#37AACA#37AACA

#37AACA is a light, moderate cyan. Relative luminance 0.338; OKLCH L 68.8% C 0.110 H 220.5°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX#37AACA
RGBrgb(55, 170, 202)
HSLhsl(193, 58%, 50%)
HSVhsv(193, 73%, 79%)
CMYKcmyk(72.8%, 15.8%, 0%, 20.8%)
CIE-LABlab(64.82, -21.29, -25.52)
CIE-LCHlch(64.82, 33.23, 230.16°)
OKLaboklab(68.81% -0.0834 -0.0713)
OKLCHoklch(68.81% 0.11 220.5)
XYZxyz(26.6065, 33.8228, 60.9919)
Luminance0.3383 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37AACA #CA5737
analogous
#37CAA0 #37AACA #3760CA
triadic
#37AACA #CA37AA #AACA37
tetradic
#37AACA #A037CA #CA5737 #60CA37
square
#37AACA #A037CA #CA5737 #60CA37
split-complementary
#37AACA #CA3760 #CAA037
monochromatic
#1C596A #29829B #37AACA #67BFD7 #98D3E4

Accessibility & contrast

On white

2.70
#37AACA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.77
#37AACA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AACA
7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37AACA#FFFFFF#000000##000000
##37AACA1.002.707.777.77
#FFFFFF2.701.0021.0021.00
#0000007.7721.001.001.00
##0000007.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#97A6CC
Deuteranopia (green-blind)
#8397CA
Tritanopia (blue-blind)
#00B4B4
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #37aaca;
/* rgb */ color: rgb(55, 170, 202);
/* oklch */ color: oklch(68.8% 0.110 220.5);
Tailwind
colors: {
  custom: {
    50: '#82c3da',
    500: '#37aaca',
    950: '#000000',
  },
}
SCSS
$custom: #37aaca;
$custom-light: #82c3da;
$custom-dark: #000000;
JSON
{
  "hex": "#37aaca",
  "rgb": {
    "r": 55,
    "g": 170,
    "b": 202
  },
  "hsl": {
    "h": 193.061,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.6881,
    "c": 0.10973,
    "h": 220.5
  },
  "luminance": 0.33826
}

Semantic roles & 50–950 ramp

primary
#37AACA
secondary
#CF9C8E
accent
#6846E1
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #37AACA

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

Preview Lab → · Contrast checker → · Palette generator →

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