#40583C#40583C

#40583C is a dark, muted green. Relative luminance 0.084; OKLCH L 43.2% C 0.054 H 141.0°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#40583C
RGB	rgb(64, 88, 60)
HSL	hsl(111, 19%, 29%)
HSV	hsv(111, 32%, 35%)
CMYK	cmyk(27.3%, 0%, 31.8%, 65.5%)
CIE-LAB	lab(34.79, -15.31, 13.39)
CIE-LCH	lch(34.79, 20.34, 138.83°)
OKLab	oklab(43.25% -0.0417 0.0338)
OKLCH	oklch(43.25% 0.054 141)
XYZ	xyz(6.4195, 8.3955, 5.5564)
Luminance	0.0840 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40583C #543C58

analogous

#4E583C #40583C #3C5846

triadic

#40583C #3C4058 #583C40

tetradic

#40583C #3C4E58 #543C58 #58463C

square

#40583C #3C4E58 #543C58 #58463C

split-complementary

#40583C #463C58 #583C4E

monochromatic

#0D120C #263423 #40583C #5A7C55 #779E71

Accessibility & contrast

On white

7.84

#40583C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#40583C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40583C

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40583C	#FFFFFF	#000000	##FFFFFF
##40583C	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A533A

Deuteranopia (green-blind)

#56513D

Tritanopia (blue-blind)

#3E5651

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #40583c;
/* rgb */ color: rgb(64, 88, 60);
/* oklch */ color: oklch(43.2% 0.054 141.0);

Tailwind

colors: {
  custom: {
    50: '#758772',
    500: '#40583c',
    950: '#000000',
  },
}

SCSS

$custom: #40583c;
$custom-light: #758772;
$custom-dark: #000000;

JSON

{
  "hex": "#40583c",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 60
  },
  "hsl": {
    "h": 111.429,
    "s": 18.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43246,
    "c": 0.05371,
    "h": 141
  },
  "luminance": 0.08396
}

Semantic roles & 50–950 ramp

primary

#40583C

secondary

#836888

accent

#6CBCB0

background

#F7F8F6

surface

#EDEFEC

border

#C8CAC7

text

#080B07

muted

#7B7C7A

Preview Lab

Preview with #40583C

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

Preview Lab → · Contrast checker → · Palette generator →