#5B9DBE#5B9DBE

#5B9DBE is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.5% C 0.083 H 231.6°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX#5B9DBE
RGBrgb(91, 157, 190)
HSLhsl(200, 43%, 55%)
HSVhsv(200, 52%, 75%)
CMYKcmyk(52.1%, 17.4%, 0%, 25.5%)
CIE-LABlab(61.70, -11.75, -23.51)
CIE-LCHlch(61.70, 26.29, 243.44°)
OKLaboklab(66.5% -0.0517 -0.0653)
OKLCHoklch(66.5% 0.083 231.6)
XYZxyz(25.6622, 30.0537, 53.1538)
Luminance0.3006 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B9DBE #BE7C5B
analogous
#5BBEAD #5B9DBE #5B6CBE
triadic
#5B9DBE #BE5B9D #9DBE5B
tetradic
#5B9DBE #AD5BBE #BE7C5B #6CBE5B
square
#5B9DBE #AD5BBE #BE7C5B #6CBE5B
split-complementary
#5B9DBE #BE5B6C #BEAD5B
monochromatic
#2D5B72 #3E7E9D #5B9DBE #87B7CF #B3D1E1

Accessibility & contrast

On white

3.00
#5B9DBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

7.01
#5B9DBE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9DBE
7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B9DBE#FFFFFF#000000##000000
##5B9DBE1.003.007.017.01
#FFFFFF3.001.0021.0021.00
#0000007.0121.001.001.00
##0000007.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D9BC0
Deuteranopia (green-blind)
#7F90BE
Tritanopia (blue-blind)
#1FA6A8
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #5b9dbe;
/* rgb */ color: rgb(91, 157, 190);
/* oklch */ color: oklch(66.5% 0.083 231.6);
Tailwind
colors: {
  custom: {
    50: '#90bad1',
    500: '#5b9dbe',
    950: '#000000',
  },
}
SCSS
$custom: #5b9dbe;
$custom-light: #90bad1;
$custom-dark: #000000;
JSON
{
  "hex": "#5b9dbe",
  "rgb": {
    "r": 91,
    "g": 157,
    "b": 190
  },
  "hsl": {
    "h": 200,
    "s": 43.231,
    "l": 55.098
  },
  "oklch": {
    "l": 0.66495,
    "c": 0.08336,
    "h": 231.6
  },
  "luminance": 0.30056
}

Semantic roles & 50–950 ramp

primary
#5B9DBE
secondary
#CFB3A6
accent
#7F55D3
background
#F9FBFC
surface
#F1F6F9
border
#CBD0D2
text
#0D1114
muted
#7E8082

Preview Lab

Preview with #5B9DBE

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

Preview Lab → · Contrast checker → · Palette generator →

#5B9DBE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva