#5BBBD3#5BBBD3

#5BBBD3 is a light, moderate cyan. Relative luminance 0.425; OKLCH L 74.3% C 0.096 H 216.5°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX#5BBBD3
RGBrgb(91, 187, 211)
HSLhsl(192, 58%, 59%)
HSVhsv(192, 57%, 83%)
CMYKcmyk(56.9%, 11.4%, 0%, 17.3%)
CIE-LABlab(71.19, -21.45, -20.65)
CIE-LCHlch(71.19, 29.77, 223.91°)
OKLaboklab(74.32% -0.0775 -0.0573)
OKLCHoklch(74.32% 0.096 216.5)
XYZxyz(33.8379, 42.4647, 68.0287)
Luminance0.4247 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BBBD3 #D3735B
analogous
#5BD3AF #5BBBD3 #5B7FD3
triadic
#5BBBD3 #D35BBB #BBD35B
tetradic
#5BBBD3 #AF5BD3 #D3735B #7FD35B
square
#5BBBD3 #AF5BD3 #D3735B #7FD35B
split-complementary
#5BBBD3 #D35B7F #D3AF5B
monochromatic
#26798E #33A2BE #5BBBD3 #8BCFE0 #BCE3ED

Accessibility & contrast

On white

2.21
#5BBBD3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.49
#5BBBD3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBD3
9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BBBD3#FFFFFF#000000##000000
##5BBBD31.002.219.499.49
#FFFFFF2.211.0021.0021.00
#0000009.4921.001.001.00
##0000009.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABB6D4
Deuteranopia (green-blind)
#99A9D3
Tritanopia (blue-blind)
#00C4C2
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #5bbbd3;
/* rgb */ color: rgb(91, 187, 211);
/* oklch */ color: oklch(74.3% 0.096 216.5);
Tailwind
colors: {
  custom: {
    50: '#93cfe0',
    500: '#5bbbd3',
    950: '#000000',
  },
}
SCSS
$custom: #5bbbd3;
$custom-light: #93cfe0;
$custom-dark: #000000;
JSON
{
  "hex": "#5bbbd3",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 211
  },
  "hsl": {
    "h": 192,
    "s": 57.692,
    "l": 59.216
  },
  "oklch": {
    "l": 0.74318,
    "c": 0.09635,
    "h": 216.5
  },
  "luminance": 0.42468
}

Semantic roles & 50–950 ramp

primary
#5BBBD3
secondary
#DCB7AD
accent
#6647E1
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1415
muted
#7E8283

Preview Lab

Preview with #5BBBD3

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

Preview Lab → · Contrast checker → · Palette generator →

#5BBBD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva