41

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3F410B

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

Preview Lab → · Contrast checker → · Palette generator →