#37BBDB#37BBDB

#37BBDB is a light, moderate cyan. Relative luminance 0.415; OKLCH L 73.6% C 0.119 H 218.1°. Best body text is #000000 at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#37BBDB
RGB	rgb(55, 187, 219)
HSL	hsl(192, 69%, 54%)
HSV	hsv(192, 75%, 86%)
CMYK	cmyk(74.9%, 14.6%, 0%, 14.1%)
CIE-LAB	lab(70.50, -24.55, -26.16)
CIE-LCH	lch(70.50, 35.87, 226.82°)
OKLab	oklab(73.58% -0.0933 -0.0731)
OKLCH	oklch(73.58% 0.119 218.1)
XYZ	xyz(32.1267, 41.4635, 73.3141)
Luminance	0.4147 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BBDB #DB5737

analogous

#37DBA9 #37BBDB #3769DB

triadic

#37BBDB #DB37BB #BBDB37

tetradic

#37BBDB #A937DB #DB5737 #69DB37

square

#37BBDB #A937DB #DB5737 #69DB37

split-complementary

#37BBDB #DB3769 #DBA937

monochromatic

#176C80 #2097B4 #37BBDB #6BCDE4 #9FDEEE

Accessibility & contrast

On white

2.26

#37BBDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.29

#37BBDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BBDB

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BBDB	#FFFFFF	#000000	##000000
##37BBDB	1.00	2.26	9.29	9.29
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.29	21.00	1.00	1.00
##000000	9.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B6DD

Deuteranopia (green-blind)

#90A5DB

Tritanopia (blue-blind)

#00C6C5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #37bbdb;
/* rgb */ color: rgb(55, 187, 219);
/* oklch */ color: oklch(73.6% 0.119 218.1);

Tailwind

colors: {
  custom: {
    50: '#86cfe6',
    500: '#37bbdb',
    950: '#000000',
  },
}

SCSS

$custom: #37bbdb;
$custom-light: #86cfe6;
$custom-dark: #000000;

JSON

{
  "hex": "#37bbdb",
  "rgb": {
    "r": 55,
    "g": 187,
    "b": 219
  },
  "hsl": {
    "h": 191.707,
    "s": 69.492,
    "l": 53.725
  },
  "oklch": {
    "l": 0.73582,
    "c": 0.11851,
    "h": 218.1
  },
  "luminance": 0.41467
}

Semantic roles & 50–950 ramp

primary

#37BBDB

secondary

#DAA294

accent

#5E3BEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #37BBDB

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

Preview Lab → · Contrast checker → · Palette generator →