#3B440B#3B440B

#3B440B is a dark, moderate yellow. Relative luminance 0.051; OKLCH L 36.6% C 0.078 H 118.4°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#3B440B
RGB	rgb(59, 68, 11)
HSL	hsl(69, 72%, 15%)
HSV	hsv(69, 84%, 27%)
CMYK	cmyk(13.2%, 0%, 83.8%, 73.3%)
CIE-LAB	lab(26.98, -12.36, 30.99)
CIE-LCH	lch(26.98, 33.36, 111.75°)
OKLab	oklab(36.63% -0.037 0.0684)
OKLCH	oklch(36.63% 0.078 118.4)
XYZ	xyz(3.9312, 5.0882, 1.0916)
Luminance	0.0509 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B440B #140B44

analogous

#44300B #3B440B #1E440B

triadic

#3B440B #0B3B44 #440B3B

tetradic

#3B440B #0B4430 #140B44 #440B1E

square

#3B440B #0B4430 #140B44 #440B1E

split-complementary

#3B440B #0B1E44 #300B44

monochromatic

#171A04 #171A04 #3B440B #697914 #96AD1C

Accessibility & contrast

On white

10.41

#3B440B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3B440B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B440B

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B440B	#FFFFFF	#000000	##FFFFFF
##3B440B	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494002

Deuteranopia (green-blind)

#484010

Tritanopia (blue-blind)

#3F4039

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3b440b;
/* rgb */ color: rgb(59, 68, 11);
/* oklch */ color: oklch(36.6% 0.078 118.4);

Tailwind

colors: {
  custom: {
    50: '#73774f',
    500: '#3b440b',
    950: '#000000',
  },
}

SCSS

$custom: #3b440b;
$custom-light: #73774f;
$custom-dark: #000000;

JSON

{
  "hex": "#3b440b",
  "rgb": {
    "r": 59,
    "g": 68,
    "b": 11
  },
  "hsl": {
    "h": 69.474,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.36633,
    "c": 0.07778,
    "h": 118.4
  },
  "luminance": 0.05088
}

Semantic roles & 50–950 ramp

primary

#3B440B

secondary

#382A81

accent

#39EF56

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #3B440B

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

Preview Lab → · Contrast checker → · Palette generator →