#5BB5F5#5BB5F5

#5BB5F5 is a light, vivid cyan. Relative luminance 0.419; OKLCH L 74.4% C 0.127 H 242.1°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX#5BB5F5
RGBrgb(91, 181, 245)
HSLhsl(205, 89%, 66%)
HSVhsv(205, 63%, 96%)
CMYKcmyk(62.9%, 26.1%, 0%, 3.9%)
CIE-LABlab(70.77, -7.92, -39.80)
CIE-LCHlch(70.77, 40.58, 258.75°)
OKLaboklab(74.42% -0.0592 -0.112)
OKLCHoklch(74.42% 0.127 242.1)
XYZxyz(37.3135, 41.8607, 92.4820)
Luminance0.4186 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB5F5 #F59B5B
analogous
#5BF5E8 #5BB5F5 #5B68F5
triadic
#5BB5F5 #F55BB5 #B5F55B
tetradic
#5BB5F5 #E85BF5 #F59B5B #68F55B
square
#5BB5F5 #E85BF5 #F59B5B #68F55B
split-complementary
#5BB5F5 #F55B68 #F5E85B
monochromatic
#0C7BC9 #219BF1 #5BB5F5 #95CFF9 #CEE9FC

Accessibility & contrast

On white

2.24
#5BB5F5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.37
#5BB5F5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5F5
9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB5F5#FFFFFF#000000##000000
##5BB5F51.002.249.379.37
#FFFFFF2.241.0021.0021.00
#0000009.3721.001.001.00
##0000009.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#98B6F8
Deuteranopia (green-blind)
#83A6F4
Tritanopia (blue-blind)
#00C5CB
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #5bb5f5;
/* rgb */ color: rgb(91, 181, 245);
/* oklch */ color: oklch(74.4% 0.127 242.1);
Tailwind
colors: {
  custom: {
    50: '#97cbf8',
    500: '#5bb5f5',
    950: '#000000',
  },
}
SCSS
$custom: #5bb5f5;
$custom-light: #97cbf8;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb5f5",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 245
  },
  "hsl": {
    "h": 204.935,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.74416,
    "c": 0.12666,
    "h": 242.1
  },
  "luminance": 0.41864
}

Semantic roles & 50–950 ramp

primary
#5BB5F5
secondary
#EFD2BC
accent
#5F00E5
background
#F9FCFF
surface
#F2F8FF
border
#CCD1D7
text
#0F1317
muted
#7E8285

Preview Lab

Preview with #5BB5F5

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB5F5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva