#37C3E0#37C3E0

#37C3E0 is a light, vivid cyan. Relative luminance 0.452; OKLCH L 75.7% C 0.121 H 215.2°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#37C3E0
RGB	rgb(55, 195, 224)
HSL	hsl(190, 73%, 55%)
HSV	hsv(190, 75%, 88%)
CMYK	cmyk(75.4%, 12.9%, 0%, 12.2%)
CIE-LAB	lab(73.04, -26.97, -24.99)
CIE-LCH	lch(73.04, 36.77, 222.82°)
OKLab	oklab(75.68% -0.0989 -0.0697)
OKLCH	oklch(75.68% 0.121 215.2)
XYZ	xyz(34.5395, 45.2201, 77.4145)
Luminance	0.4522 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37C3E0 #E05437

analogous

#37E0A9 #37C3E0 #376FE0

triadic

#37C3E0 #E037C3 #C3E037

tetradic

#37C3E0 #A937E0 #E05437 #6FE037

square

#37C3E0 #A937E0 #E05437 #6FE037

split-complementary

#37C3E0 #E0376F #E0A937

monochromatic

#157488 #1DA1BD #37C3E0 #6CD3E8 #A1E3F0

Accessibility & contrast

On white

2.09

#37C3E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#37C3E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37C3E0

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37C3E0	#FFFFFF	#000000	##000000
##37C3E0	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFBDE2

Deuteranopia (green-blind)

#98ACE0

Tritanopia (blue-blind)

#00CECC

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #37c3e0;
/* rgb */ color: rgb(55, 195, 224);
/* oklch */ color: oklch(75.7% 0.121 215.2);

Tailwind

colors: {
  custom: {
    50: '#87d5e9',
    500: '#37c3e0',
    950: '#000000',
  },
}

SCSS

$custom: #37c3e0;
$custom-light: #87d5e9;
$custom-dark: #000000;

JSON

{
  "hex": "#37c3e0",
  "rgb": {
    "r": 55,
    "g": 195,
    "b": 224
  },
  "hsl": {
    "h": 190.296,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.75684,
    "c": 0.12106,
    "h": 215.2
  },
  "luminance": 0.45224
}

Semantic roles & 50–950 ramp

primary

#37C3E0

secondary

#DDA296

accent

#5838F0

background

#F9FDFE

surface

#F1FAFD

border

#CBD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #37C3E0

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

Preview Lab → · Contrast checker → · Palette generator →