#405566#405566

#405566 is a dark, muted cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.038 H 243.2°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#405566
RGB	rgb(64, 85, 102)
HSL	hsl(207, 23%, 33%)
HSV	hsv(207, 37%, 40%)
CMYK	cmyk(37.3%, 16.7%, 0%, 60%)
CIE-LAB	lab(35.09, -3.32, -12.39)
CIE-LCH	lch(35.09, 12.83, 254.98°)
OKLab	oklab(43.91% -0.0173 -0.0341)
OKLCH	oklch(43.91% 0.038 243.2)
XYZ	xyz(7.7604, 8.5459, 13.8084)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405566 #665140

analogous

#406664 #405566 #404266

triadic

#405566 #664055 #556640

tetradic

#405566 #644066 #665140 #426640

square

#405566 #644066 #665140 #426640

split-complementary

#405566 #664042 #666440

monochromatic

#11161B #283640 #405566 #58748C #7793AA

Accessibility & contrast

On white

7.75

#405566 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#405566 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405566

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405566	#FFFFFF	#000000	##FFFFFF
##405566	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5567

Deuteranopia (green-blind)

#495166

Tritanopia (blue-blind)

#33595B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #405566;
/* rgb */ color: rgb(64, 85, 102);
/* oklch */ color: oklch(43.9% 0.038 243.2);

Tailwind

colors: {
  custom: {
    50: '#768491',
    500: '#405566',
    950: '#000000',
  },
}

SCSS

$custom: #405566;
$custom-light: #768491;
$custom-dark: #000000;

JSON

{
  "hex": "#405566",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 102
  },
  "hsl": {
    "h": 206.842,
    "s": 22.892,
    "l": 32.549
  },
  "oklch": {
    "l": 0.43906,
    "c": 0.03821,
    "h": 243.2
  },
  "luminance": 0.08546
}

Semantic roles & 50–950 ramp

primary

#405566

secondary

#957F6D

accent

#8F68BF

background

#F7F8F8

surface

#EDEFF0

border

#C8CACB

text

#080B0C

muted

#7B7C7D

Preview Lab

Preview with #405566

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

Preview Lab → · Contrast checker → · Palette generator →