#559BBF#559BBF

#559BBF is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.8% C 0.089 H 232.7°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX#559BBF
RGBrgb(85, 155, 191)
HSLhsl(200, 45%, 54%)
HSVhsv(200, 55%, 75%)
CMYKcmyk(55.5%, 18.8%, 0%, 25.1%)
CIE-LABlab(60.90, -11.67, -25.33)
CIE-LCHlch(60.90, 27.88, 245.27°)
OKLaboklab(65.8% -0.0537 -0.0706)
OKLCHoklch(65.8% 0.089 232.7)
XYZxyz(24.8681, 29.1334, 53.5929)
Luminance0.2914 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#559BBF #BF7955
analogous
#55BFAE #559BBF #5566BF
triadic
#559BBF #BF559B #9BBF55
tetradic
#559BBF #AE55BF #BF7955 #66BF55
square
#559BBF #AE55BF #BF7955 #66BF55
split-complementary
#559BBF #BF5566 #BFAE55
monochromatic
#2A5870 #3B7B9C #559BBF #81B5D0 #AECFE0

Accessibility & contrast

On white

3.08
#559BBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.83
#559BBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BBF
6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##559BBF#FFFFFF#000000##000000
##559BBF1.003.086.836.83
#FFFFFF3.081.0021.0021.00
#0000006.8321.001.001.00
##0000006.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8999C1
Deuteranopia (green-blind)
#7B8EBE
Tritanopia (blue-blind)
#00A5A7
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #559bbf;
/* rgb */ color: rgb(85, 155, 191);
/* oklch */ color: oklch(65.8% 0.089 232.7);
Tailwind
colors: {
  custom: {
    50: '#8db8d2',
    500: '#559bbf',
    950: '#000000',
  },
}
SCSS
$custom: #559bbf;
$custom-light: #8db8d2;
$custom-dark: #000000;
JSON
{
  "hex": "#559bbf",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 191
  },
  "hsl": {
    "h": 200.377,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.65801,
    "c": 0.08868,
    "h": 232.7
  },
  "luminance": 0.29136
}

Semantic roles & 50–950 ramp

primary
#559BBF
secondary
#CEB1A1
accent
#7F53D5
background
#F9FBFC
surface
#F1F6F9
border
#CBD0D2
text
#0D1114
muted
#7E8082

Preview Lab

Preview with #559BBF

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

Preview Lab → · Contrast checker → · Palette generator →

#559BBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva