#5BCEF9#5BCEF9

#5BCEF9 is a light, moderate cyan. Relative luminance 0.532; OKLCH L 80.2% C 0.120 H 225.9°. Best body text is #000000 at 11.64:1 contrast (WCAG AA passes).

Color values

HEX#5BCEF9
RGBrgb(91, 206, 249)
HSLhsl(196, 93%, 67%)
HSVhsv(196, 63%, 98%)
CMYKcmyk(63.5%, 17.3%, 0%, 2.4%)
CIE-LABlab(77.99, -19.89, -30.77)
CIE-LCHlch(77.99, 36.64, 237.11°)
OKLaboklab(80.21% -0.0831 -0.0859)
OKLCHoklch(80.21% 0.12 225.9)
XYZxyz(43.4778, 53.2018, 97.5818)
Luminance0.5321 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BCEF9 #F9865B
analogous
#5BF9D5 #5BCEF9 #5B7FF9
triadic
#5BCEF9 #F95BCE #CEF95B
tetradic
#5BCEF9 #D55BF9 #F9865B #7FF95B
square
#5BCEF9 #D55BF9 #F9865B #7FF95B
split-complementary
#5BCEF9 #F95B7F #F9D55B
monochromatic
#089BD2 #20BCF7 #5BCEF9 #96E0FB #D1F1FD

Accessibility & contrast

On white

1.80
#5BCEF9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.64
#5BCEF9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BCEF9
11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BCEF9#FFFFFF#000000##000000
##5BCEF91.001.8011.6411.64
#FFFFFF1.801.0021.0021.00
#00000011.6421.001.001.00
##00000011.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7CAFB
Deuteranopia (green-blind)
#A0BAF9
Tritanopia (blue-blind)
#00DBDC
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #5bcef9;
/* rgb */ color: rgb(91, 206, 249);
/* oklch */ color: oklch(80.2% 0.120 225.9);
Tailwind
colors: {
  custom: {
    50: '#98ddfb',
    500: '#5bcef9',
    950: '#000000',
  },
}
SCSS
$custom: #5bcef9;
$custom-light: #98ddfb;
$custom-dark: #000000;
JSON
{
  "hex": "#5bcef9",
  "rgb": {
    "r": 91,
    "g": 206,
    "b": 249
  },
  "hsl": {
    "h": 196.329,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.80209,
    "c": 0.11955,
    "h": 225.9
  },
  "luminance": 0.53206
}

Semantic roles & 50–950 ramp

primary
#5BCEF9
secondary
#CD572B
accent
#3E00E6
background
#FCFEFF
surface
#F5FCFF
border
#CFD5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #5BCEF9

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

Preview Lab → · Contrast checker → · Palette generator →

#5BCEF9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva