#3B400F#3B400F

#3B400F is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.6% C 0.069 H 115.0°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#3B400F
RGB	rgb(59, 64, 15)
HSL	hsl(66, 62%, 15%)
HSV	hsv(66, 77%, 25%)
CMYK	cmyk(7.8%, 0%, 76.6%, 74.9%)
CIE-LAB	lab(25.66, -9.74, 27.95)
CIE-LCH	lch(25.66, 29.60, 109.22°)
OKLab	oklab(35.58% -0.0293 0.0628)
OKLCH	oklch(35.58% 0.069 115)
XYZ	xyz(3.7233, 4.6311, 1.1496)
Luminance	0.0463 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B400F #140F40

analogous

#402C0F #3B400F #22400F

triadic

#3B400F #0F3B40 #400F3B

tetradic

#3B400F #0F402C #140F40 #400F22

square

#3B400F #0F402C #140F40 #400F22

split-complementary

#3B400F #0F2240 #2C0F40

monochromatic

#171906 #171906 #3B400F #69721B #96A326

Accessibility & contrast

On white

10.90

#3B400F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3B400F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B400F

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B400F	#FFFFFF	#000000	##FFFFFF
##3B400F	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C08

Deuteranopia (green-blind)

#453D13

Tritanopia (blue-blind)

#3F3C36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3b400f;
/* rgb */ color: rgb(59, 64, 15);
/* oklch */ color: oklch(35.6% 0.069 115.0);

Tailwind

colors: {
  custom: {
    50: '#737451',
    500: '#3b400f',
    950: '#000000',
  },
}

SCSS

$custom: #3b400f;
$custom-light: #737451;
$custom-dark: #000000;

JSON

{
  "hex": "#3b400f",
  "rgb": {
    "r": 59,
    "g": 64,
    "b": 15
  },
  "hsl": {
    "h": 66.122,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.35576,
    "c": 0.0693,
    "h": 115
  },
  "luminance": 0.04631
}

Semantic roles & 50–950 ramp

primary

#3B400F

secondary

#38307A

accent

#43E553

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #3B400F

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

Preview Lab → · Contrast checker → · Palette generator →