#37C4E2#37C4E2

#37C4E2 is a light, vivid cyan. Relative luminance 0.458; OKLCH L 76.0% C 0.122 H 215.7°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#37C4E2
RGB	rgb(55, 196, 226)
HSL	hsl(191, 75%, 55%)
HSV	hsv(191, 76%, 89%)
CMYK	cmyk(75.7%, 13.3%, 0%, 11.4%)
CIE-LAB	lab(73.40, -26.84, -25.52)
CIE-LCH	lch(73.40, 37.04, 223.55°)
OKLab	oklab(76% -0.0991 -0.0712)
OKLCH	oklch(76% 0.122 215.7)
XYZ	xyz(35.0371, 45.7788, 78.9264)
Luminance	0.4578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37C4E2 #E25537

analogous

#37E2AA #37C4E2 #376FE2

triadic

#37C4E2 #E237C4 #C4E237

tetradic

#37C4E2 #AA37E2 #E25537 #6FE237

square

#37C4E2 #AA37E2 #E25537 #6FE237

split-complementary

#37C4E2 #E2376F #E2AA37

monochromatic

#14768B #1CA3C0 #37C4E2 #6CD4EA #A2E4F2

Accessibility & contrast

On white

2.07

#37C4E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.16

#37C4E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37C4E2

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37C4E2	#FFFFFF	#000000	##000000
##37C4E2	1.00	2.07	10.16	10.16
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.16	21.00	1.00	1.00
##000000	10.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFBEE4

Deuteranopia (green-blind)

#98ADE2

Tritanopia (blue-blind)

#00CFCD

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #37c4e2;
/* rgb */ color: rgb(55, 196, 226);
/* oklch */ color: oklch(76.0% 0.122 215.7);

Tailwind

colors: {
  custom: {
    50: '#87d6eb',
    500: '#37c4e2',
    950: '#000000',
  },
}

SCSS

$custom: #37c4e2;
$custom-light: #87d6eb;
$custom-dark: #000000;

JSON

{
  "hex": "#37c4e2",
  "rgb": {
    "r": 55,
    "g": 196,
    "b": 226
  },
  "hsl": {
    "h": 190.526,
    "s": 74.672,
    "l": 55.098
  },
  "oklch": {
    "l": 0.76001,
    "c": 0.12206,
    "h": 215.7
  },
  "luminance": 0.45783
}

Semantic roles & 50–950 ramp

primary

#37C4E2

secondary

#DEA397

accent

#5737F1

background

#F9FDFE

surface

#F1FAFD

border

#CBD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #37C4E2

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

Preview Lab → · Contrast checker → · Palette generator →