#5B9BDB#5B9BDB

#5B9BDB is a light, moderate cyan. Relative luminance 0.308; OKLCH L 67.4% C 0.116 H 249.9°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX#5B9BDB
RGBrgb(91, 155, 219)
HSLhsl(210, 64%, 61%)
HSVhsv(210, 58%, 86%)
CMYKcmyk(58.4%, 29.2%, 0%, 14.1%)
CIE-LABlab(62.32, -1.69, -38.74)
CIE-LCHlch(62.32, 38.78, 267.50°)
OKLaboklab(67.38% -0.0399 -0.1091)
OKLCHoklch(67.38% 0.116 249.9)
XYZxyz(28.8173, 30.7787, 71.4264)
Luminance0.3078 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B9BDB #DB9B5B
analogous
#5BDBDB #5B9BDB #5B5BDB
triadic
#5B9BDB #DB5B9B #9BDB5B
tetradic
#5B9BDB #DB5BDB #DB9B5B #5BDB5B
square
#5B9BDB #DB5BDB #DB9B5B #5BDB5B
split-complementary
#5B9BDB #DB5B5B #DBDB5B
monochromatic
#225E9A #2D7CCC #5B9BDB #8DBAE6 #BFD8F1

Accessibility & contrast

On white

2.93
#5B9BDB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.16
#5B9BDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9BDB
7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B9BDB#FFFFFF#000000##000000
##5B9BDB1.002.937.167.16
#FFFFFF2.931.0021.0021.00
#0000007.1621.001.001.00
##0000007.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#809EDE
Deuteranopia (green-blind)
#6F91DA
Tritanopia (blue-blind)
#00AAB1
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #5b9bdb;
/* rgb */ color: rgb(91, 155, 219);
/* oklch */ color: oklch(67.4% 0.116 249.9);
Tailwind
colors: {
  custom: {
    50: '#93b8e6',
    500: '#5b9bdb',
    950: '#000000',
  },
}
SCSS
$custom: #5b9bdb;
$custom-light: #93b8e6;
$custom-dark: #000000;
JSON
{
  "hex": "#5b9bdb",
  "rgb": {
    "r": 91,
    "g": 155,
    "b": 219
  },
  "hsl": {
    "h": 210,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.67379,
    "c": 0.11615,
    "h": 249.9
  },
  "luminance": 0.30781
}

Semantic roles & 50–950 ramp

primary
#5B9BDB
secondary
#E1C9B1
accent
#731ACC
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #5B9BDB

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

Preview Lab → · Contrast checker → · Palette generator →

#5B9BDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva