#405440#405440

#405440 is a dark, muted green. Relative luminance 0.078; OKLCH L 42.3% C 0.041 H 144.8°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#405440
RGB	rgb(64, 84, 64)
HSL	hsl(120, 14%, 29%)
HSV	hsv(120, 24%, 33%)
CMYK	cmyk(23.8%, 0%, 23.8%, 67.1%)
CIE-LAB	lab(33.56, -12.26, 9.23)
CIE-LCH	lch(33.56, 15.34, 143.02°)
OKLab	oklab(42.29% -0.0335 0.0236)
OKLCH	oklch(42.29% 0.041 144.8)
XYZ	xyz(6.2098, 7.8006, 6.0280)
Luminance	0.0780 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405440 #544054

analogous

#4A5440 #405440 #40544A

triadic

#405440 #404054 #544040

tetradic

#405440 #404A54 #544054 #544A40

square

#405440 #404A54 #544054 #544A40

split-complementary

#405440 #4A4054 #54404A

monochromatic

#0D110D #263126 #405440 #5A775A #779777

Accessibility & contrast

On white

8.20

#405440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#405440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405440

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405440	#FFFFFF	#000000	##FFFFFF
##405440	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55503F

Deuteranopia (green-blind)

#524E41

Tritanopia (blue-blind)

#3E534E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #405440;
/* rgb */ color: rgb(64, 84, 64);
/* oklch */ color: oklch(42.3% 0.041 144.8);

Tailwind

colors: {
  custom: {
    50: '#758474',
    500: '#405440',
    950: '#000000',
  },
}

SCSS

$custom: #405440;
$custom-light: #758474;
$custom-dark: #000000;

JSON

{
  "hex": "#405440",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 13.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.42288,
    "c": 0.041,
    "h": 144.8
  },
  "luminance": 0.07801
}

Semantic roles & 50–950 ramp

primary

#405440

secondary

#836D83

accent

#71B6B6

background

#F7F8F7

surface

#EDEFED

border

#C8CAC8

text

#080A08

muted

#7B7C7B

Preview Lab

Preview with #405440

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

Preview Lab → · Contrast checker → · Palette generator →