#37BFDB#37BFDB

#37BFDB is a light, moderate cyan. Relative luminance 0.432; OKLCH L 74.5% C 0.119 H 215.0°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#37BFDB
RGB	rgb(55, 191, 219)
HSL	hsl(190, 69%, 54%)
HSV	hsv(190, 75%, 86%)
CMYK	cmyk(74.9%, 12.8%, 0%, 14.1%)
CIE-LAB	lab(71.68, -26.55, -24.35)
CIE-LCH	lch(71.68, 36.03, 222.52°)
OKLab	oklab(74.53% -0.0971 -0.0679)
OKLCH	oklch(74.53% 0.119 215)
XYZ	xyz(32.9871, 43.1843, 73.6010)
Luminance	0.4319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BFDB #DB5337

analogous

#37DBA5 #37BFDB #376DDB

triadic

#37BFDB #DB37BF #BFDB37

tetradic

#37BFDB #A537DB #DB5337 #6DDB37

square

#37BFDB #A537DB #DB5337 #6DDB37

split-complementary

#37BFDB #DB376D #DBA537

monochromatic

#176E80 #209BB4 #37BFDB #6BD0E4 #9FE0EE

Accessibility & contrast

On white

2.18

#37BFDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.64

#37BFDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BFDB

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BFDB	#FFFFFF	#000000	##000000
##37BFDB	1.00	2.18	9.64	9.64
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.64	21.00	1.00	1.00
##000000	9.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB9DD

Deuteranopia (green-blind)

#95A9DB

Tritanopia (blue-blind)

#00C9C8

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #37bfdb;
/* rgb */ color: rgb(55, 191, 219);
/* oklch */ color: oklch(74.5% 0.119 215.0);

Tailwind

colors: {
  custom: {
    50: '#86d2e6',
    500: '#37bfdb',
    950: '#000000',
  },
}

SCSS

$custom: #37bfdb;
$custom-light: #86d2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#37bfdb",
  "rgb": {
    "r": 55,
    "g": 191,
    "b": 219
  },
  "hsl": {
    "h": 190.244,
    "s": 69.492,
    "l": 53.725
  },
  "oklch": {
    "l": 0.74532,
    "c": 0.11852,
    "h": 215
  },
  "luminance": 0.43188
}

Semantic roles & 50–950 ramp

primary

#37BFDB

secondary

#DAA094

accent

#5A3BEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #37BFDB

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

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