#40583F#40583F

#40583F is a dark, muted green. Relative luminance 0.084; OKLCH L 43.3% C 0.050 H 143.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#40583F
RGB	rgb(64, 88, 63)
HSL	hsl(118, 17%, 30%)
HSV	hsv(118, 28%, 35%)
CMYK	cmyk(27.3%, 0%, 28.4%, 65.5%)
CIE-LAB	lab(34.86, -14.74, 11.64)
CIE-LCH	lch(34.86, 18.78, 141.70°)
OKLab	oklab(43.32% -0.0402 0.0296)
OKLCH	oklch(43.32% 0.05 143.7)
XYZ	xyz(6.5010, 8.4281, 5.9859)
Luminance	0.0843 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40583F #573F58

analogous

#4D583F #40583F #3F584B

triadic

#40583F #3F4058 #583F40

tetradic

#40583F #3F4D58 #573F58 #584B3F

square

#40583F #3F4D58 #573F58 #584B3F

split-complementary

#40583F #4B3F58 #583F4D

monochromatic

#0D120D #263425 #40583F #5A7C59 #779C75

Accessibility & contrast

On white

7.82

#40583F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#40583F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40583F

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40583F	#FFFFFF	#000000	##FFFFFF
##40583F	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59533D

Deuteranopia (green-blind)

#555140

Tritanopia (blue-blind)

#3E5651

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #40583f;
/* rgb */ color: rgb(64, 88, 63);
/* oklch */ color: oklch(43.3% 0.050 143.7);

Tailwind

colors: {
  custom: {
    50: '#758774',
    500: '#40583f',
    950: '#000000',
  },
}

SCSS

$custom: #40583f;
$custom-light: #758774;
$custom-dark: #000000;

JSON

{
  "hex": "#40583f",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 63
  },
  "hsl": {
    "h": 117.6,
    "s": 16.556,
    "l": 29.608
  },
  "oklch": {
    "l": 0.4332,
    "c": 0.04993,
    "h": 143.7
  },
  "luminance": 0.08428
}

Semantic roles & 50–950 ramp

primary

#40583F

secondary

#866B87

accent

#6FB9B6

background

#F7F8F7

surface

#EDEFED

border

#C8CAC8

text

#080B08

muted

#7B7C7B

Preview Lab

Preview with #40583F

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

Preview Lab → · Contrast checker → · Palette generator →