#5BC9EC#5BC9EC

#5BC9EC is a light, moderate cyan. Relative luminance 0.501; OKLCH L 78.5% C 0.111 H 221.9°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX#5BC9EC
RGBrgb(91, 201, 236)
HSLhsl(194, 79%, 64%)
HSVhsv(194, 61%, 93%)
CMYKcmyk(61.4%, 14.8%, 0%, 7.5%)
CIE-LABlab(76.10, -21.24, -26.71)
CIE-LCHlch(76.10, 34.12, 231.50°)
OKLaboklab(78.54% -0.0828 -0.0744)
OKLCHoklch(78.54% 0.111 221.9)
XYZxyz(40.3353, 50.0494, 86.8754)
Luminance0.5005 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BC9EC #EC7E5B
analogous
#5BECC7 #5BC9EC #5B81EC
triadic
#5BC9EC #EC5BC9 #C9EC5B
tetradic
#5BC9EC #C75BEC #EC7E5B #81EC5B
square
#5BC9EC #C75BEC #EC7E5B #81EC5B
split-complementary
#5BC9EC #EC5B81 #ECC75B
monochromatic
#1590B7 #24B7E6 #5BC9EC #92DBF2 #C9EDF9

Accessibility & contrast

On white

1.91
#5BC9EC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.01
#5BC9EC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC9EC
11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BC9EC#FFFFFF#000000##000000
##5BC9EC1.001.9111.0111.01
#FFFFFF1.911.0021.0021.00
#00000011.0121.001.001.00
##00000011.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B4C4EE
Deuteranopia (green-blind)
#A0B5EC
Tritanopia (blue-blind)
#00D4D4
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #5bc9ec;
/* rgb */ color: rgb(91, 201, 236);
/* oklch */ color: oklch(78.5% 0.111 221.9);
Tailwind
colors: {
  custom: {
    50: '#97d9f2',
    500: '#5bc9ec',
    950: '#000000',
  },
}
SCSS
$custom: #5bc9ec;
$custom-light: #97d9f2;
$custom-dark: #000000;
JSON
{
  "hex": "#5bc9ec",
  "rgb": {
    "r": 91,
    "g": 201,
    "b": 236
  },
  "hsl": {
    "h": 194.483,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.78538,
    "c": 0.11129,
    "h": 221.9
  },
  "luminance": 0.50054
}

Semantic roles & 50–950 ramp

primary
#5BC9EC
secondary
#B75434
accent
#3D0ADC
background
#FCFEFF
surface
#F5FBFE
border
#CFD4D6
text
#0F1417
muted
#808385

Preview Lab

Preview with #5BC9EC

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

Preview Lab → · Contrast checker → · Palette generator →

#5BC9EC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva