#5BB3CE#5BB3CE

#5BB3CE is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.3% C 0.093 H 220.4°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX#5BB3CE
RGBrgb(91, 179, 206)
HSLhsl(194, 54%, 58%)
HSVhsv(194, 56%, 81%)
CMYKcmyk(55.8%, 13.1%, 0%, 19.2%)
CIE-LABlab(68.69, -18.78, -21.71)
CIE-LCHlch(68.69, 28.71, 229.15°)
OKLaboklab(72.26% -0.0707 -0.0602)
OKLCHoklch(72.26% 0.093 220.4)
XYZxyz(31.5707, 38.9176, 64.2287)
Luminance0.3892 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB3CE #CE765B
analogous
#5BCEAF #5BB3CE #5B79CE
triadic
#5BB3CE #CE5BB3 #B3CE5B
tetradic
#5BB3CE #AF5BCE #CE765B #79CE5B
square
#5BB3CE #AF5BCE #CE765B #79CE5B
split-complementary
#5BB3CE #CE5B79 #CEAF5B
monochromatic
#287086 #3698B6 #5BB3CE #8AC9DC #B9DFEA

Accessibility & contrast

On white

2.39
#5BB3CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.78
#5BB3CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3CE
8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB3CE#FFFFFF#000000##000000
##5BB3CE1.002.398.788.78
#FFFFFF2.391.0021.0021.00
#0000008.7821.001.001.00
##0000008.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3AFCF
Deuteranopia (green-blind)
#92A2CE
Tritanopia (blue-blind)
#00BCBB
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #5bb3ce;
/* rgb */ color: rgb(91, 179, 206);
/* oklch */ color: oklch(72.3% 0.093 220.4);
Tailwind
colors: {
  custom: {
    50: '#93c9dd',
    500: '#5bb3ce',
    950: '#000000',
  },
}
SCSS
$custom: #5bb3ce;
$custom-light: #93c9dd;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb3ce",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 206
  },
  "hsl": {
    "h": 194.087,
    "s": 53.991,
    "l": 58.235
  },
  "oklch": {
    "l": 0.7226,
    "c": 0.09287,
    "h": 220.4
  },
  "luminance": 0.38921
}

Semantic roles & 50–950 ramp

primary
#5BB3CE
secondary
#D9B6AB
accent
#6D4ADD
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #5BB3CE

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB3CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva