#37BBDA#37BBDA

#37BBDA is a light, moderate cyan. Relative luminance 0.414; OKLCH L 73.5% C 0.118 H 217.4°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#37BBDA
RGB	rgb(55, 187, 218)
HSL	hsl(191, 69%, 54%)
HSV	hsv(191, 75%, 85%)
CMYK	cmyk(74.8%, 14.2%, 0%, 14.5%)
CIE-LAB	lab(70.46, -24.87, -25.67)
CIE-LCH	lch(70.46, 35.74, 225.91°)
OKLab	oklab(73.54% -0.0937 -0.0717)
OKLCH	oklch(73.54% 0.118 217.4)
XYZ	xyz(31.9954, 41.4110, 72.6229)
Luminance	0.4142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BBDA #DA5637

analogous

#37DAA7 #37BBDA #3769DA

triadic

#37BBDA #DA37BB #BBDA37

tetradic

#37BBDA #A737DA #DA5637 #69DA37

square

#37BBDA #A737DA #DA5637 #69DA37

split-complementary

#37BBDA #DA3769 #DAA737

monochromatic

#186B7F #2197B3 #37BBDA #6BCDE4 #9EDEED

Accessibility & contrast

On white

2.26

#37BBDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#37BBDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BBDA

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BBDA	#FFFFFF	#000000	##000000
##37BBDA	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B5DC

Deuteranopia (green-blind)

#91A5DA

Tritanopia (blue-blind)

#00C6C5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #37bbda;
/* rgb */ color: rgb(55, 187, 218);
/* oklch */ color: oklch(73.5% 0.118 217.4);

Tailwind

colors: {
  custom: {
    50: '#86cfe5',
    500: '#37bbda',
    950: '#000000',
  },
}

SCSS

$custom: #37bbda;
$custom-light: #86cfe5;
$custom-dark: #000000;

JSON

{
  "hex": "#37bbda",
  "rgb": {
    "r": 55,
    "g": 187,
    "b": 218
  },
  "hsl": {
    "h": 191.411,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.7354,
    "c": 0.11796,
    "h": 217.4
  },
  "luminance": 0.41415
}

Semantic roles & 50–950 ramp

primary

#37BBDA

secondary

#D9A193

accent

#5E3CEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1415

muted

#7E8284

Preview Lab

Preview with #37BBDA

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

Preview Lab → · Contrast checker → · Palette generator →