#55A5E9#55A5E9

#55A5E9 is a light, vivid cyan. Relative luminance 0.347; OKLCH L 70.0% C 0.127 H 246.6°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX#55A5E9
RGBrgb(85, 165, 233)
HSLhsl(208, 77%, 62%)
HSVhsv(208, 64%, 91%)
CMYKcmyk(63.5%, 29.2%, 0%, 8.6%)
CIE-LABlab(65.53, -3.94, -41.46)
CIE-LCHlch(65.53, 41.65, 264.57°)
OKLaboklab(70.05% -0.0507 -0.117)
OKLCHoklch(70.05% 0.127 246.6)
XYZxyz(31.9039, 34.7216, 82.0956)
Luminance0.3473 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A5E9 #E99955
analogous
#55E9E3 #55A5E9 #555BE9
triadic
#55A5E9 #E955A5 #A5E955
tetradic
#55A5E9 #E355E9 #E99955 #5BE955
square
#55A5E9 #E355E9 #E99955 #5BE955
split-complementary
#55A5E9 #E9555B #E9E355
monochromatic
#1668AD #1F88E2 #55A5E9 #8BC2F0 #C1DEF7

Accessibility & contrast

On white

2.64
#55A5E9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.94
#55A5E9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A5E9
7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A5E9#FFFFFF#000000##000000
##55A5E91.002.647.947.94
#FFFFFF2.641.0021.0021.00
#0000007.9421.001.001.00
##0000007.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#87A7EC
Deuteranopia (green-blind)
#7399E8
Tritanopia (blue-blind)
#00B5BD
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #55a5e9;
/* rgb */ color: rgb(85, 165, 233);
/* oklch */ color: oklch(70.0% 0.127 246.6);
Tailwind
colors: {
  custom: {
    50: '#92bff0',
    500: '#55a5e9',
    950: '#000000',
  },
}
SCSS
$custom: #55a5e9;
$custom-light: #92bff0;
$custom-dark: #000000;
JSON
{
  "hex": "#55a5e9",
  "rgb": {
    "r": 85,
    "g": 165,
    "b": 233
  },
  "hsl": {
    "h": 207.568,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.70045,
    "c": 0.12749,
    "h": 246.6
  },
  "luminance": 0.34725
}

Semantic roles & 50–950 ramp

primary
#55A5E9
secondary
#E8CBB2
accent
#6A0CD9
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #55A5E9

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

Preview Lab → · Contrast checker → · Palette generator →

#55A5E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva