#3E400B#3E400B

#3E400B is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.8% C 0.071 H 111.7°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#3E400B
RGB	rgb(62, 64, 11)
HSL	hsl(62, 71%, 15%)
HSV	hsv(62, 83%, 25%)
CMYK	cmyk(3.1%, 0%, 82.8%, 74.9%)
CIE-LAB	lab(25.91, -8.47, 30.06)
CIE-LCH	lch(25.91, 31.23, 105.73°)
OKLab	oklab(35.84% -0.0264 0.0664)
OKLCH	oklch(35.84% 0.071 111.7)
XYZ	xyz(3.8805, 4.7152, 1.0222)
Luminance	0.0471 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E400B #0D0B40

analogous

#40280B #3E400B #24400B

triadic

#3E400B #0B3E40 #400B3E

tetradic

#3E400B #0B4028 #0D0B40 #400B24

square

#3E400B #0B4028 #0D0B40 #400B24

split-complementary

#3E400B #0B2440 #280B40

monochromatic

#191A04 #191A04 #3E400B #717414 #A3A81D

Accessibility & contrast

On white

10.81

#3E400B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#3E400B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E400B

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E400B	#FFFFFF	#000000	##FFFFFF
##3E400B	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D03

Deuteranopia (green-blind)

#463E0F

Tritanopia (blue-blind)

#433B36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3e400b;
/* rgb */ color: rgb(62, 64, 11);
/* oklch */ color: oklch(35.8% 0.071 111.7);

Tailwind

colors: {
  custom: {
    50: '#75744e',
    500: '#3e400b',
    950: '#000000',
  },
}

SCSS

$custom: #3e400b;
$custom-light: #75744e;
$custom-dark: #000000;

JSON

{
  "hex": "#3e400b",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 11
  },
  "hsl": {
    "h": 62.264,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.35837,
    "c": 0.0714,
    "h": 111.7
  },
  "luminance": 0.04715
}

Semantic roles & 50–950 ramp

primary

#3E400B

secondary

#2D2A7D

accent

#3AED41

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3E400B

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

Preview Lab → · Contrast checker → · Palette generator →