#40440A#40440A

#40440A is a dark, moderate yellow. Relative luminance 0.052; OKLCH L 37.1% C 0.076 H 113.6°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#40440A
RGB	rgb(64, 68, 10)
HSL	hsl(64, 74%, 15%)
HSV	hsv(64, 85%, 27%)
CMYK	cmyk(5.9%, 0%, 85.3%, 73.3%)
CIE-LAB	lab(27.43, -9.90, 31.94)
CIE-LCH	lch(27.43, 33.44, 107.22°)
OKLab	oklab(37.1% -0.0306 0.07)
OKLCH	oklch(37.1% 0.076 113.6)
XYZ	xyz(4.2364, 5.2462, 1.0766)
Luminance	0.0525 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40440A #0E0A44

analogous

#442B0A #40440A #23440A

triadic

#40440A #0A4044 #440A40

tetradic

#40440A #0A442B #0E0A44 #440A23

square

#40440A #0A442B #0E0A44 #440A23

split-complementary

#40440A #0A2344 #2B0A44

monochromatic

#191B04 #191B04 #40440A #727912 #A4AF1A

Accessibility & contrast

On white

10.25

#40440A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#40440A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40440A

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40440A	#FFFFFF	#000000	##FFFFFF
##40440A	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4001

Deuteranopia (green-blind)

#4A410F

Tritanopia (blue-blind)

#453F39

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #40440a;
/* rgb */ color: rgb(64, 68, 10);
/* oklch */ color: oklch(37.1% 0.076 113.6);

Tailwind

colors: {
  custom: {
    50: '#77774f',
    500: '#40440a',
    950: '#000000',
  },
}

SCSS

$custom: #40440a;
$custom-light: #77774f;
$custom-dark: #000000;

JSON

{
  "hex": "#40440a",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 10
  },
  "hsl": {
    "h": 64.138,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.37096,
    "c": 0.07643,
    "h": 113.6
  },
  "luminance": 0.05246
}

Semantic roles & 50–950 ramp

primary

#40440A

secondary

#2F2981

accent

#37F144

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #40440A

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

Preview Lab → · Contrast checker → · Palette generator →