#55A5DD#55A5DD

#55A5DD is a light, moderate cyan. Relative luminance 0.341; OKLCH L 69.5% C 0.114 H 241.5°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX#55A5DD
RGBrgb(85, 165, 221)
HSLhsl(205, 67%, 60%)
HSVhsv(205, 62%, 87%)
CMYKcmyk(61.5%, 25.3%, 0%, 13.3%)
CIE-LABlab(65.01, -7.81, -35.67)
CIE-LCHlch(65.01, 36.52, 257.65°)
OKLaboklab(69.46% -0.0544 -0.1002)
OKLCHoklch(69.46% 0.114 241.5)
XYZxyz(30.2477, 34.0591, 73.3726)
Luminance0.3406 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A5DD #DD8D55
analogous
#55DDD1 #55A5DD #5561DD
triadic
#55A5DD #DD55A5 #A5DD55
tetradic
#55A5DD #D155DD #DD8D55 #61DD55
square
#55A5DD #D155DD #DD8D55 #61DD55
split-complementary
#55A5DD #DD5561 #DDD155
monochromatic
#1F6799 #2989CC #55A5DD #88C0E7 #BBDBF1

Accessibility & contrast

On white

2.69
#55A5DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.81
#55A5DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A5DD
7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A5DD#FFFFFF#000000##000000
##55A5DD1.002.697.817.81
#FFFFFF2.691.0021.0021.00
#0000007.8121.001.001.00
##0000007.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8CA5E0
Deuteranopia (green-blind)
#7998DC
Tritanopia (blue-blind)
#00B3B8
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #55a5dd;
/* rgb */ color: rgb(85, 165, 221);
/* oklch */ color: oklch(69.5% 0.114 241.5);
Tailwind
colors: {
  custom: {
    50: '#91bfe7',
    500: '#55a5dd',
    950: '#000000',
  },
}
SCSS
$custom: #55a5dd;
$custom-light: #91bfe7;
$custom-dark: #000000;
JSON
{
  "hex": "#55a5dd",
  "rgb": {
    "r": 85,
    "g": 165,
    "b": 221
  },
  "hsl": {
    "h": 204.706,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.69461,
    "c": 0.11401,
    "h": 241.5
  },
  "luminance": 0.34062
}

Semantic roles & 50–950 ramp

primary
#55A5DD
secondary
#E1C2AD
accent
#853EEA
background
#F9FBFE
surface
#F2F7FC
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #55A5DD

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

Preview Lab → · Contrast checker → · Palette generator →

#55A5DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva