#405657#405657

#405657 is a dark, muted teal. Relative luminance 0.084; OKLCH L 43.5% C 0.027 H 199.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#405657
RGB	rgb(64, 86, 87)
HSL	hsl(183, 15%, 30%)
HSV	hsv(183, 26%, 34%)
CMYK	cmyk(26.4%, 1.1%, 0%, 65.9%)
CIE-LAB	lab(34.87, -8.08, -3.32)
CIE-LCH	lch(34.87, 8.73, 202.34°)
OKLab	oklab(43.55% -0.0253 -0.0091)
OKLCH	oklch(43.55% 0.027 199.7)
XYZ	xyz(7.1619, 8.4334, 10.2654)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405657 #574140

analogous

#40574D #405657 #404B57

triadic

#405657 #574056 #565740

tetradic

#405657 #4D4057 #574140 #4B5740

square

#405657 #4D4057 #574140 #4B5740

split-complementary

#405657 #57404B #574D40

monochromatic

#0D1112 #263334 #405657 #5A797A #77999B

Accessibility & contrast

On white

7.82

#405657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#405657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405657

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405657	#FFFFFF	#000000	##FFFFFF
##405657	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)

#535457

Deuteranopia (green-blind)

#4F5157

Tritanopia (blue-blind)

#385856

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #405657;
/* rgb */ color: rgb(64, 86, 87);
/* oklch */ color: oklch(43.5% 0.027 199.7);

Tailwind

colors: {
  custom: {
    50: '#758586',
    500: '#405657',
    950: '#000000',
  },
}

SCSS

$custom: #405657;
$custom-light: #758586;
$custom-dark: #000000;

JSON

{
  "hex": "#405657",
  "rgb": {
    "r": 64,
    "g": 86,
    "b": 87
  },
  "hsl": {
    "h": 182.609,
    "s": 15.232,
    "l": 29.608
  },
  "oklch": {
    "l": 0.43547,
    "c": 0.02688,
    "h": 199.7
  },
  "luminance": 0.08434
}

Semantic roles & 50–950 ramp

primary

#405657

secondary

#866E6C

accent

#7370B8

background

#F7F8F8

surface

#EDEFEF

border

#C8CACA

text

#080B0B

muted

#7B7C7C

Preview Lab

Preview with #405657

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

Preview Lab → · Contrast checker → · Palette generator →