#3F481B#3F481B

#3F481B is a dark, moderate yellow-green. Relative luminance 0.058; OKLCH L 38.2% C 0.068 H 119.2°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F481B
RGB	rgb(63, 72, 27)
HSL	hsl(72, 45%, 19%)
HSV	hsv(72, 63%, 28%)
CMYK	cmyk(12.5%, 0%, 62.5%, 71.8%)
CIE-LAB	lab(28.83, -11.47, 25.32)
CIE-LCH	lch(28.83, 27.80, 114.36°)
OKLab	oklab(38.25% -0.0329 0.0591)
OKLCH	oklch(38.25% 0.068 119.2)
XYZ	xyz(4.5652, 5.7706, 1.9100)
Luminance	0.0577 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F481B #241B48

analogous

#483B1B #3F481B #29481B

triadic

#3F481B #1B3F48 #481B3F

tetradic

#3F481B #1B483B #241B48 #481B29

square

#3F481B #1B483B #241B48 #481B29

split-complementary

#3F481B #1B2948 #3B1B48

monochromatic

#131608 #181B0A #3F481B #66752C #8DA13C

Accessibility & contrast

On white

9.75

#3F481B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3F481B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F481B

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F481B	#FFFFFF	#000000	##FFFFFF
##3F481B	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4416

Deuteranopia (green-blind)

#4C441E

Tritanopia (blue-blind)

#43443E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f481b;
/* rgb */ color: rgb(63, 72, 27);
/* oklch */ color: oklch(38.2% 0.068 119.2);

Tailwind

colors: {
  custom: {
    50: '#757b59',
    500: '#3f481b',
    950: '#000000',
  },
}

SCSS

$custom: #3f481b;
$custom-light: #757b59;
$custom-dark: #000000;

JSON

{
  "hex": "#3f481b",
  "rgb": {
    "r": 63,
    "g": 72,
    "b": 27
  },
  "hsl": {
    "h": 72,
    "s": 45.455,
    "l": 19.412
  },
  "oklch": {
    "l": 0.38247,
    "c": 0.06762,
    "h": 119.2
  },
  "luminance": 0.05771
}

Semantic roles & 50–950 ramp

primary

#3F481B

secondary

#4D417E

accent

#53D56D

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#080903

muted

#7B7B78

Preview Lab

Preview with #3F481B

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

Preview Lab → · Contrast checker → · Palette generator →