#37B0C9#37B0C9

#37B0C9 is a light, moderate cyan. Relative luminance 0.361; OKLCH L 70.2% C 0.109 H 214.7°. Best body text is #000000 at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#37B0C9
RGB	rgb(55, 176, 201)
HSL	hsl(190, 57%, 50%)
HSV	hsv(190, 73%, 79%)
CMYK	cmyk(72.6%, 12.4%, 0%, 21.2%)
CIE-LAB	lab(66.58, -24.69, -22.28)
CIE-LCH	lch(66.58, 33.25, 222.06°)
OKLab	oklab(70.21% -0.0897 -0.0621)
OKLCH	oklch(70.21% 0.109 214.7)
XYZ	xyz(27.6390, 36.0767, 60.7538)
Luminance	0.3608 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B0C9 #C95037

analogous

#37C999 #37B0C9 #3767C9

triadic

#37B0C9 #C937B0 #B0C937

tetradic

#37B0C9 #9937C9 #C95037 #67C937

square

#37B0C9 #9937C9 #C95037 #67C937

split-complementary

#37B0C9 #C93767 #C99937

monochromatic

#1C5C69 #298699 #37B0C9 #67C3D6 #97D6E3

Accessibility & contrast

On white

2.56

#37B0C9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.22

#37B0C9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B0C9

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B0C9	#FFFFFF	#000000	##000000
##37B0C9	1.00	2.56	8.22	8.22
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.22	21.00	1.00	1.00
##000000	8.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EAACA

Deuteranopia (green-blind)

#8A9CC9

Tritanopia (blue-blind)

#00B9B8

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #37b0c9;
/* rgb */ color: rgb(55, 176, 201);
/* oklch */ color: oklch(70.2% 0.109 214.7);

Tailwind

colors: {
  custom: {
    50: '#82c8d9',
    500: '#37b0c9',
    950: '#000000',
  },
}

SCSS

$custom: #37b0c9;
$custom-light: #82c8d9;
$custom-dark: #000000;

JSON

{
  "hex": "#37b0c9",
  "rgb": {
    "r": 55,
    "g": 176,
    "b": 201
  },
  "hsl": {
    "h": 190.274,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.70211,
    "c": 0.10908,
    "h": 214.7
  },
  "luminance": 0.3608
}

Semantic roles & 50–950 ramp

primary

#37B0C9

secondary

#CF988D

accent

#6147E1

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #37B0C9

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

Preview Lab → · Contrast checker → · Palette generator →