#37A2CC#37A2CC

#37A2CC is a light, moderate cyan. Relative luminance 0.310; OKLCH L 67.0% C 0.113 H 228.6°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#37A2CC
RGB	rgb(55, 162, 204)
HSL	hsl(197, 59%, 51%)
HSV	hsv(197, 73%, 80%)
CMYK	cmyk(73%, 20.6%, 0%, 20%)
CIE-LAB	lab(62.52, -16.41, -30.19)
CIE-LCH	lch(62.52, 34.36, 241.47°)
OKLab	oklab(66.99% -0.0748 -0.0847)
OKLCH	oklch(66.99% 0.113 228.6)
XYZ	xyz(25.3905, 31.0096, 61.7623)
Luminance	0.3101 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A2CC #CC6137

analogous

#37CCAC #37A2CC #3757CC

triadic

#37A2CC #CC37A2 #A2CC37

tetradic

#37A2CC #AC37CC #CC6137 #57CC37

square

#37A2CC #AC37CC #CC6137 #57CC37

split-complementary

#37A2CC #CC3757 #CCAC37

monochromatic

#1C566D #287D9E #37A2CC #68B9D8 #99CFE5

Accessibility & contrast

On white

2.92

#37A2CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.20

#37A2CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A2CC

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A2CC	#FFFFFF	#000000	##000000
##37A2CC	1.00	2.92	7.20	7.20
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.20	21.00	1.00	1.00
##000000	7.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9FCE

Deuteranopia (green-blind)

#7891CB

Tritanopia (blue-blind)

#00AEB0

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #37a2cc;
/* rgb */ color: rgb(55, 162, 204);
/* oklch */ color: oklch(67.0% 0.113 228.6);

Tailwind

colors: {
  custom: {
    50: '#82bddb',
    500: '#37a2cc',
    950: '#000000',
  },
}

SCSS

$custom: #37a2cc;
$custom-light: #82bddb;
$custom-dark: #000000;

JSON

{
  "hex": "#37a2cc",
  "rgb": {
    "r": 55,
    "g": 162,
    "b": 204
  },
  "hsl": {
    "h": 196.913,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.66989,
    "c": 0.11301,
    "h": 228.6
  },
  "luminance": 0.31013
}

Semantic roles & 50–950 ramp

primary

#37A2CC

secondary

#D0A18E

accent

#7245E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A2CC

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

Preview Lab → · Contrast checker → · Palette generator →