#37A3CA#37A3CA

#37A3CA is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.1% C 0.111 H 226.5°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#37A3CA
RGB	rgb(55, 163, 202)
HSL	hsl(196, 58%, 50%)
HSV	hsv(196, 73%, 79%)
CMYK	cmyk(72.8%, 19.3%, 0%, 20.8%)
CIE-LAB	lab(62.73, -17.61, -28.74)
CIE-LCH	lch(62.73, 33.70, 238.50°)
OKLab	oklab(67.14% -0.0765 -0.0805)
OKLCH	oklch(67.14% 0.111 226.5)
XYZ	xyz(25.3291, 31.2679, 60.5661)
Luminance	0.3127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A3CA #CA5E37

analogous

#37CAA7 #37A3CA #375ACA

triadic

#37A3CA #CA37A3 #A3CA37

tetradic

#37A3CA #A737CA #CA5E37 #5ACA37

square

#37A3CA #A737CA #CA5E37 #5ACA37

split-complementary

#37A3CA #CA375A #CAA737

monochromatic

#1C566A #297D9B #37A3CA #67B9D7 #98D0E4

Accessibility & contrast

On white

2.89

#37A3CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#37A3CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A3CA

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A3CA	#FFFFFF	#000000	##000000
##37A3CA	1.00	2.89	7.25	7.25
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA0CC

Deuteranopia (green-blind)

#7A91CA

Tritanopia (blue-blind)

#00AEB0

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #37a3ca;
/* rgb */ color: rgb(55, 163, 202);
/* oklch */ color: oklch(67.1% 0.111 226.5);

Tailwind

colors: {
  custom: {
    50: '#82beda',
    500: '#37a3ca',
    950: '#000000',
  },
}

SCSS

$custom: #37a3ca;
$custom-light: #82beda;
$custom-dark: #000000;

JSON

{
  "hex": "#37a3ca",
  "rgb": {
    "r": 55,
    "g": 163,
    "b": 202
  },
  "hsl": {
    "h": 195.918,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.67136,
    "c": 0.11109,
    "h": 226.5
  },
  "luminance": 0.31271
}

Semantic roles & 50–950 ramp

primary

#37A3CA

secondary

#CF9F8E

accent

#7046E1

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A3CA

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

Preview Lab → · Contrast checker → · Palette generator →