#37B2DA#37B2DA

#37B2DA is a light, moderate cyan. Relative luminance 0.377; OKLCH L 71.4% C 0.119 H 224.4°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#37B2DA
RGB	rgb(55, 178, 218)
HSL	hsl(195, 69%, 54%)
HSV	hsv(195, 75%, 85%)
CMYK	cmyk(74.8%, 18.3%, 0%, 14.5%)
CIE-LAB	lab(67.81, -20.26, -29.75)
CIE-LCH	lch(67.81, 35.99, 235.75°)
OKLab	oklab(71.41% -0.0851 -0.0834)
OKLCH	oklch(71.41% 0.119 224.4)
XYZ	xyz(30.1456, 37.7114, 72.0063)
Luminance	0.3771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B2DA #DA5F37

analogous

#37DAB0 #37B2DA #3760DA

triadic

#37B2DA #DA37B2 #B2DA37

tetradic

#37B2DA #B037DA #DA5F37 #60DA37

square

#37B2DA #B037DA #DA5F37 #60DA37

split-complementary

#37B2DA #DA3760 #DAB037

monochromatic

#18667F #218FB3 #37B2DA #6BC6E4 #9EDAED

Accessibility & contrast

On white

2.46

#37B2DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.54

#37B2DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B2DA

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B2DA	#FFFFFF	#000000	##000000
##37B2DA	1.00	2.46	8.54	8.54
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.54	21.00	1.00	1.00
##000000	8.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CAEDC

Deuteranopia (green-blind)

#869EDA

Tritanopia (blue-blind)

#00BEBF

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #37b2da;
/* rgb */ color: rgb(55, 178, 218);
/* oklch */ color: oklch(71.4% 0.119 224.4);

Tailwind

colors: {
  custom: {
    50: '#85c9e5',
    500: '#37b2da',
    950: '#000000',
  },
}

SCSS

$custom: #37b2da;
$custom-light: #85c9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#37b2da",
  "rgb": {
    "r": 55,
    "g": 178,
    "b": 218
  },
  "hsl": {
    "h": 194.724,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.71408,
    "c": 0.11913,
    "h": 224.4
  },
  "luminance": 0.37715
}

Semantic roles & 50–950 ramp

primary

#37B2DA

secondary

#D9A593

accent

#673CEC

background

#F8FCFE

surface

#F0F8FC

border

#CBD1D5

text

#0D1315

muted

#7D8284

Preview Lab

Preview with #37B2DA

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

Preview Lab → · Contrast checker → · Palette generator →