#5BB7E9#5BB7E9

#5BB7E9 is a light, moderate cyan. Relative luminance 0.420; OKLCH L 74.3% C 0.113 H 234.9°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX#5BB7E9
RGBrgb(91, 183, 233)
HSLhsl(201, 76%, 64%)
HSVhsv(201, 61%, 91%)
CMYKcmyk(60.9%, 21.5%, 0%, 8.6%)
CIE-LABlab(70.85, -12.76, -33.16)
CIE-LCHlch(70.85, 35.53, 248.95°)
OKLaboklab(74.32% -0.0652 -0.0928)
OKLCHoklch(74.32% 0.113 234.9)
XYZxyz(35.9502, 41.9708, 83.2816)
Luminance0.4197 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB7E9 #E98D5B
analogous
#5BE9D4 #5BB7E9 #5B70E9
triadic
#5BB7E9 #E95BB7 #B7E95B
tetradic
#5BB7E9 #D45BE9 #E98D5B #70E95B
square
#5BB7E9 #D45BE9 #E98D5B #70E95B
split-complementary
#5BB7E9 #E95B70 #E9D45B
monochromatic
#187CB2 #259FE2 #5BB7E9 #91CFF0 #C7E6F7

Accessibility & contrast

On white

2.24
#5BB7E9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.39
#5BB7E9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB7E9
9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB7E9#FFFFFF#000000##000000
##5BB7E91.002.249.399.39
#FFFFFF2.241.0021.0021.00
#0000009.3921.001.001.00
##0000009.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9FB6EB
Deuteranopia (green-blind)
#8BA7E8
Tritanopia (blue-blind)
#00C4C8
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #5bb7e9;
/* rgb */ color: rgb(91, 183, 233);
/* oklch */ color: oklch(74.3% 0.113 234.9);
Tailwind
colors: {
  custom: {
    50: '#95ccf0',
    500: '#5bb7e9',
    950: '#000000',
  },
}
SCSS
$custom: #5bb7e9;
$custom-light: #95ccf0;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb7e9",
  "rgb": {
    "r": 91,
    "g": 183,
    "b": 233
  },
  "hsl": {
    "h": 201.127,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.74315,
    "c": 0.11344,
    "h": 234.9
  },
  "luminance": 0.41974
}

Semantic roles & 50–950 ramp

primary
#5BB7E9
secondary
#E9C8B7
accent
#550DD9
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #5BB7E9

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB7E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva