#5B9DCD#5B9DCD

#5B9DCD is a light, moderate cyan. Relative luminance 0.307; OKLCH L 67.2% C 0.098 H 241.8°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX#5B9DCD
RGBrgb(91, 157, 205)
HSLhsl(205, 53%, 58%)
HSVhsv(205, 56%, 80%)
CMYKcmyk(55.6%, 23.4%, 0%, 19.6%)
CIE-LABlab(62.29, -7.21, -31.00)
CIE-LCHlch(62.29, 31.83, 256.90°)
OKLaboklab(67.16% -0.0465 -0.0867)
OKLCHoklch(67.16% 0.098 241.8)
XYZxyz(27.3868, 30.7435, 62.2366)
Luminance0.3075 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B9DCD #CD8B5B
analogous
#5BCDC4 #5B9DCD #5B64CD
triadic
#5B9DCD #CD5B9D #9DCD5B
tetradic
#5B9DCD #C45BCD #CD8B5B #64CD5B
square
#5B9DCD #C45BCD #CD8B5B #64CD5B
split-complementary
#5B9DCD #CD5B64 #CDC45B
monochromatic
#295E85 #377FB4 #5B9DCD #8AB9DB #B9D5EA

Accessibility & contrast

On white

2.94
#5B9DCD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.15
#5B9DCD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9DCD
7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B9DCD#FFFFFF#000000##000000
##5B9DCD1.002.947.157.15
#FFFFFF2.941.0021.0021.00
#0000007.1521.001.001.00
##0000007.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#889DCF
Deuteranopia (green-blind)
#7891CC
Tritanopia (blue-blind)
#00A9AD
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #5b9dcd;
/* rgb */ color: rgb(91, 157, 205);
/* oklch */ color: oklch(67.2% 0.098 241.8);
Tailwind
colors: {
  custom: {
    50: '#91b9dc',
    500: '#5b9dcd',
    950: '#000000',
  },
}
SCSS
$custom: #5b9dcd;
$custom-light: #91b9dc;
$custom-dark: #000000;
JSON
{
  "hex": "#5b9dcd",
  "rgb": {
    "r": 91,
    "g": 157,
    "b": 205
  },
  "hsl": {
    "h": 205.263,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.67157,
    "c": 0.0984,
    "h": 241.8
  },
  "luminance": 0.30746
}

Semantic roles & 50–950 ramp

primary
#5B9DCD
secondary
#D9BEAB
accent
#884BDD
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #5B9DCD

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

Preview Lab → · Contrast checker → · Palette generator →

#5B9DCD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva