#5B9EEB#5B9EEB

#5B9EEB is a light, vivid cyan. Relative luminance 0.327; OKLCH L 68.9% C 0.133 H 253.2°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX#5B9EEB
RGBrgb(91, 158, 235)
HSLhsl(212, 78%, 64%)
HSVhsv(212, 61%, 92%)
CMYKcmyk(61.3%, 32.8%, 0%, 7.8%)
CIE-LABlab(63.90, 1.75, -45.11)
CIE-LCHlch(63.90, 45.15, 272.22°)
OKLaboklab(68.86% -0.0386 -0.1276)
OKLCHoklch(68.86% 0.133 253.2)
XYZxyz(31.5312, 32.6731, 83.2260)
Luminance0.3268 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B9EEB #EBA85B
analogous
#5BE6EB #5B9EEB #605BEB
triadic
#5B9EEB #EB5B9E #9EEB5B
tetradic
#5B9EEB #EB5BE6 #EBA85B #5BEB60
square
#5B9EEB #EB5BE6 #EBA85B #5BEB60
split-complementary
#5B9EEB #EB605B #E6EB5B
monochromatic
#1660B5 #247EE4 #5B9EEB #92BEF2 #C8DFF8

Accessibility & contrast

On white

2.79
#5B9EEB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.54
#5B9EEB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9EEB
7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B9EEB#FFFFFF#000000##000000
##5B9EEB1.002.797.547.54
#FFFFFF2.791.0021.0021.00
#0000007.5421.001.001.00
##0000007.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7DA2EE
Deuteranopia (green-blind)
#6A95E9
Tritanopia (blue-blind)
#00B0BA
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #5b9eeb;
/* rgb */ color: rgb(91, 158, 235);
/* oklch */ color: oklch(68.9% 0.133 253.2);
Tailwind
colors: {
  custom: {
    50: '#95baf2',
    500: '#5b9eeb',
    950: '#000000',
  },
}
SCSS
$custom: #5b9eeb;
$custom-light: #95baf2;
$custom-dark: #000000;
JSON
{
  "hex": "#5b9eeb",
  "rgb": {
    "r": 91,
    "g": 158,
    "b": 235
  },
  "hsl": {
    "h": 212.083,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.68855,
    "c": 0.13329,
    "h": 253.2
  },
  "luminance": 0.32676
}

Semantic roles & 50–950 ramp

primary
#5B9EEB
secondary
#EAD3B8
accent
#7A0BDB
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #5B9EEB

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

Preview Lab → · Contrast checker → · Palette generator →

#5B9EEB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva