#37646F#37646F

#37646F is a mid, muted cyan. Relative luminance 0.111; OKLCH L 47.5% C 0.053 H 215.3°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#37646F
RGB	rgb(55, 100, 111)
HSL	hsl(192, 34%, 33%)
HSV	hsv(192, 50%, 44%)
CMYK	cmyk(50.5%, 9.9%, 0%, 56.5%)
CIE-LAB	lab(39.70, -12.20, -11.01)
CIE-LCH	lch(39.70, 16.44, 222.08°)
OKLab	oklab(47.54% -0.0429 -0.0304)
OKLCH	oklch(47.54% 0.053 215.3)
XYZ	xyz(9.0009, 11.0735, 16.6989)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37646F #6F4237

analogous

#376F5E #37646F #37486F

triadic

#37646F #6F3764 #646F37

tetradic

#37646F #5E376F #6F4237 #486F37

square

#37646F #5E376F #6F4237 #486F37

split-complementary

#37646F #6F3748 #6F5E37

monochromatic

#0E1A1D #233F46 #37646F #4B8998 #6BA7B6

Accessibility & contrast

On white

6.53

#37646F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#37646F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37646F

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37646F	#FFFFFF	#000000	##FFFFFF
##37646F	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C6170

Deuteranopia (green-blind)

#535B6F

Tritanopia (blue-blind)

#196867

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #37646f;
/* rgb */ color: rgb(55, 100, 111);
/* oklch */ color: oklch(47.5% 0.053 215.3);

Tailwind

colors: {
  custom: {
    50: '#729098',
    500: '#37646f',
    950: '#000000',
  },
}

SCSS

$custom: #37646f;
$custom-light: #729098;
$custom-dark: #000000;

JSON

{
  "hex": "#37646f",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 111
  },
  "hsl": {
    "h": 191.786,
    "s": 33.735,
    "l": 32.549
  },
  "oklch": {
    "l": 0.47544,
    "c": 0.05256,
    "h": 215.3
  },
  "luminance": 0.11074
}

Semantic roles & 50–950 ramp

primary

#37646F

secondary

#9F6F63

accent

#735ECA

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080C0D

muted

#7B7D7E

Preview Lab

Preview with #37646F

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

Preview Lab → · Contrast checker → · Palette generator →