#5BD9FE#5BD9FE

#5BD9FE is a very light, vivid cyan. Relative luminance 0.590; OKLCH L 82.9% C 0.122 H 220.6°. Best body text is #000000 at 12.80:1 contrast (WCAG AA passes).

Color values

HEX#5BD9FE
RGBrgb(91, 217, 254)
HSLhsl(194, 99%, 68%)
HSVhsv(194, 64%, 100%)
CMYKcmyk(64.2%, 14.6%, 0%, 0.4%)
CIE-LABlab(81.29, -23.95, -28.37)
CIE-LCHlch(81.29, 37.13, 229.83°)
OKLaboklab(82.91% -0.0923 -0.0791)
OKLCHoklch(82.91% 0.122 220.6)
XYZxyz(47.0094, 59.0006, 102.6575)
Luminance0.5901 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BD9FE #FE805B
analogous
#5BFED2 #5BD9FE #5B87FE
triadic
#5BD9FE #FE5BD9 #D9FE5B
tetradic
#5BD9FE #D25BFE #FE805B #87FE5B
square
#5BD9FE #D25BFE #FE805B #87FE5B
split-complementary
#5BD9FE #FE5B87 #FED25B
monochromatic
#01ABDD #1ECBFE #5BD9FE #98E7FE #D5F5FF

Accessibility & contrast

On white

1.64
#5BD9FE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.80
#5BD9FE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD9FE
12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BD9FE#FFFFFF#000000##000000
##5BD9FE1.001.6412.8012.80
#FFFFFF1.641.0021.0021.00
#00000012.8021.001.001.00
##00000012.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3D4FF
Deuteranopia (green-blind)
#ABC3FE
Tritanopia (blue-blind)
#00E5E5
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #5bd9fe;
/* rgb */ color: rgb(91, 217, 254);
/* oklch */ color: oklch(82.9% 0.122 220.6);
Tailwind
colors: {
  custom: {
    50: '#9ae5fe',
    500: '#5bd9fe',
    950: '#000000',
  },
}
SCSS
$custom: #5bd9fe;
$custom-light: #9ae5fe;
$custom-dark: #000000;
JSON
{
  "hex": "#5bd9fe",
  "rgb": {
    "r": 91,
    "g": 217,
    "b": 254
  },
  "hsl": {
    "h": 193.62,
    "s": 98.788,
    "l": 67.647
  },
  "oklch": {
    "l": 0.82908,
    "c": 0.12154,
    "h": 220.6
  },
  "luminance": 0.59006
}

Semantic roles & 50–950 ramp

primary
#5BD9FE
secondary
#D64F27
accent
#3400E6
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#0F1518
muted
#808486

Preview Lab

Preview with #5BD9FE

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

Preview Lab → · Contrast checker → · Palette generator →

#5BD9FE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva