#37BDDE#37BDDE

#37BDDE is a light, vivid cyan. Relative luminance 0.425; OKLCH L 74.2% C 0.120 H 218.5°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#37BDDE
RGB	rgb(55, 189, 222)
HSL	hsl(192, 72%, 54%)
HSV	hsv(192, 75%, 87%)
CMYK	cmyk(75.2%, 14.9%, 0%, 12.9%)
CIE-LAB	lab(71.20, -24.60, -26.72)
CIE-LCH	lch(71.20, 36.32, 227.36°)
OKLab	oklab(74.18% -0.094 -0.0747)
OKLCH	oklch(74.18% 0.12 218.5)
XYZ	xyz(32.9524, 42.4774, 75.5553)
Luminance	0.4248 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BDDE #DE5837

analogous

#37DEAB #37BDDE #376ADE

triadic

#37BDDE #DE37BD #BDDE37

tetradic

#37BDDE #AB37DE #DE5837 #6ADE37

square

#37BDDE #AB37DE #DE5837 #6ADE37

split-complementary

#37BDDE #DE376A #DEAB37

monochromatic

#166F85 #1F9BB9 #37BDDE #6CCEE7 #A0E0EF

Accessibility & contrast

On white

2.21

#37BDDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#37BDDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BDDE

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BDDE	#FFFFFF	#000000	##000000
##37BDDE	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B8E0

Deuteranopia (green-blind)

#92A7DE

Tritanopia (blue-blind)

#00C8C7

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #37bdde;
/* rgb */ color: rgb(55, 189, 222);
/* oklch */ color: oklch(74.2% 0.120 218.5);

Tailwind

colors: {
  custom: {
    50: '#86d1e8',
    500: '#37bdde',
    950: '#000000',
  },
}

SCSS

$custom: #37bdde;
$custom-light: #86d1e8;
$custom-dark: #000000;

JSON

{
  "hex": "#37bdde",
  "rgb": {
    "r": 55,
    "g": 189,
    "b": 222
  },
  "hsl": {
    "h": 191.856,
    "s": 71.674,
    "l": 54.314
  },
  "oklch": {
    "l": 0.74181,
    "c": 0.12008,
    "h": 218.5
  },
  "luminance": 0.42481
}

Semantic roles & 50–950 ramp

primary

#37BDDE

secondary

#DCA395

accent

#5D39EE

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #37BDDE

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

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