#5BB9CD#5BB9CD

#5BB9CD is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.6% C 0.093 H 213.5°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX#5BB9CD
RGBrgb(91, 185, 205)
HSLhsl(191, 53%, 58%)
HSVhsv(191, 56%, 80%)
CMYKcmyk(55.6%, 9.8%, 0%, 19.6%)
CIE-LABlab(70.40, -22.16, -18.56)
CIE-LCHlch(70.40, 28.90, 219.96°)
OKLaboklab(73.62% -0.0777 -0.0514)
OKLCHoklch(73.62% 0.093 213.5)
XYZxyz(32.6784, 41.3268, 64.0005)
Luminance0.4133 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB9CD #CD6F5B
analogous
#5BCDA8 #5BB9CD #5B80CD
triadic
#5BB9CD #CD5BB9 #B9CD5B
tetradic
#5BB9CD #A85BCD #CD6F5B #80CD5B
square
#5BB9CD #A85BCD #CD6F5B #80CD5B
split-complementary
#5BB9CD #CD5B80 #CDA85B
monochromatic
#297585 #379EB4 #5BB9CD #8ACDDB #B9E1EA

Accessibility & contrast

On white

2.27
#5BB9CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.27
#5BB9CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9CD
9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB9CD#FFFFFF#000000##000000
##5BB9CD1.002.279.279.27
#FFFFFF2.271.0021.0021.00
#0000009.2721.001.001.00
##0000009.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAB4CE
Deuteranopia (green-blind)
#99A7CD
Tritanopia (blue-blind)
#00C1BF
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #5bb9cd;
/* rgb */ color: rgb(91, 185, 205);
/* oklch */ color: oklch(73.6% 0.093 213.5);
Tailwind
colors: {
  custom: {
    50: '#93cedc',
    500: '#5bb9cd',
    950: '#000000',
  },
}
SCSS
$custom: #5bb9cd;
$custom-light: #93cedc;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb9cd",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 205
  },
  "hsl": {
    "h": 190.526,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.7362,
    "c": 0.09313,
    "h": 213.5
  },
  "luminance": 0.4133
}

Semantic roles & 50–950 ramp

primary
#5BB9CD
secondary
#D9B3AB
accent
#654BDD
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #5BB9CD

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB9CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva