#37A8CA#37A8CA

#37A8CA is a light, moderate cyan. Relative luminance 0.331; OKLCH L 68.3% C 0.110 H 222.2°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX#37A8CA
RGBrgb(55, 168, 202)
HSLhsl(194, 58%, 50%)
HSVhsv(194, 73%, 79%)
CMYKcmyk(72.8%, 16.8%, 0%, 20.8%)
CIE-LABlab(64.22, -20.25, -26.44)
CIE-LCHlch(64.22, 33.30, 232.55°)
OKLaboklab(68.33% -0.0814 -0.0739)
OKLCHoklch(68.33% 0.11 222.2)
XYZxyz(26.2344, 33.0787, 60.8678)
Luminance0.3308 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A8CA #CA5937
analogous
#37CAA3 #37A8CA #375ECA
triadic
#37A8CA #CA37A8 #A8CA37
tetradic
#37A8CA #A337CA #CA5937 #5ECA37
square
#37A8CA #A337CA #CA5937 #5ECA37
split-complementary
#37A8CA #CA375E #CAA337
monochromatic
#1C586A #29809B #37A8CA #67BDD7 #98D2E4

Accessibility & contrast

On white

2.76
#37A8CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.62
#37A8CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A8CA
7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A8CA#FFFFFF#000000##000000
##37A8CA1.002.767.627.62
#FFFFFF2.761.0021.0021.00
#0000007.6221.001.001.00
##0000007.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#94A4CC
Deuteranopia (green-blind)
#8095CA
Tritanopia (blue-blind)
#00B3B3
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #37a8ca;
/* rgb */ color: rgb(55, 168, 202);
/* oklch */ color: oklch(68.3% 0.110 222.2);
Tailwind
colors: {
  custom: {
    50: '#82c2da',
    500: '#37a8ca',
    950: '#000000',
  },
}
SCSS
$custom: #37a8ca;
$custom-light: #82c2da;
$custom-dark: #000000;
JSON
{
  "hex": "#37a8ca",
  "rgb": {
    "r": 55,
    "g": 168,
    "b": 202
  },
  "hsl": {
    "h": 193.878,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.68331,
    "c": 0.10999,
    "h": 222.2
  },
  "luminance": 0.33082
}

Semantic roles & 50–950 ramp

primary
#37A8CA
secondary
#CF9D8E
accent
#6A46E1
background
#F8FBFD
surface
#F0F7FA
border
#CBD0D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #37A8CA

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

Preview Lab → · Contrast checker → · Palette generator →

#37A8CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva