#37A9C2#37A9C2

#37A9C2 is a light, moderate cyan. Relative luminance 0.331; OKLCH L 68.2% C 0.105 H 215.6°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#37A9C2
RGB	rgb(55, 169, 194)
HSL	hsl(191, 56%, 49%)
HSV	hsv(191, 72%, 76%)
CMYK	cmyk(71.6%, 12.9%, 0%, 23.9%)
CIE-LAB	lab(64.23, -23.33, -21.99)
CIE-LCH	lch(64.23, 32.06, 223.30°)
OKLab	oklab(68.23% -0.0855 -0.0613)
OKLCH	oklch(68.23% 0.105 215.6)
XYZ	xyz(25.4970, 33.0802, 56.0698)
Luminance	0.3308 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A9C2 #C25037

analogous

#37C296 #37A9C2 #3764C2

triadic

#37A9C2 #C237A9 #A9C237

tetradic

#37A9C2 #9637C2 #C25037 #64C237

square

#37A9C2 #9637C2 #C25037 #64C237

split-complementary

#37A9C2 #C23764 #C29637

monochromatic

#1C5663 #297F92 #37A9C2 #63BFD3 #93D2E0

Accessibility & contrast

On white

2.76

#37A9C2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#37A9C2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A9C2

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A9C2	#FFFFFF	#000000	##000000
##37A9C2	1.00	2.76	7.62	7.62
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.62	21.00	1.00	1.00
##000000	7.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A4C3

Deuteranopia (green-blind)

#8496C2

Tritanopia (blue-blind)

#00B2B1

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #37a9c2;
/* rgb */ color: rgb(55, 169, 194);
/* oklch */ color: oklch(68.2% 0.105 215.6);

Tailwind

colors: {
  custom: {
    50: '#81c2d4',
    500: '#37a9c2',
    950: '#000000',
  },
}

SCSS

$custom: #37a9c2;
$custom-light: #81c2d4;
$custom-dark: #000000;

JSON

{
  "hex": "#37a9c2",
  "rgb": {
    "r": 55,
    "g": 169,
    "b": 194
  },
  "hsl": {
    "h": 190.791,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.68233,
    "c": 0.10523,
    "h": 215.6
  },
  "luminance": 0.33083
}

Semantic roles & 50–950 ramp

primary

#37A9C2

secondary

#CB9589

accent

#6449DF

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A9C2

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

Preview Lab → · Contrast checker → · Palette generator →