#37A0BD#37A0BD

#37A0BD is a light, moderate cyan. Relative luminance 0.296; OKLCH L 65.8% C 0.103 H 220.0°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#37A0BD
RGB	rgb(55, 160, 189)
HSL	hsl(193, 55%, 48%)
HSV	hsv(193, 71%, 74%)
CMYK	cmyk(70.9%, 15.3%, 0%, 25.9%)
CIE-LAB	lab(61.33, -20.27, -23.63)
CIE-LCH	lch(61.33, 31.13, 229.38°)
OKLab	oklab(65.85% -0.0785 -0.066)
OKLCH	oklch(65.85% 0.103 220)
XYZ	xyz(23.3279, 29.6253, 52.6231)
Luminance	0.2963 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A0BD #BD5437

analogous

#37BD97 #37A0BD #375DBD

triadic

#37A0BD #BD37A0 #A0BD37

tetradic

#37A0BD #9737BD #BD5437 #5DBD37

square

#37A0BD #9737BD #BD5437 #5DBD37

split-complementary

#37A0BD #BD375D #BD9737

monochromatic

#1B505E #29788E #37A0BD #60B8D1 #90CEDF

Accessibility & contrast

On white

3.03

#37A0BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#37A0BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37A0BD

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A0BD	#FFFFFF	#000000	##000000
##37A0BD	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9CBF

Deuteranopia (green-blind)

#7C8EBD

Tritanopia (blue-blind)

#00A9A9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #37a0bd;
/* rgb */ color: rgb(55, 160, 189);
/* oklch */ color: oklch(65.8% 0.103 220.0);

Tailwind

colors: {
  custom: {
    50: '#80bcd1',
    500: '#37a0bd',
    950: '#000000',
  },
}

SCSS

$custom: #37a0bd;
$custom-light: #80bcd1;
$custom-dark: #000000;

JSON

{
  "hex": "#37a0bd",
  "rgb": {
    "r": 55,
    "g": 160,
    "b": 189
  },
  "hsl": {
    "h": 192.985,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.65845,
    "c": 0.10252,
    "h": 220
  },
  "luminance": 0.29628
}

Semantic roles & 50–950 ramp

primary

#37A0BD

secondary

#C99586

accent

#6A4ADE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #37A0BD

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

Preview Lab → · Contrast checker → · Palette generator →