#37A1BD#37A1BD

#37A1BD is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.1% C 0.102 H 219.1°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#37A1BD
RGB	rgb(55, 161, 189)
HSL	hsl(193, 55%, 48%)
HSV	hsv(193, 71%, 74%)
CMYK	cmyk(70.9%, 14.8%, 0%, 25.9%)
CIE-LAB	lab(61.63, -20.79, -23.16)
CIE-LCH	lch(61.63, 31.12, 228.09°)
OKLab	oklab(66.09% -0.0795 -0.0646)
OKLCH	oklch(66.09% 0.102 219.1)
XYZ	xyz(23.5019, 29.9734, 52.6811)
Luminance	0.2998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A1BD #BD5337

analogous

#37BD96 #37A1BD #375EBD

triadic

#37A1BD #BD37A1 #A1BD37

tetradic

#37A1BD #9637BD #BD5337 #5EBD37

square

#37A1BD #9637BD #BD5337 #5EBD37

split-complementary

#37A1BD #BD375E #BD9637

monochromatic

#1B505E #29798E #37A1BD #60B9D1 #90CEDF

Accessibility & contrast

On white

3.00

#37A1BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.00

#37A1BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A1BD

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A1BD	#FFFFFF	#000000	##000000
##37A1BD	1.00	3.00	7.00	7.00
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.00	21.00	1.00	1.00
##000000	7.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9DBF

Deuteranopia (green-blind)

#7D8FBD

Tritanopia (blue-blind)

#00AAAA

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #37a1bd;
/* rgb */ color: rgb(55, 161, 189);
/* oklch */ color: oklch(66.1% 0.102 219.1);

Tailwind

colors: {
  custom: {
    50: '#80bdd1',
    500: '#37a1bd',
    950: '#000000',
  },
}

SCSS

$custom: #37a1bd;
$custom-light: #80bdd1;
$custom-dark: #000000;

JSON

{
  "hex": "#37a1bd",
  "rgb": {
    "r": 55,
    "g": 161,
    "b": 189
  },
  "hsl": {
    "h": 192.537,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.66087,
    "c": 0.10246,
    "h": 219.1
  },
  "luminance": 0.29976
}

Semantic roles & 50–950 ramp

primary

#37A1BD

secondary

#C99486

accent

#694ADE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #37A1BD

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

Preview Lab → · Contrast checker → · Palette generator →