#5599DC#5599DC

#5599DC is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.7% C 0.122 H 249.8°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX#5599DC
RGBrgb(85, 153, 220)
HSLhsl(210, 66%, 60%)
HSVhsv(210, 61%, 86%)
CMYKcmyk(61.4%, 30.5%, 0%, 13.7%)
CIE-LABlab(61.55, -1.37, -40.52)
CIE-LCHlch(61.55, 40.55, 268.07°)
OKLaboklab(66.72% -0.0421 -0.1144)
OKLCHoklch(66.72% 0.122 249.8)
XYZxyz(28.0511, 29.8784, 71.9851)
Luminance0.2988 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5599DC #DC9855
analogous
#55DCDC #5599DC #5555DC
triadic
#5599DC #DC5599 #99DC55
tetradic
#5599DC #DC55DC #DC9855 #55DC55
square
#5599DC #DC55DC #DC9855 #55DC55
split-complementary
#5599DC #DC5555 #DCDC55
monochromatic
#1F5C97 #2A7ACA #5599DC #88B7E6 #BBD6F1

Accessibility & contrast

On white

3.01
#5599DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.98
#5599DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5599DC
6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5599DC#FFFFFF#000000##000000
##5599DC1.003.016.986.98
#FFFFFF3.011.0021.0021.00
#0000006.9821.001.001.00
##0000006.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C9CDF
Deuteranopia (green-blind)
#6A8FDB
Tritanopia (blue-blind)
#00A9B1
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #5599dc;
/* rgb */ color: rgb(85, 153, 220);
/* oklch */ color: oklch(66.7% 0.122 249.8);
Tailwind
colors: {
  custom: {
    50: '#90b6e7',
    500: '#5599dc',
    950: '#000000',
  },
}
SCSS
$custom: #5599dc;
$custom-light: #90b6e7;
$custom-dark: #000000;
JSON
{
  "hex": "#5599dc",
  "rgb": {
    "r": 85,
    "g": 153,
    "b": 220
  },
  "hsl": {
    "h": 209.778,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.66718,
    "c": 0.12186,
    "h": 249.8
  },
  "luminance": 0.29881
}

Semantic roles & 50–950 ramp

primary
#5599DC
secondary
#E0C6AC
accent
#933FE9
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #5599DC

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

Preview Lab → · Contrast checker → · Palette generator →

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