#37C2E0#37C2E0

#37C2E0 is a light, vivid cyan. Relative luminance 0.448; OKLCH L 75.4% C 0.121 H 215.9°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#37C2E0
RGB	rgb(55, 194, 224)
HSL	hsl(191, 73%, 55%)
HSV	hsv(191, 75%, 88%)
CMYK	cmyk(75.4%, 13.4%, 0%, 12.2%)
CIE-LAB	lab(72.74, -26.48, -25.44)
CIE-LCH	lch(72.74, 36.72, 223.86°)
OKLab	oklab(75.45% -0.098 -0.071)
OKLCH	oklch(75.45% 0.121 215.9)
XYZ	xyz(34.3161, 44.7735, 77.3401)
Luminance	0.4478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37C2E0 #E05537

analogous

#37E0AA #37C2E0 #376EE0

triadic

#37C2E0 #E037C2 #C2E037

tetradic

#37C2E0 #AA37E0 #E05537 #6EE037

square

#37C2E0 #AA37E0 #E05537 #6EE037

split-complementary

#37C2E0 #E0376E #E0AA37

monochromatic

#157388 #1DA0BD #37C2E0 #6CD2E8 #A1E2F0

Accessibility & contrast

On white

2.11

#37C2E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#37C2E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37C2E0

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37C2E0	#FFFFFF	#000000	##000000
##37C2E0	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEBCE2

Deuteranopia (green-blind)

#97ABE0

Tritanopia (blue-blind)

#00CDCB

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #37c2e0;
/* rgb */ color: rgb(55, 194, 224);
/* oklch */ color: oklch(75.4% 0.121 215.9);

Tailwind

colors: {
  custom: {
    50: '#87d4e9',
    500: '#37c2e0',
    950: '#000000',
  },
}

SCSS

$custom: #37c2e0;
$custom-light: #87d4e9;
$custom-dark: #000000;

JSON

{
  "hex": "#37c2e0",
  "rgb": {
    "r": 55,
    "g": 194,
    "b": 224
  },
  "hsl": {
    "h": 190.651,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.75447,
    "c": 0.12103,
    "h": 215.9
  },
  "luminance": 0.44778
}

Semantic roles & 50–950 ramp

primary

#37C2E0

secondary

#DDA296

accent

#5938F0

background

#F9FDFE

surface

#F1FAFD

border

#CBD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #37C2E0

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

Preview Lab → · Contrast checker → · Palette generator →