#37C6E5#37C6E5

#37C6E5 is a light, vivid cyan. Relative luminance 0.469; OKLCH L 76.6% C 0.124 H 216.1°. Best body text is #000000 at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#37C6E5
RGB	rgb(55, 198, 229)
HSL	hsl(191, 77%, 56%)
HSV	hsv(191, 76%, 90%)
CMYK	cmyk(76%, 13.5%, 0%, 10.2%)
CIE-LAB	lab(74.10, -26.89, -26.08)
CIE-LCH	lch(74.10, 37.46, 224.12°)
OKLab	oklab(76.6% -0.0998 -0.0728)
OKLCH	oklch(76.6% 0.124 216.1)
XYZ	xyz(35.9065, 46.8532, 81.2647)
Luminance	0.4686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37C6E5 #E55637

analogous

#37E5AD #37C6E5 #376FE5

triadic

#37C6E5 #E537C6 #C6E537

tetradic

#37C6E5 #AD37E5 #E55637 #6FE537

square

#37C6E5 #AD37E5 #E55637 #6FE537

split-complementary

#37C6E5 #E5376F #E5AD37

monochromatic

#13798F #1AA7C5 #37C6E5 #6DD5EC #A3E5F3

Accessibility & contrast

On white

2.02

#37C6E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.37

#37C6E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37C6E5

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37C6E5	#FFFFFF	#000000	##000000
##37C6E5	1.00	2.02	10.37	10.37
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.37	21.00	1.00	1.00
##000000	10.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C0E7

Deuteranopia (green-blind)

#9AAFE5

Tritanopia (blue-blind)

#00D1D0

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #37c6e5;
/* rgb */ color: rgb(55, 198, 229);
/* oklch */ color: oklch(76.6% 0.124 216.1);

Tailwind

colors: {
  custom: {
    50: '#88d7ed',
    500: '#37c6e5',
    950: '#000000',
  },
}

SCSS

$custom: #37c6e5;
$custom-light: #88d7ed;
$custom-dark: #000000;

JSON

{
  "hex": "#37c6e5",
  "rgb": {
    "r": 55,
    "g": 198,
    "b": 229
  },
  "hsl": {
    "h": 190.69,
    "s": 76.991,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76596,
    "c": 0.12357,
    "h": 216.1
  },
  "luminance": 0.46858
}

Semantic roles & 50–950 ramp

primary

#37C6E5

secondary

#E0A598

accent

#5634F4

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #37C6E5

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

Preview Lab → · Contrast checker → · Palette generator →