#37A4C0#37A4C0

#37A4C0 is a light, moderate cyan. Relative luminance 0.312; OKLCH L 66.9% C 0.104 H 218.6°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#37A4C0
RGB	rgb(55, 164, 192)
HSL	hsl(192, 55%, 48%)
HSV	hsv(192, 71%, 75%)
CMYK	cmyk(71.4%, 14.6%, 0%, 24.7%)
CIE-LAB	lab(62.65, -21.39, -23.29)
CIE-LCH	lch(62.65, 31.62, 227.43°)
OKLab	oklab(66.94% -0.0813 -0.065)
OKLCH	oklch(66.94% 0.104 218.6)
XYZ	xyz(24.3615, 31.1661, 54.5907)
Luminance	0.3117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A4C0 #C05337

analogous

#37C097 #37A4C0 #375FC0

triadic

#37A4C0 #C037A4 #A4C037

tetradic

#37A4C0 #9737C0 #C05337 #5FC037

square

#37A4C0 #9737C0 #C05337 #5FC037

split-complementary

#37A4C0 #C0375F #C09737

monochromatic

#1C5361 #297B90 #37A4C0 #62BBD2 #92D0E0

Accessibility & contrast

On white

2.90

#37A4C0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#37A4C0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A4C0

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A4C0	#FFFFFF	#000000	##000000
##37A4C0	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929FC2

Deuteranopia (green-blind)

#7F92C0

Tritanopia (blue-blind)

#00ADAD

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #37a4c0;
/* rgb */ color: rgb(55, 164, 192);
/* oklch */ color: oklch(66.9% 0.104 218.6);

Tailwind

colors: {
  custom: {
    50: '#80bfd3',
    500: '#37a4c0',
    950: '#000000',
  },
}

SCSS

$custom: #37a4c0;
$custom-light: #80bfd3;
$custom-dark: #000000;

JSON

{
  "hex": "#37a4c0",
  "rgb": {
    "r": 55,
    "g": 164,
    "b": 192
  },
  "hsl": {
    "h": 192.263,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.6694,
    "c": 0.1041,
    "h": 218.6
  },
  "luminance": 0.31169
}

Semantic roles & 50–950 ramp

primary

#37A4C0

secondary

#CB9688

accent

#6849DF

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A4C0

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

Preview Lab → · Contrast checker → · Palette generator →