#5BB8E9#5BB8E9

#5BB8E9 is a light, moderate cyan. Relative luminance 0.424; OKLCH L 74.5% C 0.113 H 234.1°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX#5BB8E9
RGBrgb(91, 184, 233)
HSLhsl(201, 76%, 64%)
HSVhsv(201, 61%, 91%)
CMYKcmyk(60.9%, 21%, 0%, 8.6%)
CIE-LABlab(71.14, -13.29, -32.72)
CIE-LCHlch(71.14, 35.32, 247.89°)
OKLaboklab(74.54% -0.0662 -0.0916)
OKLCHoklch(74.54% 0.113 234.1)
XYZxyz(36.1572, 42.3848, 83.3506)
Luminance0.4239 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB8E9 #E98C5B
analogous
#5BE9D3 #5BB8E9 #5B71E9
triadic
#5BB8E9 #E95BB8 #B8E95B
tetradic
#5BB8E9 #D35BE9 #E98C5B #71E95B
square
#5BB8E9 #D35BE9 #E98C5B #71E95B
split-complementary
#5BB8E9 #E95B71 #E9D35B
monochromatic
#187DB2 #25A1E2 #5BB8E9 #91CFF0 #C7E7F7

Accessibility & contrast

On white

2.22
#5BB8E9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.48
#5BB8E9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB8E9
9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB8E9#FFFFFF#000000##000000
##5BB8E91.002.229.489.48
#FFFFFF2.221.0021.0021.00
#0000009.4821.001.001.00
##0000009.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A0B6EB
Deuteranopia (green-blind)
#8DA8E8
Tritanopia (blue-blind)
#00C5C8
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #5bb8e9;
/* rgb */ color: rgb(91, 184, 233);
/* oklch */ color: oklch(74.5% 0.113 234.1);
Tailwind
colors: {
  custom: {
    50: '#96cdf0',
    500: '#5bb8e9',
    950: '#000000',
  },
}
SCSS
$custom: #5bb8e9;
$custom-light: #96cdf0;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb8e9",
  "rgb": {
    "r": 91,
    "g": 184,
    "b": 233
  },
  "hsl": {
    "h": 200.704,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.74541,
    "c": 0.11301,
    "h": 234.1
  },
  "luminance": 0.42388
}

Semantic roles & 50–950 ramp

primary
#5BB8E9
secondary
#E9C8B7
accent
#530DD9
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #5BB8E9

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB8E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva