#5BB6CB#5BB6CB

#5BB6CB is a light, moderate cyan. Relative luminance 0.400; OKLCH L 72.8% C 0.092 H 214.8°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX#5BB6CB
RGBrgb(91, 182, 203)
HSLhsl(191, 52%, 58%)
HSVhsv(191, 55%, 80%)
CMYKcmyk(55.2%, 10.3%, 0%, 20.4%)
CIE-LABlab(69.46, -21.20, -18.89)
CIE-LCHlch(69.46, 28.39, 221.71°)
OKLaboklab(72.84% -0.0751 -0.0523)
OKLCHoklch(72.84% 0.092 214.8)
XYZxyz(31.8176, 39.9889, 62.5302)
Luminance0.3999 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5BB6CB #CB705B
analogous
#5BCBA8 #5BB6CB #5B7ECB
triadic
#5BB6CB #CB5BB6 #B6CB5B
tetradic
#5BB6CB #A85BCB #CB705B #7ECB5B
square
#5BB6CB #A85BCB #CB705B #7ECB5B
split-complementary
#5BB6CB #CB5B7E #CBA85B
monochromatic
#297282 #389AB1 #5BB6CB #89CBDA #B8DFE8

Accessibility & contrast

On white

2.33
#5BB6CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.00
#5BB6CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB6CB
9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5BB6CB#FFFFFF#000000##000000
##5BB6CB1.002.339.009.00
#FFFFFF2.331.0021.0021.00
#0000009.0021.001.001.00
##0000009.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A7B1CC
Deuteranopia (green-blind)
#96A4CB
Tritanopia (blue-blind)
#00BEBC
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #5bb6cb;
/* rgb */ color: rgb(91, 182, 203);
/* oklch */ color: oklch(72.8% 0.092 214.8);
Tailwind
colors: {
  custom: {
    50: '#92ccda',
    500: '#5bb6cb',
    950: '#000000',
  },
}
SCSS
$custom: #5bb6cb;
$custom-light: #92ccda;
$custom-dark: #000000;
JSON
{
  "hex": "#5bb6cb",
  "rgb": {
    "r": 91,
    "g": 182,
    "b": 203
  },
  "hsl": {
    "h": 191.25,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.72842,
    "c": 0.09157,
    "h": 214.8
  },
  "luminance": 0.39992
}

Semantic roles & 50–950 ramp

primary
#5BB6CB
secondary
#D7B3AA
accent
#674CDB
background
#F9FCFD
surface
#F2F8FA
border
#CCD1D3
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #5BB6CB

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

Preview Lab → · Contrast checker → · Palette generator →

#5BB6CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva