#37B0CE#37B0CE

#37B0CE is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.4% C 0.112 H 218.2°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#37B0CE
RGB	rgb(55, 176, 206)
HSL	hsl(192, 61%, 51%)
HSV	hsv(192, 73%, 81%)
CMYK	cmyk(73.3%, 14.6%, 0%, 19.2%)
CIE-LAB	lab(66.76, -23.10, -24.76)
CIE-LCH	lch(66.76, 33.86, 226.99°)
OKLab	oklab(70.42% -0.0877 -0.0691)
OKLCH	oklch(70.42% 0.112 218.2)
XYZ	xyz(28.2368, 36.3158, 63.9020)
Luminance	0.3632 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B0CE #CE5537

analogous

#37CEA1 #37B0CE #3764CE

triadic

#37B0CE #CE37B0 #B0CE37

tetradic

#37B0CE #A137CE #CE5537 #64CE37

square

#37B0CE #A137CE #CE5537 #64CE37

split-complementary

#37B0CE #CE3764 #CEA137

monochromatic

#1B5F6F #2788A0 #37B0CE #68C3DA #99D7E6

Accessibility & contrast

On white

2.54

#37B0CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#37B0CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B0CE

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B0CE	#FFFFFF	#000000	##000000
##37B0CE	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DABD0

Deuteranopia (green-blind)

#889CCE

Tritanopia (blue-blind)

#00BAB9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #37b0ce;
/* rgb */ color: rgb(55, 176, 206);
/* oklch */ color: oklch(70.4% 0.112 218.2);

Tailwind

colors: {
  custom: {
    50: '#83c7dd',
    500: '#37b0ce',
    950: '#000000',
  },
}

SCSS

$custom: #37b0ce;
$custom-light: #83c7dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37b0ce",
  "rgb": {
    "r": 55,
    "g": 176,
    "b": 206
  },
  "hsl": {
    "h": 191.921,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.70417,
    "c": 0.11169,
    "h": 218.2
  },
  "luminance": 0.36319
}

Semantic roles & 50–950 ramp

primary

#37B0CE

secondary

#D29C8F

accent

#6444E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B0CE

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

Preview Lab → · Contrast checker → · Palette generator →