#5599BE#5599BE

#5599BE is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.3% C 0.088 H 234.2°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#5599BE
RGBrgb(85, 153, 190)
HSLhsl(201, 45%, 54%)
HSVhsv(201, 55%, 75%)
CMYKcmyk(55.3%, 19.5%, 0%, 25.5%)
CIE-LABlab(60.27, -10.87, -25.72)
CIE-LCHlch(60.27, 27.93, 247.09°)
OKLaboklab(65.29% -0.0518 -0.0717)
OKLCHoklch(65.29% 0.088 234.2)
XYZxyz(24.4283, 28.4293, 52.9053)
Luminance0.2843 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5599BE #BE7A55
analogous
#55BEAF #5599BE #5565BE
triadic
#5599BE #BE5599 #99BE55
tetradic
#5599BE #AF55BE #BE7A55 #65BE55
square
#5599BE #AF55BE #BE7A55 #65BE55
split-complementary
#5599BE #BE5565 #BEAF55
monochromatic
#2A566E #3B799B #5599BE #81B4CF #AECEE0

Accessibility & contrast

On white

3.14
#5599BE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.69
#5599BE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5599BE
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5599BE#FFFFFF#000000##000000
##5599BE1.003.146.696.69
#FFFFFF3.141.0021.0021.00
#0000006.6921.001.001.00
##0000006.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8798C0
Deuteranopia (green-blind)
#798CBD
Tritanopia (blue-blind)
#00A3A5
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #5599be;
/* rgb */ color: rgb(85, 153, 190);
/* oklch */ color: oklch(65.3% 0.088 234.2);
Tailwind
colors: {
  custom: {
    50: '#8db7d1',
    500: '#5599be',
    950: '#000000',
  },
}
SCSS
$custom: #5599be;
$custom-light: #8db7d1;
$custom-dark: #000000;
JSON
{
  "hex": "#5599be",
  "rgb": {
    "r": 85,
    "g": 153,
    "b": 190
  },
  "hsl": {
    "h": 201.143,
    "s": 44.681,
    "l": 53.922
  },
  "oklch": {
    "l": 0.65292,
    "c": 0.08846,
    "h": 234.2
  },
  "luminance": 0.28431
}

Semantic roles & 50–950 ramp

primary
#5599BE
secondary
#CEB1A1
accent
#8153D4
background
#F9FBFC
surface
#F1F6F9
border
#CBD0D2
text
#0D1114
muted
#7E8082

Preview Lab

Preview with #5599BE

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

Preview Lab → · Contrast checker → · Palette generator →

#5599BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva