#40440D#40440D

#40440D is a dark, moderate yellow. Relative luminance 0.053; OKLCH L 37.1% C 0.074 H 113.6°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#40440D
RGB	rgb(64, 68, 13)
HSL	hsl(64, 68%, 16%)
HSV	hsv(64, 81%, 27%)
CMYK	cmyk(5.9%, 0%, 80.9%, 73.3%)
CIE-LAB	lab(27.44, -9.74, 30.76)
CIE-LCH	lch(27.44, 32.27, 107.56°)
OKLab	oklab(37.12% -0.0298 0.0682)
OKLCH	oklch(37.12% 0.074 113.6)
XYZ	xyz(4.2542, 5.2534, 1.1706)
Luminance	0.0525 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40440D #110D44

analogous

#442C0D #40440D #24440D

triadic

#40440D #0D4044 #440D40

tetradic

#40440D #0D442C #110D44 #440D24

square

#40440D #0D442C #110D44 #440D24

split-complementary

#40440D #0D2444 #2C0D44

monochromatic

#181A05 #181A05 #40440D #707717 #A1AB21

Accessibility & contrast

On white

10.24

#40440D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#40440D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40440D

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40440D	#FFFFFF	#000000	##FFFFFF
##40440D	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4004

Deuteranopia (green-blind)

#4A4111

Tritanopia (blue-blind)

#453F39

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #40440d;
/* rgb */ color: rgb(64, 68, 13);
/* oklch */ color: oklch(37.1% 0.074 113.6);

Tailwind

colors: {
  custom: {
    50: '#777750',
    500: '#40440d',
    950: '#000000',
  },
}

SCSS

$custom: #40440d;
$custom-light: #777750;
$custom-dark: #000000;

JSON

{
  "hex": "#40440d",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 13
  },
  "hsl": {
    "h": 64.364,
    "s": 67.901,
    "l": 15.882
  },
  "oklch": {
    "l": 0.37118,
    "c": 0.07441,
    "h": 113.6
  },
  "luminance": 0.05253
}

Semantic roles & 50–950 ramp

primary

#40440D

secondary

#332D7F

accent

#3DEB4A

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #40440D

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

Preview Lab → · Contrast checker → · Palette generator →