#3D400B#3D400B

#3D400B is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.7% C 0.072 H 112.8°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#3D400B
RGB	rgb(61, 64, 11)
HSL	hsl(63, 71%, 15%)
HSV	hsv(63, 83%, 25%)
CMYK	cmyk(4.7%, 0%, 82.8%, 74.9%)
CIE-LAB	lab(25.81, -8.98, 29.94)
CIE-LCH	lch(25.81, 31.26, 106.70°)
OKLab	oklab(35.74% -0.0277 0.0661)
OKLCH	oklch(35.74% 0.072 112.8)
XYZ	xyz(3.8184, 4.6831, 1.0193)
Luminance	0.0468 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D400B #0E0B40

analogous

#40290B #3D400B #23400B

triadic

#3D400B #0B3D40 #400B3D

tetradic

#3D400B #0B4029 #0E0B40 #400B23

square

#3D400B #0B4029 #0E0B40 #400B23

split-complementary

#3D400B #0B2340 #290B40

monochromatic

#191A04 #191A04 #3D400B #6F7414 #A1A81D

Accessibility & contrast

On white

10.84

#3D400B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#3D400B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D400B

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D400B	#FFFFFF	#000000	##FFFFFF
##3D400B	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D03

Deuteranopia (green-blind)

#463E0F

Tritanopia (blue-blind)

#423C36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3d400b;
/* rgb */ color: rgb(61, 64, 11);
/* oklch */ color: oklch(35.7% 0.072 112.8);

Tailwind

colors: {
  custom: {
    50: '#75744e',
    500: '#3d400b',
    950: '#000000',
  },
}

SCSS

$custom: #3d400b;
$custom-light: #75744e;
$custom-dark: #000000;

JSON

{
  "hex": "#3d400b",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 11
  },
  "hsl": {
    "h": 63.396,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.35737,
    "c": 0.07172,
    "h": 112.8
  },
  "luminance": 0.04683
}

Semantic roles & 50–950 ramp

primary

#3D400B

secondary

#2F2A7D

accent

#3AED44

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#080802

muted

#7B7B78

Preview Lab

Preview with #3D400B

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

Preview Lab → · Contrast checker → · Palette generator →