#37A7D0#37A7D0

#37A7D0 is a light, moderate cyan. Relative luminance 0.330; OKLCH L 68.4% C 0.115 H 227.0°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX#37A7D0
RGBrgb(55, 167, 208)
HSLhsl(196, 62%, 52%)
HSVhsv(196, 74%, 82%)
CMYKcmyk(73.6%, 19.7%, 0%, 18.4%)
CIE-LABlab(64.16, -17.76, -29.86)
CIE-LCHlch(64.16, 34.74, 239.27°)
OKLaboklab(68.36% -0.0782 -0.0838)
OKLCHoklch(68.36% 0.115 227)
XYZxyz(26.7748, 33.0006, 64.6209)
Luminance0.3300 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A7D0 #D06037
analogous
#37D0AC #37A7D0 #375BD0
triadic
#37A7D0 #D037A7 #A7D037
tetradic
#37A7D0 #AC37D0 #D06037 #5BD037
square
#37A7D0 #AC37D0 #D06037 #5BD037
split-complementary
#37A7D0 #D0375B #D0AC37
monochromatic
#1B5B72 #2682A3 #37A7D0 #69BDDC #9AD3E7

Accessibility & contrast

On white

2.76
#37A7D0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.60
#37A7D0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7D0
7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A7D0#FFFFFF#000000##000000
##37A7D01.002.767.607.60
#FFFFFF2.761.0021.0021.00
#0000007.6021.001.001.00
##0000007.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#91A4D2
Deuteranopia (green-blind)
#7C95CF
Tritanopia (blue-blind)
#00B3B4
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #37a7d0;
/* rgb */ color: rgb(55, 167, 208);
/* oklch */ color: oklch(68.4% 0.115 227.0);
Tailwind
colors: {
  custom: {
    50: '#83c1de',
    500: '#37a7d0',
    950: '#000000',
  },
}
SCSS
$custom: #37a7d0;
$custom-light: #83c1de;
$custom-dark: #000000;
JSON
{
  "hex": "#37a7d0",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 208
  },
  "hsl": {
    "h": 196.078,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.68358,
    "c": 0.1146,
    "h": 227
  },
  "luminance": 0.33004
}

Semantic roles & 50–950 ramp

primary
#37A7D0
secondary
#D3A290
accent
#6E43E5
background
#F8FBFD
surface
#F0F7FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #37A7D0

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

Preview Lab → · Contrast checker → · Palette generator →

#37A7D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva