#55B9D2#55B9D2

#55B9D2 is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.6% C 0.099 H 216.7°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX#55B9D2
RGBrgb(85, 185, 210)
HSLhsl(192, 58%, 58%)
HSVhsv(192, 60%, 82%)
CMYKcmyk(59.5%, 11.9%, 0%, 17.6%)
CIE-LABlab(70.37, -21.85, -21.37)
CIE-LCHlch(70.37, 30.56, 224.36°)
OKLaboklab(73.59% -0.0795 -0.0593)
OKLCHoklch(73.59% 0.099 216.7)
XYZxyz(32.7235, 41.2791, 67.2034)
Luminance0.4128 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55B9D2 #D26E55
analogous
#55D2AC #55B9D2 #557AD2
triadic
#55B9D2 #D255B9 #B9D255
tetradic
#55B9D2 #AC55D2 #D26E55 #7AD255
square
#55B9D2 #AC55D2 #D26E55 #7AD255
split-complementary
#55B9D2 #D2557A #D2AC55
monochromatic
#247488 #319EB9 #55B9D2 #85CDDF #B6E1EC

Accessibility & contrast

On white

2.27
#55B9D2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.26
#55B9D2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B9D2
9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55B9D2#FFFFFF#000000##000000
##55B9D21.002.279.269.26
#FFFFFF2.271.0021.0021.00
#0000009.2621.001.001.00
##0000009.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8B4D3
Deuteranopia (green-blind)
#96A6D2
Tritanopia (blue-blind)
#00C2C1
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #55b9d2;
/* rgb */ color: rgb(85, 185, 210);
/* oklch */ color: oklch(73.6% 0.099 216.7);
Tailwind
colors: {
  custom: {
    50: '#90cedf',
    500: '#55b9d2',
    950: '#000000',
  },
}
SCSS
$custom: #55b9d2;
$custom-light: #90cedf;
$custom-dark: #000000;
JSON
{
  "hex": "#55b9d2",
  "rgb": {
    "r": 85,
    "g": 185,
    "b": 210
  },
  "hsl": {
    "h": 192,
    "s": 58.14,
    "l": 57.843
  },
  "oklch": {
    "l": 0.73593,
    "c": 0.09923,
    "h": 216.7
  },
  "luminance": 0.41282
}

Semantic roles & 50–950 ramp

primary
#55B9D2
secondary
#DAB2A8
accent
#6546E1
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #55B9D2

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

Preview Lab → · Contrast checker → · Palette generator →

#55B9D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva