#5ACEFB#5ACEFB

#5ACEFB is a light, vivid cyan. Relative luminance 0.533; OKLCH L 80.3% C 0.122 H 226.9°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX#5ACEFB
RGBrgb(90, 206, 251)
HSLhsl(197, 95%, 67%)
HSVhsv(197, 64%, 98%)
CMYKcmyk(64.1%, 17.9%, 0%, 1.6%)
CIE-LABlab(78.04, -19.45, -31.77)
CIE-LCHlch(78.04, 37.25, 238.53°)
OKLaboklab(80.26% -0.083 -0.0888)
OKLCHoklch(80.26% 0.122 226.9)
XYZxyz(43.6934, 53.2767, 99.2288)
Luminance0.5328 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5ACEFB #FB875A
analogous
#5AFBD7 #5ACEFB #5A7EFB
triadic
#5ACEFB #FB5ACE #CEFB5A
tetradic
#5ACEFB #D75AFB #FB875A #7EFB5A
square
#5ACEFB #D75AFB #FB875A #7EFB5A
split-complementary
#5ACEFB #FB5A7E #FBD75A
monochromatic
#059BD5 #1EBCFA #5ACEFB #96E0FC #D2F1FE

Accessibility & contrast

On white

1.80
#5ACEFB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.66
#5ACEFB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5ACEFB
11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5ACEFB#FFFFFF#000000##000000
##5ACEFB1.001.8011.6611.66
#FFFFFF1.801.0021.0021.00
#00000011.6621.001.001.00
##00000011.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6CAFD
Deuteranopia (green-blind)
#9FBAFA
Tritanopia (blue-blind)
#00DBDD
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #5acefb;
/* rgb */ color: rgb(90, 206, 251);
/* oklch */ color: oklch(80.3% 0.122 226.9);
Tailwind
colors: {
  custom: {
    50: '#98ddfc',
    500: '#5acefb',
    950: '#000000',
  },
}
SCSS
$custom: #5acefb;
$custom-light: #98ddfc;
$custom-dark: #000000;
JSON
{
  "hex": "#5acefb",
  "rgb": {
    "r": 90,
    "g": 206,
    "b": 251
  },
  "hsl": {
    "h": 196.77,
    "s": 95.266,
    "l": 66.863
  },
  "oklch": {
    "l": 0.8026,
    "c": 0.12153,
    "h": 226.9
  },
  "luminance": 0.53281
}

Semantic roles & 50–950 ramp

primary
#5ACEFB
secondary
#D0582A
accent
#4000E6
background
#FCFEFF
surface
#F5FCFF
border
#CFD5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #5ACEFB

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

Preview Lab → · Contrast checker → · Palette generator →

#5ACEFB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva