#37ACD0#37ACD0

#37ACD0 is a light, moderate cyan. Relative luminance 0.349; OKLCH L 69.5% C 0.113 H 222.9°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#37ACD0
RGB	rgb(55, 172, 208)
HSL	hsl(194, 62%, 52%)
HSV	hsv(194, 74%, 82%)
CMYK	cmyk(73.6%, 17.3%, 0%, 18.4%)
CIE-LAB	lab(65.65, -20.39, -27.57)
CIE-LCH	lch(65.65, 34.29, 233.52°)
OKLab	oklab(69.55% -0.0831 -0.0772)
OKLCH	oklch(69.55% 0.113 222.9)
XYZ	xyz(27.7085, 34.8681, 64.9322)
Luminance	0.3487 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ACD0 #D05B37

analogous

#37D0A8 #37ACD0 #3760D0

triadic

#37ACD0 #D037AC #ACD037

tetradic

#37ACD0 #A837D0 #D05B37 #60D037

square

#37ACD0 #A837D0 #D05B37 #60D037

split-complementary

#37ACD0 #D03760 #D0A837

monochromatic

#1B5D72 #2686A3 #37ACD0 #69C1DC #9AD5E7

Accessibility & contrast

On white

2.63

#37ACD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.97

#37ACD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ACD0

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ACD0	#FFFFFF	#000000	##000000
##37ACD0	1.00	2.63	7.97	7.97
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.97	21.00	1.00	1.00
##000000	7.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A8D2

Deuteranopia (green-blind)

#8399D0

Tritanopia (blue-blind)

#00B7B8

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #37acd0;
/* rgb */ color: rgb(55, 172, 208);
/* oklch */ color: oklch(69.5% 0.113 222.9);

Tailwind

colors: {
  custom: {
    50: '#83c5de',
    500: '#37acd0',
    950: '#000000',
  },
}

SCSS

$custom: #37acd0;
$custom-light: #83c5de;
$custom-dark: #000000;

JSON

{
  "hex": "#37acd0",
  "rgb": {
    "r": 55,
    "g": 172,
    "b": 208
  },
  "hsl": {
    "h": 194.118,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.69547,
    "c": 0.11338,
    "h": 222.9
  },
  "luminance": 0.34871
}

Semantic roles & 50–950 ramp

primary

#37ACD0

secondary

#D3A090

accent

#6943E5

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37ACD0

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

Preview Lab → · Contrast checker → · Palette generator →