#40523C#40523C

#40523C is a dark, muted green. Relative luminance 0.075; OKLCH L 41.7% C 0.042 H 140.0°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#40523C
RGB	rgb(64, 82, 60)
HSL	hsl(109, 15%, 28%)
HSV	hsv(109, 27%, 32%)
CMYK	cmyk(22%, 0%, 26.8%, 67.8%)
CIE-LAB	lab(32.81, -11.90, 10.68)
CIE-LCH	lch(32.81, 15.99, 138.08°)
OKLab	oklab(41.65% -0.0324 0.0272)
OKLCH	oklch(41.65% 0.042 140)
XYZ	xyz(5.9471, 7.4507, 5.3989)
Luminance	0.0745 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40523C #4E3C52

analogous

#4B523C #40523C #3C5243

triadic

#40523C #3C4052 #523C40

tetradic

#40523C #3C4B52 #4E3C52 #52433C

square

#40523C #3C4B52 #4E3C52 #52433C

split-complementary

#40523C #433C52 #523C4B

monochromatic

#0E120D #242F22 #40523C #5C7556 #789771

Accessibility & contrast

On white

8.43

#40523C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#40523C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40523C

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40523C	#FFFFFF	#000000	##FFFFFF
##40523C	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E3B

Deuteranopia (green-blind)

#504D3D

Tritanopia (blue-blind)

#3F504C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #40523c;
/* rgb */ color: rgb(64, 82, 60);
/* oklch */ color: oklch(41.7% 0.042 140.0);

Tailwind

colors: {
  custom: {
    50: '#758271',
    500: '#40523c',
    950: '#000000',
  },
}

SCSS

$custom: #40523c;
$custom-light: #758271;
$custom-dark: #000000;

JSON

{
  "hex": "#40523c",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 60
  },
  "hsl": {
    "h": 109.091,
    "s": 15.493,
    "l": 27.843
  },
  "oklch": {
    "l": 0.41654,
    "c": 0.04227,
    "h": 140
  },
  "luminance": 0.07451
}

Semantic roles & 50–950 ramp

primary

#40523C

secondary

#7D6882

accent

#70B8AB

background

#F7F7F6

surface

#EDEEEC

border

#C8C9C7

text

#080A07

muted

#7B7C7A

Preview Lab

Preview with #40523C

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

Preview Lab → · Contrast checker → · Palette generator →