#5B9DF3#5B9DF3

#5B9DF3 is a light, vivid cyan. Relative luminance 0.328; OKLCH L 69.1% C 0.144 H 255.8°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX#5B9DF3
RGBrgb(91, 157, 243)
HSLhsl(214, 86%, 65%)
HSVhsv(214, 63%, 95%)
CMYKcmyk(62.6%, 35.4%, 0%, 4.7%)
CIE-LABlab(64.00, 4.95, -49.34)
CIE-LCHlch(64.00, 49.59, 275.73°)
OKLaboklab(69.07% -0.0355 -0.1399)
OKLCHoklch(69.07% 0.144 255.8)
XYZxyz(32.5432, 32.8061, 89.3938)
Luminance0.3281 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B9DF3 #F3B15B
analogous
#5BE9F3 #5B9DF3 #655BF3
triadic
#5B9DF3 #F35B9D #9DF35B
tetradic
#5B9DF3 #F35BE9 #F3B15B #5BF365
square
#5B9DF3 #F35BE9 #F3B15B #5BF365
split-complementary
#5B9DF3 #F3655B #E9F35B
monochromatic
#0E5EC5 #227BEF #5B9DF3 #94BFF7 #CDE1FB

Accessibility & contrast

On white

2.78
#5B9DF3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.56
#5B9DF3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9DF3
7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B9DF3#FFFFFF#000000##000000
##5B9DF31.002.787.567.56
#FFFFFF2.781.0021.0021.00
#0000007.5621.001.001.00
##0000007.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#78A3F7
Deuteranopia (green-blind)
#6395F1
Tritanopia (blue-blind)
#00B1BD
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #5b9df3;
/* rgb */ color: rgb(91, 157, 243);
/* oklch */ color: oklch(69.1% 0.144 255.8);
Tailwind
colors: {
  custom: {
    50: '#96b9f7',
    500: '#5b9df3',
    950: '#000000',
  },
}
SCSS
$custom: #5b9df3;
$custom-light: #96b9f7;
$custom-dark: #000000;
JSON
{
  "hex": "#5b9df3",
  "rgb": {
    "r": 91,
    "g": 157,
    "b": 243
  },
  "hsl": {
    "h": 213.947,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.69066,
    "c": 0.14436,
    "h": 255.8
  },
  "luminance": 0.32809
}

Semantic roles & 50–950 ramp

primary
#5B9DF3
secondary
#EED8BB
accent
#8203E3
background
#F9FBFF
surface
#F2F6FF
border
#CCD0D7
text
#0F1117
muted
#7E8085

Preview Lab

Preview with #5B9DF3

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

Preview Lab → · Contrast checker → · Palette generator →

#5B9DF3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva