#3F480B#3F480B

#3F480B is a dark, moderate yellow. Relative luminance 0.057; OKLCH L 38.1% C 0.081 H 118.0°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F480B
RGB	rgb(63, 72, 11)
HSL	hsl(69, 73%, 16%)
HSV	hsv(69, 85%, 28%)
CMYK	cmyk(12.5%, 0%, 84.7%, 71.8%)
CIE-LAB	lab(28.68, -12.69, 32.70)
CIE-LCH	lch(28.68, 35.08, 111.21°)
OKLab	oklab(38.09% -0.0382 0.0719)
OKLCH	oklch(38.09% 0.081 118)
XYZ	xyz(4.4278, 5.7157, 1.1865)
Luminance	0.0572 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F480B #140B48

analogous

#48330B #3F480B #21480B

triadic

#3F480B #0B3F48 #480B3F

tetradic

#3F480B #0B4833 #140B48 #480B21

square

#3F480B #0B4833 #140B48 #480B21

split-complementary

#3F480B #0B2148 #330B48

monochromatic

#171B04 #171B04 #3F480B #6D7D13 #9CB21B

Accessibility & contrast

On white

9.80

#3F480B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3F480B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F480B

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F480B	#FFFFFF	#000000	##FFFFFF
##3F480B	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4401

Deuteranopia (green-blind)

#4D4411

Tritanopia (blue-blind)

#43433D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f480b;
/* rgb */ color: rgb(63, 72, 11);
/* oklch */ color: oklch(38.1% 0.081 118.0);

Tailwind

colors: {
  custom: {
    50: '#767a50',
    500: '#3f480b',
    950: '#000000',
  },
}

SCSS

$custom: #3f480b;
$custom-light: #767a50;
$custom-dark: #000000;

JSON

{
  "hex": "#3f480b",
  "rgb": {
    "r": 63,
    "g": 72,
    "b": 11
  },
  "hsl": {
    "h": 68.852,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.38087,
    "c": 0.08139,
    "h": 118
  },
  "luminance": 0.05716
}

Semantic roles & 50–950 ramp

primary

#3F480B

secondary

#382A84

accent

#38F053

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #3F480B

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

Preview Lab → · Contrast checker → · Palette generator →