#40583D#40583D

#40583D is a dark, muted green. Relative luminance 0.084; OKLCH L 43.3% C 0.052 H 141.8°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#40583D
RGB	rgb(64, 88, 61)
HSL	hsl(113, 18%, 29%)
HSV	hsv(113, 31%, 35%)
CMYK	cmyk(27.3%, 0%, 30.7%, 65.5%)
CIE-LAB	lab(34.81, -15.13, 12.81)
CIE-LCH	lch(34.81, 19.82, 139.74°)
OKLab	oklab(43.27% -0.0412 0.0324)
OKLCH	oklch(43.27% 0.052 141.8)
XYZ	xyz(6.4461, 8.4061, 5.6969)
Luminance	0.0841 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40583D #553D58

analogous

#4E583D #40583D #3D5848

triadic

#40583D #3D4058 #583D40

tetradic

#40583D #3D4E58 #553D58 #58483D

square

#40583D #3D4E58 #553D58 #58483D

split-complementary

#40583D #483D58 #583D4E

monochromatic

#0D120D #263424 #40583D #5A7C56 #779D72

Accessibility & contrast

On white

7.83

#40583D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#40583D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40583D

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40583D	#FFFFFF	#000000	##FFFFFF
##40583D	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59533B

Deuteranopia (green-blind)

#56513E

Tritanopia (blue-blind)

#3E5651

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #40583d;
/* rgb */ color: rgb(64, 88, 61);
/* oklch */ color: oklch(43.3% 0.052 141.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40583d",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 61
  },
  "hsl": {
    "h": 113.333,
    "s": 18.121,
    "l": 29.216
  },
  "oklch": {
    "l": 0.4327,
    "c": 0.05244,
    "h": 141.8
  },
  "luminance": 0.08406
}

Semantic roles & 50–950 ramp

primary

#40583D

secondary

#846988

accent

#6DBBB2

background

#F7F8F6

surface

#EDEFEC

border

#C8CAC7

text

#080B08

muted

#7B7C7B

Preview Lab

Preview with #40583D

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

Preview Lab → · Contrast checker → · Palette generator →