#3B400C#3B400C

#3B400C is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.5% C 0.072 H 114.9°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#3B400C
RGB	rgb(59, 64, 12)
HSL	hsl(66, 68%, 15%)
HSV	hsv(66, 81%, 25%)
CMYK	cmyk(7.8%, 0%, 81.2%, 74.9%)
CIE-LAB	lab(25.63, -9.94, 29.28)
CIE-LCH	lch(25.63, 30.92, 108.76°)
OKLab	oklab(35.55% -0.0302 0.065)
OKLCH	oklch(35.55% 0.072 114.9)
XYZ	xyz(3.7035, 4.6232, 1.0450)
Luminance	0.0462 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B400C #110C40

analogous

#402B0C #3B400C #21400C

triadic

#3B400C #0C3B40 #400C3B

tetradic

#3B400C #0C402B #110C40 #400C21

square

#3B400C #0C402B #110C40 #400C21

split-complementary

#3B400C #0C2140 #2B0C40

monochromatic

#181A05 #181A05 #3B400C #6B7416 #9AA71F

Accessibility & contrast

On white

10.91

#3B400C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#3B400C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B400C

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B400C	#FFFFFF	#000000	##FFFFFF
##3B400C	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C04

Deuteranopia (green-blind)

#453D10

Tritanopia (blue-blind)

#3F3C36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3b400c;
/* rgb */ color: rgb(59, 64, 12);
/* oklch */ color: oklch(35.5% 0.072 114.9);

Tailwind

colors: {
  custom: {
    50: '#73744f',
    500: '#3b400c',
    950: '#000000',
  },
}

SCSS

$custom: #3b400c;
$custom-light: #73744f;
$custom-dark: #000000;

JSON

{
  "hex": "#3b400c",
  "rgb": {
    "r": 59,
    "g": 64,
    "b": 12
  },
  "hsl": {
    "h": 65.769,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.3555,
    "c": 0.07169,
    "h": 114.9
  },
  "luminance": 0.04623
}

Semantic roles & 50–950 ramp

primary

#3B400C

secondary

#332C7C

accent

#3DEB4D

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #3B400C

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

Preview Lab → · Contrast checker → · Palette generator →