#5B9FE9#5B9FE9

#5B9FE9 is a light, vivid cyan. Relative luminance 0.329; OKLCH L 69.0% C 0.130 H 252.0°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX#5B9FE9
RGBrgb(91, 159, 233)
HSLhsl(211, 76%, 64%)
HSVhsv(211, 61%, 91%)
CMYKcmyk(60.9%, 31.8%, 0%, 8.6%)
CIE-LABlab(64.08, 0.53, -43.72)
CIE-LCHlch(64.08, 43.73, 270.69°)
OKLaboklab(68.97% -0.0401 -0.1235)
OKLCHoklch(68.97% 0.13 252)
XYZxyz(31.4152, 32.9007, 81.7699)
Luminance0.3290 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B9FE9 #E9A55B
analogous
#5BE6E9 #5B9FE9 #5E5BE9
triadic
#5B9FE9 #E95B9F #9FE95B
tetradic
#5B9FE9 #E95BE6 #E9A55B #5BE95E
square
#5B9FE9 #E95BE6 #E9A55B #5BE95E
split-complementary
#5B9FE9 #E95E5B #E6E95B
monochromatic
#1862B2 #257FE2 #5B9FE9 #91BFF0 #C7DEF7

Accessibility & contrast

On white

2.77
#5B9FE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.58
#5B9FE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9FE9
7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B9FE9#FFFFFF#000000##000000
##5B9FE91.002.777.587.58
#FFFFFF2.771.0021.0021.00
#0000007.5821.001.001.00
##0000007.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7FA3EC
Deuteranopia (green-blind)
#6C95E8
Tritanopia (blue-blind)
#00B0B9
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #5b9fe9;
/* rgb */ color: rgb(91, 159, 233);
/* oklch */ color: oklch(69.0% 0.130 252.0);
Tailwind
colors: {
  custom: {
    50: '#95bbf0',
    500: '#5b9fe9',
    950: '#000000',
  },
}
SCSS
$custom: #5b9fe9;
$custom-light: #95bbf0;
$custom-dark: #000000;
JSON
{
  "hex": "#5b9fe9",
  "rgb": {
    "r": 91,
    "g": 159,
    "b": 233
  },
  "hsl": {
    "h": 211.268,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.68969,
    "c": 0.12988,
    "h": 252
  },
  "luminance": 0.32904
}

Semantic roles & 50–950 ramp

primary
#5B9FE9
secondary
#E9D1B7
accent
#770DD9
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #5B9FE9

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

Preview Lab → · Contrast checker → · Palette generator →

#5B9FE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva