#405B4B#405B4B

#405B4B is a dark, muted green. Relative luminance 0.091; OKLCH L 44.4% C 0.042 H 158.2°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#405B4B
RGB	rgb(64, 91, 75)
HSL	hsl(144, 17%, 30%)
HSV	hsv(144, 30%, 36%)
CMYK	cmyk(29.7%, 0%, 17.6%, 64.3%)
CIE-LAB	lab(36.14, -13.91, 6.01)
CIE-LCH	lch(36.14, 15.15, 156.62°)
OKLab	oklab(44.44% -0.0387 0.0155)
OKLCH	oklch(44.44% 0.042 158.2)
XYZ	xyz(7.1250, 9.0799, 8.0324)
Luminance	0.0908 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405B4B #5B4050

analogous

#435B40 #405B4B #405B58

triadic

#405B4B #4B405B #5B4B40

tetradic

#405B4B #40435B #5B4050 #5B5840

square

#405B4B #40435B #5B4050 #5B5840

split-complementary

#405B4B #58405B #5B4043

monochromatic

#0D1310 #27372D #405B4B #597F69 #769F87

Accessibility & contrast

On white

7.46

#405B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#405B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405B4B

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405B4B	#FFFFFF	#000000	##FFFFFF
##405B4B	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B574A

Deuteranopia (green-blind)

#56544C

Tritanopia (blue-blind)

#3B5B56

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #405b4b;
/* rgb */ color: rgb(64, 91, 75);
/* oklch */ color: oklch(44.4% 0.042 158.2);

Tailwind

colors: {
  custom: {
    50: '#75897d',
    500: '#405b4b',
    950: '#000000',
  },
}

SCSS

$custom: #405b4b;
$custom-light: #75897d;
$custom-dark: #000000;

JSON

{
  "hex": "#405b4b",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 75
  },
  "hsl": {
    "h": 144.444,
    "s": 17.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.44443,
    "c": 0.04172,
    "h": 158.2
  },
  "luminance": 0.0908
}

Semantic roles & 50–950 ramp

primary

#405B4B

secondary

#8A6C7E

accent

#6E9BBA

background

#F7F8F7

surface

#EDF0EE

border

#C8CBC9

text

#080B09

muted

#7B7C7B

Preview Lab

Preview with #405B4B

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

Preview Lab → · Contrast checker → · Palette generator →