#55B8DA#55B8DA

#55B8DA is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.7% C 0.104 H 223.6°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).

Color values

HEX#55B8DA
RGBrgb(85, 184, 218)
HSLhsl(195, 64%, 59%)
HSVhsv(195, 61%, 85%)
CMYKcmyk(61%, 15.6%, 0%, 14.5%)
CIE-LABlab(70.37, -18.95, -25.75)
CIE-LCHlch(70.37, 31.97, 233.65°)
OKLaboklab(73.68% -0.0754 -0.0717)
OKLCHoklch(73.68% 0.104 223.6)
XYZxyz(33.5367, 41.2708, 72.5147)
Luminance0.4127 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55B8DA #DA7755
analogous
#55DAB9 #55B8DA #5576DA
triadic
#55B8DA #DA55B8 #B8DA55
tetradic
#55B8DA #B955DA #DA7755 #76DA55
square
#55B8DA #B955DA #DA7755 #76DA55
split-complementary
#55B8DA #DA5576 #DAB955
monochromatic
#207794 #2B9FC7 #55B8DA #87CDE5 #BAE2F0

Accessibility & contrast

On white

2.27
#55B8DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.25
#55B8DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B8DA
9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55B8DA#FFFFFF#000000##000000
##55B8DA1.002.279.259.25
#FFFFFF2.271.0021.0021.00
#0000009.2521.001.001.00
##0000009.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B4DC
Deuteranopia (green-blind)
#92A6DA
Tritanopia (blue-blind)
#00C2C3
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #55b8da;
/* rgb */ color: rgb(85, 184, 218);
/* oklch */ color: oklch(73.7% 0.104 223.6);
Tailwind
colors: {
  custom: {
    50: '#91cde5',
    500: '#55b8da',
    950: '#000000',
  },
}
SCSS
$custom: #55b8da;
$custom-light: #91cde5;
$custom-dark: #000000;
JSON
{
  "hex": "#55b8da",
  "rgb": {
    "r": 85,
    "g": 184,
    "b": 218
  },
  "hsl": {
    "h": 195.338,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.73683,
    "c": 0.10409,
    "h": 223.6
  },
  "luminance": 0.41274
}

Semantic roles & 50–950 ramp

primary
#55B8DA
secondary
#DFB9AB
accent
#6B41E7
background
#F9FCFE
surface
#F2F9FC
border
#CCD2D5
text
#0E1315
muted
#7E8284

Preview Lab

Preview with #55B8DA

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

Preview Lab → · Contrast checker → · Palette generator →

#55B8DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva