#558FDA#558FDA

#558FDA is a light, vivid cyan. Relative luminance 0.266; OKLCH L 64.4% C 0.129 H 255.5°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX#558FDA
RGBrgb(85, 143, 218)
HSLhsl(214, 64%, 59%)
HSVhsv(214, 61%, 85%)
CMYKcmyk(61%, 34.4%, 0%, 14.5%)
CIE-LABlab(58.64, 3.78, -43.99)
CIE-LCHlch(58.64, 44.16, 274.91°)
OKLaboklab(64.41% -0.0321 -0.1245)
OKLCHoklch(64.41% 0.129 255.5)
XYZxyz(26.2191, 26.6358, 70.0756)
Luminance0.2664 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558FDA #DAA055
analogous
#55D1DA #558FDA #5E55DA
triadic
#558FDA #DA558F #8FDA55
tetradic
#558FDA #DA55D1 #DAA055 #55DA5E
square
#558FDA #DA55D1 #DAA055 #55DA5E
split-complementary
#558FDA #DA5E55 #D1DA55
monochromatic
#205394 #2B6FC7 #558FDA #87B0E5 #BAD1F0

Accessibility & contrast

On white

3.32
#558FDA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.33
#558FDA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FDA
6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558FDA#FFFFFF#000000##000000
##558FDA1.003.326.336.33
#FFFFFF3.321.0021.0021.00
#0000006.3321.001.001.00
##0000006.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F94DD
Deuteranopia (green-blind)
#5D87D8
Tritanopia (blue-blind)
#00A0AA
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #558fda;
/* rgb */ color: rgb(85, 143, 218);
/* oklch */ color: oklch(64.4% 0.129 255.5);
Tailwind
colors: {
  custom: {
    50: '#90afe6',
    500: '#558fda',
    950: '#000000',
  },
}
SCSS
$custom: #558fda;
$custom-light: #90afe6;
$custom-dark: #000000;
JSON
{
  "hex": "#558fda",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 218
  },
  "hsl": {
    "h": 213.835,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.64405,
    "c": 0.12863,
    "h": 255.5
  },
  "luminance": 0.26638
}

Semantic roles & 50–950 ramp

primary
#558FDA
secondary
#DFC9AB
accent
#9F41E7
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #558FDA

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

Preview Lab → · Contrast checker → · Palette generator →

#558FDA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva