#37A7CE#37A7CE

#37A7CE is a light, moderate cyan. Relative luminance 0.329; OKLCH L 68.3% C 0.113 H 225.7°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX#37A7CE
RGBrgb(55, 167, 206)
HSLhsl(195, 61%, 51%)
HSVhsv(195, 73%, 81%)
CMYKcmyk(73.3%, 18.9%, 0%, 19.2%)
CIE-LABlab(64.08, -18.41, -28.88)
CIE-LCHlch(64.08, 34.25, 237.47°)
OKLaboklab(68.27% -0.079 -0.0809)
OKLCHoklch(68.27% 0.113 225.7)
XYZxyz(26.5303, 32.9028, 63.3332)
Luminance0.3291 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A7CE #CE5E37
analogous
#37CEAA #37A7CE #375BCE
triadic
#37A7CE #CE37A7 #A7CE37
tetradic
#37A7CE #AA37CE #CE5E37 #5BCE37
square
#37A7CE #AA37CE #CE5E37 #5BCE37
split-complementary
#37A7CE #CE375B #CEAA37
monochromatic
#1B5A6F #2781A0 #37A7CE #68BDDA #99D2E6

Accessibility & contrast

On white

2.77
#37A7CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.58
#37A7CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7CE
7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A7CE#FFFFFF#000000##000000
##37A7CE1.002.777.587.58
#FFFFFF2.771.0021.0021.00
#0000007.5821.001.001.00
##0000007.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#92A4D0
Deuteranopia (green-blind)
#7D95CE
Tritanopia (blue-blind)
#00B2B4
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #37a7ce;
/* rgb */ color: rgb(55, 167, 206);
/* oklch */ color: oklch(68.3% 0.113 225.7);
Tailwind
colors: {
  custom: {
    50: '#82c1dd',
    500: '#37a7ce',
    950: '#000000',
  },
}
SCSS
$custom: #37a7ce;
$custom-light: #82c1dd;
$custom-dark: #000000;
JSON
{
  "hex": "#37a7ce",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 206
  },
  "hsl": {
    "h": 195.497,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.68268,
    "c": 0.11306,
    "h": 225.7
  },
  "luminance": 0.32906
}

Semantic roles & 50–950 ramp

primary
#37A7CE
secondary
#D2A08F
accent
#6D44E4
background
#F8FBFD
surface
#F0F7FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #37A7CE

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

Preview Lab → · Contrast checker → · Palette generator →

#37A7CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva