#5BB4F5#5BB4F5

#5BB4F5 is a light, vivid cyan. Relative luminance 0.415; OKLCH L 74.2% C 0.127 H 242.8°. Best body text is #000000 at 9.29:1 contrast (WCAG AA passes).

Color values

HEX#5BB4F5
RGBrgb(91, 180, 245)
HSLhsl(205, 89%, 66%)
HSVhsv(205, 63%, 96%)
CMYKcmyk(62.9%, 26.5%, 0%, 3.9%)
CIE-LABlab(70.49, -7.37, -40.23)
CIE-LCHlch(70.49, 40.90, 259.62°)
OKLaboklab(74.19% -0.0582 -0.1132)
OKLCHoklch(74.19% 0.127 242.8)
XYZxyz(37.1109, 41.4555, 92.4145)
Luminance0.4146 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB4F5 #F59C5B
analogous
#5BF5E9 #5BB4F5 #5B67F5
triadic
#5BB4F5 #F55BB4 #B4F55B
tetradic
#5BB4F5 #E95BF5 #F59C5B #67F55B
square
#5BB4F5 #E95BF5 #F59C5B #67F55B
split-complementary
#5BB4F5 #F55B67 #F5E95B
monochromatic
#0C7AC9 #219AF1 #5BB4F5 #95CEF9 #CEE9FC

Accessibility & contrast

On white

2.26
#5BB4F5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.29
#5BB4F5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4F5
9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB4F5#FFFFFF#000000##000000
##5BB4F51.002.269.299.29
#FFFFFF2.261.0021.0021.00
#0000009.2921.001.001.00
##0000009.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#97B5F8
Deuteranopia (green-blind)
#82A6F4
Tritanopia (blue-blind)
#00C4CA
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #5bb4f5;
/* rgb */ color: rgb(91, 180, 245);
/* oklch */ color: oklch(74.2% 0.127 242.8);
Tailwind
colors: {
  custom: {
    50: '#97caf8',
    500: '#5bb4f5',
    950: '#000000',
  },
}
SCSS
$custom: #5bb4f5;
$custom-light: #97caf8;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb4f5",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 245
  },
  "hsl": {
    "h": 205.325,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.74194,
    "c": 0.12732,
    "h": 242.8
  },
  "luminance": 0.41459
}

Semantic roles & 50–950 ramp

primary
#5BB4F5
secondary
#EFD2BC
accent
#6100E5
background
#F9FCFF
surface
#F2F8FF
border
#CCD1D7
text
#0F1317
muted
#7E8285

Preview Lab

Preview with #5BB4F5

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB4F5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva