#5BB8CD#5BB8CD

#5BB8CD is a light, moderate cyan. Relative luminance 0.409; OKLCH L 73.4% C 0.093 H 214.5°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX#5BB8CD
RGBrgb(91, 184, 205)
HSLhsl(191, 53%, 58%)
HSVhsv(191, 56%, 80%)
CMYKcmyk(55.6%, 10.2%, 0%, 19.6%)
CIE-LABlab(70.11, -21.65, -19.00)
CIE-LCHlch(70.11, 28.80, 221.28°)
OKLaboklab(73.39% -0.0766 -0.0526)
OKLCHoklch(73.39% 0.093 214.5)
XYZxyz(32.4699, 40.9098, 63.9310)
Luminance0.4091 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB8CD #CD705B
analogous
#5BCDA9 #5BB8CD #5B7FCD
triadic
#5BB8CD #CD5BB8 #B8CD5B
tetradic
#5BB8CD #A95BCD #CD705B #7FCD5B
square
#5BB8CD #A95BCD #CD705B #7FCD5B
split-complementary
#5BB8CD #CD5B7F #CDA95B
monochromatic
#297485 #379DB4 #5BB8CD #8ACCDB #B9E1EA

Accessibility & contrast

On white

2.29
#5BB8CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.18
#5BB8CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB8CD
9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB8CD#FFFFFF#000000##000000
##5BB8CD1.002.299.189.18
#FFFFFF2.291.0021.0021.00
#0000009.1821.001.001.00
##0000009.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9B3CE
Deuteranopia (green-blind)
#98A6CD
Tritanopia (blue-blind)
#00C0BE
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #5bb8cd;
/* rgb */ color: rgb(91, 184, 205);
/* oklch */ color: oklch(73.4% 0.093 214.5);
Tailwind
colors: {
  custom: {
    50: '#93cddc',
    500: '#5bb8cd',
    950: '#000000',
  },
}
SCSS
$custom: #5bb8cd;
$custom-light: #93cddc;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb8cd",
  "rgb": {
    "r": 91,
    "g": 184,
    "b": 205
  },
  "hsl": {
    "h": 191.053,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.73387,
    "c": 0.09291,
    "h": 214.5
  },
  "luminance": 0.40913
}

Semantic roles & 50–950 ramp

primary
#5BB8CD
secondary
#D9B4AB
accent
#664BDD
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #5BB8CD

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB8CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva