#5BC4E9#5BC4E9

#5BC4E9 is a light, moderate cyan. Relative luminance 0.476; OKLCH L 77.3% C 0.110 H 224.2°. Best body text is #000000 at 10.52:1 contrast (WCAG AA passes).

Color values

HEX#5BC4E9
RGBrgb(91, 196, 233)
HSLhsl(196, 76%, 64%)
HSVhsv(196, 61%, 91%)
CMYKcmyk(60.9%, 15.9%, 0%, 8.6%)
CIE-LABlab(74.56, -19.58, -27.45)
CIE-LCHlch(74.56, 33.72, 234.50°)
OKLaboklab(77.27% -0.0787 -0.0765)
OKLCHoklch(77.27% 0.11 224.2)
XYZxyz(38.7565, 47.5833, 84.2170)
Luminance0.4759 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BC4E9 #E9805B
analogous
#5BE9C7 #5BC4E9 #5B7DE9
triadic
#5BC4E9 #E95BC4 #C4E95B
tetradic
#5BC4E9 #C75BE9 #E9805B #7DE95B
square
#5BC4E9 #C75BE9 #E9805B #7DE95B
split-complementary
#5BC4E9 #E95B7D #E9C75B
monochromatic
#188AB2 #25B1E2 #5BC4E9 #91D7F0 #C7EBF7

Accessibility & contrast

On white

2.00
#5BC4E9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.52
#5BC4E9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC4E9
10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BC4E9#FFFFFF#000000##000000
##5BC4E91.002.0010.5210.52
#FFFFFF2.001.0021.0021.00
#00000010.5221.001.001.00
##00000010.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#AFC0EB
Deuteranopia (green-blind)
#9BB1E9
Tritanopia (blue-blind)
#00CFD0
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #5bc4e9;
/* rgb */ color: rgb(91, 196, 233);
/* oklch */ color: oklch(77.3% 0.110 224.2);
Tailwind
colors: {
  custom: {
    50: '#96d6f0',
    500: '#5bc4e9',
    950: '#000000',
  },
}
SCSS
$custom: #5bc4e9;
$custom-light: #96d6f0;
$custom-dark: #000000;
JSON
{
  "hex": "#5bc4e9",
  "rgb": {
    "r": 91,
    "g": 196,
    "b": 233
  },
  "hsl": {
    "h": 195.634,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.77272,
    "c": 0.10975,
    "h": 224.2
  },
  "luminance": 0.47587
}

Semantic roles & 50–950 ramp

primary
#5BC4E9
secondary
#E9C4B7
accent
#420DD9
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0F1416
muted
#7E8384

Preview Lab

Preview with #5BC4E9

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

Preview Lab → · Contrast checker → · Palette generator →

#5BC4E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva