#55A5DC#55A5DC

#55A5DC is a light, moderate cyan. Relative luminance 0.340; OKLCH L 69.4% C 0.113 H 241.0°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#55A5DC
RGBrgb(85, 165, 220)
HSLhsl(204, 66%, 60%)
HSVhsv(204, 61%, 86%)
CMYKcmyk(61.4%, 25%, 0%, 13.7%)
CIE-LABlab(64.97, -8.13, -35.19)
CIE-LCHlch(64.97, 36.11, 256.99°)
OKLaboklab(69.41% -0.0547 -0.0988)
OKLCHoklch(69.41% 0.113 241)
XYZxyz(30.1149, 34.0059, 72.6730)
Luminance0.3401 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A5DC #DC8C55
analogous
#55DCCF #55A5DC #5562DC
triadic
#55A5DC #DC55A5 #A5DC55
tetradic
#55A5DC #CF55DC #DC8C55 #62DC55
square
#55A5DC #CF55DC #DC8C55 #62DC55
split-complementary
#55A5DC #DC5562 #DCCF55
monochromatic
#1F6697 #2A89CA #55A5DC #88C0E6 #BBDBF1

Accessibility & contrast

On white

2.69
#55A5DC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.80
#55A5DC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A5DC
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A5DC#FFFFFF#000000##000000
##55A5DC1.002.697.807.80
#FFFFFF2.691.0021.0021.00
#0000007.8021.001.001.00
##0000007.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8CA5DF
Deuteranopia (green-blind)
#7A98DB
Tritanopia (blue-blind)
#00B3B8
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #55a5dc;
/* rgb */ color: rgb(85, 165, 220);
/* oklch */ color: oklch(69.4% 0.113 241.0);
Tailwind
colors: {
  custom: {
    50: '#90bfe7',
    500: '#55a5dc',
    950: '#000000',
  },
}
SCSS
$custom: #55a5dc;
$custom-light: #90bfe7;
$custom-dark: #000000;
JSON
{
  "hex": "#55a5dc",
  "rgb": {
    "r": 85,
    "g": 165,
    "b": 220
  },
  "hsl": {
    "h": 204.444,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.69414,
    "c": 0.11295,
    "h": 241
  },
  "luminance": 0.34009
}

Semantic roles & 50–950 ramp

primary
#55A5DC
secondary
#E0C2AC
accent
#843FE9
background
#F9FBFE
surface
#F2F7FC
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #55A5DC

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

Preview Lab → · Contrast checker → · Palette generator →

#55A5DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva