#5BB4ED#5BB4ED

#5BB4ED is a light, moderate cyan. Relative luminance 0.410; OKLCH L 73.8% C 0.119 H 239.3°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX#5BB4ED
RGBrgb(91, 180, 237)
HSLhsl(203, 80%, 64%)
HSVhsv(203, 62%, 93%)
CMYKcmyk(61.6%, 24.1%, 0%, 7.1%)
CIE-LABlab(70.16, -9.90, -36.41)
CIE-LCHlch(70.16, 37.73, 254.79°)
OKLaboklab(73.82% -0.0607 -0.1022)
OKLCHoklch(73.82% 0.119 239.3)
XYZxyz(35.9159, 40.9776, 86.1210)
Luminance0.4098 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB4ED #ED945B
analogous
#5BEDDD #5BB4ED #5B6BED
triadic
#5BB4ED #ED5BB4 #B4ED5B
tetradic
#5BB4ED #DD5BED #ED945B #6BED5B
square
#5BB4ED #DD5BED #ED945B #6BED5B
split-complementary
#5BB4ED #ED5B6B #EDDD5B
monochromatic
#1479B9 #249BE7 #5BB4ED #92CDF3 #C9E6F9

Accessibility & contrast

On white

2.28
#5BB4ED on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.20
#5BB4ED on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4ED
9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB4ED#FFFFFF#000000##000000
##5BB4ED1.002.289.209.20
#FFFFFF2.281.0021.0021.00
#0000009.2021.001.001.00
##0000009.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AB4F0
Deuteranopia (green-blind)
#86A5EC
Tritanopia (blue-blind)
#00C2C7
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #5bb4ed;
/* rgb */ color: rgb(91, 180, 237);
/* oklch */ color: oklch(73.8% 0.119 239.3);
Tailwind
colors: {
  custom: {
    50: '#96caf3',
    500: '#5bb4ed',
    950: '#000000',
  },
}
SCSS
$custom: #5bb4ed;
$custom-light: #96caf3;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb4ed",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 237
  },
  "hsl": {
    "h": 203.425,
    "s": 80.22,
    "l": 64.314
  },
  "oklch": {
    "l": 0.7382,
    "c": 0.11888,
    "h": 239.3
  },
  "luminance": 0.40981
}

Semantic roles & 50–950 ramp

primary
#5BB4ED
secondary
#EBCCB9
accent
#5C09DD
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1317
muted
#7E8285

Preview Lab

Preview with #5BB4ED

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB4ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva