#37656F#37656F

#37656F is a mid, muted cyan. Relative luminance 0.113; OKLCH L 47.8% C 0.053 H 213.3°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#37656F
RGB	rgb(55, 101, 111)
HSL	hsl(191, 34%, 33%)
HSV	hsv(191, 50%, 44%)
CMYK	cmyk(50.5%, 9%, 0%, 56.5%)
CIE-LAB	lab(40.03, -12.77, -10.53)
CIE-LCH	lch(40.03, 16.55, 219.49°)
OKLab	oklab(47.8% -0.0442 -0.029)
OKLCH	oklch(47.8% 0.053 213.3)
XYZ	xyz(9.0974, 11.2665, 16.7311)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37656F #6F4137

analogous

#376F5D #37656F #37496F

triadic

#37656F #6F3765 #656F37

tetradic

#37656F #5D376F #6F4137 #496F37

square

#37656F #5D376F #6F4137 #496F37

split-complementary

#37656F #6F3749 #6F5D37

monochromatic

#0E1B1D #234046 #37656F #4B8A98 #6BA8B6

Accessibility & contrast

On white

6.45

#37656F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#37656F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37656F

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37656F	#FFFFFF	#000000	##FFFFFF
##37656F	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6270

Deuteranopia (green-blind)

#555B6F

Tritanopia (blue-blind)

#196968

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #37656f;
/* rgb */ color: rgb(55, 101, 111);
/* oklch */ color: oklch(47.8% 0.053 213.3);

Tailwind

colors: {
  custom: {
    50: '#729198',
    500: '#37656f',
    950: '#000000',
  },
}

SCSS

$custom: #37656f;
$custom-light: #729198;
$custom-dark: #000000;

JSON

{
  "hex": "#37656f",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 111
  },
  "hsl": {
    "h": 190.714,
    "s": 33.735,
    "l": 32.549
  },
  "oklch": {
    "l": 0.47801,
    "c": 0.05286,
    "h": 213.3
  },
  "luminance": 0.11267
}

Semantic roles & 50–950 ramp

primary

#37656F

secondary

#9F6E63

accent

#715ECA

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080C0D

muted

#7B7D7E

Preview Lab

Preview with #37656F

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

Preview Lab → · Contrast checker → · Palette generator →