#55A4E9#55A4E9

#55A4E9 is a light, vivid cyan. Relative luminance 0.344; OKLCH L 69.8% C 0.128 H 247.2°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX#55A4E9
RGBrgb(85, 164, 233)
HSLhsl(208, 77%, 62%)
HSVhsv(208, 64%, 91%)
CMYKcmyk(63.5%, 29.6%, 0%, 8.6%)
CIE-LABlab(65.25, -3.38, -41.90)
CIE-LCHlch(65.25, 42.04, 265.39°)
OKLaboklab(69.82% -0.0497 -0.1183)
OKLCHoklch(69.82% 0.128 247.2)
XYZxyz(31.7243, 34.3623, 82.0357)
Luminance0.3437 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A4E9 #E99A55
analogous
#55E9E4 #55A4E9 #555AE9
triadic
#55A4E9 #E955A4 #A4E955
tetradic
#55A4E9 #E455E9 #E99A55 #5AE955
square
#55A4E9 #E455E9 #E99A55 #5AE955
split-complementary
#55A4E9 #E9555A #E9E455
monochromatic
#1667AD #1F87E2 #55A4E9 #8BC1F0 #C1DEF7

Accessibility & contrast

On white

2.67
#55A4E9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.87
#55A4E9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A4E9
7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A4E9#FFFFFF#000000##000000
##55A4E91.002.677.877.87
#FFFFFF2.671.0021.0021.00
#0000007.8721.001.001.00
##0000007.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#86A6EC
Deuteranopia (green-blind)
#7298E8
Tritanopia (blue-blind)
#00B4BC
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #55a4e9;
/* rgb */ color: rgb(85, 164, 233);
/* oklch */ color: oklch(69.8% 0.128 247.2);
Tailwind
colors: {
  custom: {
    50: '#92bef0',
    500: '#55a4e9',
    950: '#000000',
  },
}
SCSS
$custom: #55a4e9;
$custom-light: #92bef0;
$custom-dark: #000000;
JSON
{
  "hex": "#55a4e9",
  "rgb": {
    "r": 85,
    "g": 164,
    "b": 233
  },
  "hsl": {
    "h": 207.973,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.69823,
    "c": 0.12828,
    "h": 247.2
  },
  "luminance": 0.34365
}

Semantic roles & 50–950 ramp

primary
#55A4E9
secondary
#E8CBB2
accent
#6C0CD9
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #55A4E9

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

Preview Lab → · Contrast checker → · Palette generator →

#55A4E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva