#37BCDA#37BCDA

#37BCDA is a light, moderate cyan. Relative luminance 0.418; OKLCH L 73.8% C 0.118 H 216.6°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#37BCDA
RGB	rgb(55, 188, 218)
HSL	hsl(191, 69%, 54%)
HSV	hsv(191, 75%, 85%)
CMYK	cmyk(74.8%, 13.8%, 0%, 14.5%)
CIE-LAB	lab(70.76, -25.37, -25.22)
CIE-LCH	lch(70.76, 35.77, 224.83°)
OKLab	oklab(73.78% -0.0946 -0.0704)
OKLCH	oklch(73.78% 0.118 216.6)
XYZ	xyz(32.2083, 41.8367, 72.6939)
Luminance	0.4184 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BCDA #DA5537

analogous

#37DAA6 #37BCDA #376ADA

triadic

#37BCDA #DA37BC #BCDA37

tetradic

#37BCDA #A637DA #DA5537 #6ADA37

square

#37BCDA #A637DA #DA5537 #6ADA37

split-complementary

#37BCDA #DA376A #DAA637

monochromatic

#186C7F #2198B3 #37BCDA #6BCDE4 #9EDFED

Accessibility & contrast

On white

2.24

#37BCDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#37BCDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BCDA

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BCDA	#FFFFFF	#000000	##000000
##37BCDA	1.00	2.24	9.37	9.37
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.37	21.00	1.00	1.00
##000000	9.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B6DC

Deuteranopia (green-blind)

#92A6DA

Tritanopia (blue-blind)

#00C7C5

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #37bcda;
/* rgb */ color: rgb(55, 188, 218);
/* oklch */ color: oklch(73.8% 0.118 216.6);

Tailwind

colors: {
  custom: {
    50: '#86d0e5',
    500: '#37bcda',
    950: '#000000',
  },
}

SCSS

$custom: #37bcda;
$custom-light: #86d0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#37bcda",
  "rgb": {
    "r": 55,
    "g": 188,
    "b": 218
  },
  "hsl": {
    "h": 191.043,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.73778,
    "c": 0.11794,
    "h": 216.6
  },
  "luminance": 0.41841
}

Semantic roles & 50–950 ramp

primary

#37BCDA

secondary

#D9A093

accent

#5C3CEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1415

muted

#7E8284

Preview Lab

Preview with #37BCDA

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

Preview Lab → · Contrast checker → · Palette generator →