#37A7BE#37A7BE

#37A7BE is a light, moderate cyan. Relative luminance 0.322; OKLCH L 67.6% C 0.103 H 214.4°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX#37A7BE
RGBrgb(55, 167, 190)
HSLhsl(190, 55%, 48%)
HSVhsv(190, 71%, 75%)
CMYKcmyk(71.1%, 12.1%, 0%, 25.5%)
CIE-LABlab(63.48, -23.57, -20.90)
CIE-LCHlch(63.48, 31.50, 221.56°)
OKLaboklab(67.58% -0.0851 -0.0582)
OKLCHoklch(67.58% 0.103 214.4)
XYZxyz(24.6846, 32.1645, 53.6126)
Luminance0.3217 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A7BE #BE4E37
analogous
#37BE91 #37A7BE #3764BE
triadic
#37A7BE #BE37A7 #A7BE37
tetradic
#37A7BE #9137BE #BE4E37 #64BE37
square
#37A7BE #9137BE #BE4E37 #64BE37
split-complementary
#37A7BE #BE3764 #BE9137
monochromatic
#1C545F #297D8F #37A7BE #61BED1 #90D2DF

Accessibility & contrast

On white

2.83
#37A7BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.43
#37A7BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7BE
7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A7BE#FFFFFF#000000##000000
##37A7BE1.002.837.437.43
#FFFFFF2.831.0021.0021.00
#0000007.4321.001.001.00
##0000007.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#96A2BF
Deuteranopia (green-blind)
#8494BE
Tritanopia (blue-blind)
#00B0AE
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #37a7be;
/* rgb */ color: rgb(55, 167, 190);
/* oklch */ color: oklch(67.6% 0.103 214.4);
Tailwind
colors: {
  custom: {
    50: '#80c1d1',
    500: '#37a7be',
    950: '#000000',
  },
}
SCSS
$custom: #37a7be;
$custom-light: #80c1d1;
$custom-dark: #000000;
JSON
{
  "hex": "#37a7be",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 190
  },
  "hsl": {
    "h": 190.222,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.67584,
    "c": 0.10314,
    "h": 214.4
  },
  "luminance": 0.32167
}

Semantic roles & 50–950 ramp

primary
#37A7BE
secondary
#CA9287
accent
#6349DE
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #37A7BE

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

Preview Lab → · Contrast checker → · Palette generator →

#37A7BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva