#55A5FD#55A5FD

#55A5FD is a light, vivid cyan. Relative luminance 0.359; OKLCH L 71.1% C 0.151 H 252.6°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX#55A5FD
RGBrgb(85, 165, 253)
HSLhsl(211, 98%, 66%)
HSVhsv(211, 66%, 99%)
CMYKcmyk(66.4%, 34.8%, 0%, 0.8%)
CIE-LABlab(66.47, 2.67, -50.92)
CIE-LCHlch(66.47, 50.99, 273.00°)
OKLaboklab(71.09% -0.0452 -0.1445)
OKLCHoklch(71.09% 0.151 252.6)
XYZxyz(34.9245, 35.9298, 98.0040)
Luminance0.3593 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A5FD #FDAD55
analogous
#55F9FD #55A5FD #5955FD
triadic
#55A5FD #FD55A5 #A5FD55
tetradic
#55A5FD #FD55F9 #FDAD55 #55FD59
square
#55A5FD #FD55F9 #FDAD55 #55FD59
split-complementary
#55A5FD #FD5955 #F9FD55
monochromatic
#0367D5 #1985FC #55A5FD #91C5FE #CEE5FE

Accessibility & contrast

On white

2.57
#55A5FD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.19
#55A5FD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A5FD
8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A5FD#FFFFFF#000000##000000
##55A5FD1.002.578.198.19
#FFFFFF2.571.0021.0021.00
#0000008.1921.001.001.00
##0000008.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7EAAFF
Deuteranopia (green-blind)
#669AFB
Tritanopia (blue-blind)
#00BAC5
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #55a5fd;
/* rgb */ color: rgb(85, 165, 253);
/* oklch */ color: oklch(71.1% 0.151 252.6);
Tailwind
colors: {
  custom: {
    50: '#95bffe',
    500: '#55a5fd',
    950: '#000000',
  },
}
SCSS
$custom: #55a5fd;
$custom-light: #95bffe;
$custom-dark: #000000;
JSON
{
  "hex": "#55a5fd",
  "rgb": {
    "r": 85,
    "g": 165,
    "b": 253
  },
  "hsl": {
    "h": 211.429,
    "s": 97.674,
    "l": 66.275
  },
  "oklch": {
    "l": 0.71086,
    "c": 0.15144,
    "h": 252.6
  },
  "luminance": 0.35933
}

Semantic roles & 50–950 ramp

primary
#55A5FD
secondary
#F2D8BB
accent
#7800E6
background
#F9FBFF
surface
#F2F6FF
border
#CCD0D7
text
#0F1218
muted
#7E8186

Preview Lab

Preview with #55A5FD

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

Preview Lab → · Contrast checker → · Palette generator →

#55A5FD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva