#3B400D#3B400D

#3B400D is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.6% C 0.071 H 114.9°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#3B400D
RGB	rgb(59, 64, 13)
HSL	hsl(66, 66%, 15%)
HSV	hsv(66, 80%, 25%)
CMYK	cmyk(7.8%, 0%, 79.7%, 74.9%)
CIE-LAB	lab(25.64, -9.88, 28.85)
CIE-LCH	lch(25.64, 30.49, 108.91°)
OKLab	oklab(35.56% -0.0299 0.0643)
OKLCH	oklch(35.56% 0.071 114.9)
XYZ	xyz(3.7098, 4.6257, 1.0781)
Luminance	0.0463 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B400D #120D40

analogous

#402B0D #3B400D #22400D

triadic

#3B400D #0D3B40 #400D3B

tetradic

#3B400D #0D402B #120D40 #400D22

square

#3B400D #0D402B #120D40 #400D22

split-complementary

#3B400D #0D2240 #2B0D40

monochromatic

#171905 #171905 #3B400D #6A7317 #99A622

Accessibility & contrast

On white

10.91

#3B400D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3B400D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B400D

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B400D	#FFFFFF	#000000	##FFFFFF
##3B400D	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C05

Deuteranopia (green-blind)

#453D11

Tritanopia (blue-blind)

#3F3C36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3b400d;
/* rgb */ color: rgb(59, 64, 13);
/* oklch */ color: oklch(35.6% 0.071 114.9);

Tailwind

colors: {
  custom: {
    50: '#73744f',
    500: '#3b400d',
    950: '#000000',
  },
}

SCSS

$custom: #3b400d;
$custom-light: #73744f;
$custom-dark: #000000;

JSON

{
  "hex": "#3b400d",
  "rgb": {
    "r": 59,
    "g": 64,
    "b": 13
  },
  "hsl": {
    "h": 65.882,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.35558,
    "c": 0.07092,
    "h": 114.9
  },
  "luminance": 0.04626
}

Semantic roles & 50–950 ramp

primary

#3B400D

secondary

#352D7C

accent

#3FE94F

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #3B400D

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

Preview Lab → · Contrast checker → · Palette generator →