#37566F#37566F

#37566F is a dark, muted cyan. Relative luminance 0.086; OKLCH L 44.0% C 0.055 H 243.8°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#37566F
RGB	rgb(55, 86, 111)
HSL	hsl(207, 34%, 33%)
HSV	hsv(207, 50%, 44%)
CMYK	cmyk(50.5%, 22.5%, 0%, 56.5%)
CIE-LAB	lab(35.23, -3.81, -17.84)
CIE-LCH	lch(35.23, 18.24, 257.94°)
OKLab	oklab(43.99% -0.0244 -0.0497)
OKLCH	oklch(43.99% 0.055 243.8)
XYZ	xyz(7.7716, 8.6149, 16.2892)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37566F #6F5037

analogous

#376F6C #37566F #373A6F

triadic

#37566F #6F3756 #566F37

tetradic

#37566F #6C376F #6F5037 #3A6F37

square

#37566F #6C376F #6F5037 #3A6F37

split-complementary

#37566F #6F373A #6F6C37

monochromatic

#0E171D #233646 #37566F #4B7698 #6B94B6

Accessibility & contrast

On white

7.71

#37566F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#37566F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37566F

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37566F	#FFFFFF	#000000	##FFFFFF
##37566F	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5670

Deuteranopia (green-blind)

#44506F

Tritanopia (blue-blind)

#1D5C5E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #37566f;
/* rgb */ color: rgb(55, 86, 111);
/* oklch */ color: oklch(44.0% 0.055 243.8);

Tailwind

colors: {
  custom: {
    50: '#718598',
    500: '#37566f',
    950: '#000000',
  },
}

SCSS

$custom: #37566f;
$custom-light: #718598;
$custom-dark: #000000;

JSON

{
  "hex": "#37566f",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 111
  },
  "hsl": {
    "h": 206.786,
    "s": 33.735,
    "l": 32.549
  },
  "oklch": {
    "l": 0.43991,
    "c": 0.05533,
    "h": 243.8
  },
  "luminance": 0.08615
}

Semantic roles & 50–950 ramp

primary

#37566F

secondary

#9F7E63

accent

#8E5ECA

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#080B0D

muted

#7B7C7E

Preview Lab

Preview with #37566F

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

Preview Lab → · Contrast checker → · Palette generator →