#5BD1FC#5BD1FC

#5BD1FC is a light, vivid cyan. Relative luminance 0.549; OKLCH L 81.0% C 0.121 H 225.4°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX#5BD1FC
RGBrgb(91, 209, 252)
HSLhsl(196, 96%, 67%)
HSVhsv(196, 64%, 99%)
CMYKcmyk(63.9%, 17.1%, 0%, 1.2%)
CIE-LABlab(78.95, -20.52, -30.89)
CIE-LCHlch(78.95, 37.08, 236.41°)
OKLaboklab(81.01% -0.0851 -0.0862)
OKLCHoklch(81.01% 0.121 225.4)
XYZxyz(44.6785, 54.8486, 100.3088)
Luminance0.5485 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BD1FC #FC865B
analogous
#5BFCD7 #5BD1FC #5B81FC
triadic
#5BD1FC #FC5BD1 #D1FC5B
tetradic
#5BD1FC #D75BFC #FC865B #81FC5B
square
#5BD1FC #D75BFC #FC865B #81FC5B
split-complementary
#5BD1FC #FC5B81 #FCD75B
monochromatic
#04A0D9 #1FC0FB #5BD1FC #97E2FD #D3F3FE

Accessibility & contrast

On white

1.75
#5BD1FC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.97
#5BD1FC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD1FC
11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BD1FC#FFFFFF#000000##000000
##5BD1FC1.001.7511.9711.97
#FFFFFF1.751.0021.0021.00
#00000011.9721.001.001.00
##00000011.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9CDFE
Deuteranopia (green-blind)
#A3BCFC
Tritanopia (blue-blind)
#00DEDF
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #5bd1fc;
/* rgb */ color: rgb(91, 209, 252);
/* oklch */ color: oklch(81.0% 0.121 225.4);
Tailwind
colors: {
  custom: {
    50: '#99dffd',
    500: '#5bd1fc',
    950: '#000000',
  },
}
SCSS
$custom: #5bd1fc;
$custom-light: #99dffd;
$custom-dark: #000000;
JSON
{
  "hex": "#5bd1fc",
  "rgb": {
    "r": 91,
    "g": 209,
    "b": 252
  },
  "hsl": {
    "h": 196.025,
    "s": 96.407,
    "l": 67.255
  },
  "oklch": {
    "l": 0.81013,
    "c": 0.12114,
    "h": 225.4
  },
  "luminance": 0.54853
}

Semantic roles & 50–950 ramp

primary
#5BD1FC
secondary
#D25629
accent
#3D00E6
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #5BD1FC

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

Preview Lab → · Contrast checker → · Palette generator →

#5BD1FC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva