#5BBDD9#5BBDD9

#5BBDD9 is a light, moderate cyan. Relative luminance 0.436; OKLCH L 75.0% C 0.100 H 219.2°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX#5BBDD9
RGBrgb(91, 189, 217)
HSLhsl(193, 62%, 60%)
HSVhsv(193, 58%, 85%)
CMYKcmyk(58.1%, 12.9%, 0%, 14.9%)
CIE-LABlab(71.98, -20.72, -22.72)
CIE-LCHlch(71.98, 30.75, 227.63°)
OKLaboklab(75.02% -0.0773 -0.0631)
OKLCHoklch(75.02% 0.1 219.2)
XYZxyz(35.0314, 43.6257, 72.2066)
Luminance0.4363 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BBDD9 #D9775B
analogous
#5BD9B6 #5BBDD9 #5B7ED9
triadic
#5BBDD9 #D95BBD #BDD95B
tetradic
#5BBDD9 #B65BD9 #D9775B #7ED95B
square
#5BBDD9 #B65BD9 #D9775B #7ED95B
split-complementary
#5BBDD9 #D95B7E #D9B65B
monochromatic
#237D97 #2EA6C8 #5BBDD9 #8DD1E5 #BEE5F0

Accessibility & contrast

On white

2.16
#5BBDD9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.73
#5BBDD9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDD9
9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BBDD9#FFFFFF#000000##000000
##5BBDD91.002.169.739.73
#FFFFFF2.161.0021.0021.00
#0000009.7321.001.001.00
##0000009.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABB8DB
Deuteranopia (green-blind)
#99AAD9
Tritanopia (blue-blind)
#00C6C6
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #5bbdd9;
/* rgb */ color: rgb(91, 189, 217);
/* oklch */ color: oklch(75.0% 0.100 219.2);
Tailwind
colors: {
  custom: {
    50: '#94d1e4',
    500: '#5bbdd9',
    950: '#000000',
  },
}
SCSS
$custom: #5bbdd9;
$custom-light: #94d1e4;
$custom-dark: #000000;
JSON
{
  "hex": "#5bbdd9",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 217
  },
  "hsl": {
    "h": 193.333,
    "s": 62.376,
    "l": 60.392
  },
  "oklch": {
    "l": 0.75017,
    "c": 0.09981,
    "h": 219.2
  },
  "luminance": 0.43629
}

Semantic roles & 50–950 ramp

primary
#5BBDD9
secondary
#E0BBB0
accent
#421BCA
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1415
muted
#7E8283

Preview Lab

Preview with #5BBDD9

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

Preview Lab → · Contrast checker → · Palette generator →

#5BBDD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva