#558AD9#558AD9

#558AD9 is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.3% C 0.132 H 258.2°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#558AD9
RGBrgb(85, 138, 217)
HSLhsl(216, 63%, 59%)
HSVhsv(216, 61%, 85%)
CMYKcmyk(60.8%, 36.4%, 0%, 14.9%)
CIE-LABlab(57.19, 6.40, -45.72)
CIE-LCHlch(57.19, 46.17, 277.97°)
OKLaboklab(63.26% -0.0271 -0.1296)
OKLCHoklch(63.26% 0.132 258.2)
XYZxyz(25.3547, 25.1157, 69.1438)
Luminance0.2512 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558AD9 #D9A455
analogous
#55CCD9 #558AD9 #6255D9
triadic
#558AD9 #D9558A #8AD955
tetradic
#558AD9 #D955CC #D9A455 #55D962
square
#558AD9 #D955CC #D9A455 #55D962
split-complementary
#558AD9 #D96255 #CCD955
monochromatic
#214F93 #2C69C5 #558AD9 #87ACE4 #B9CFEF

Accessibility & contrast

On white

3.49
#558AD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.02
#558AD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AD9
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558AD9#FFFFFF#000000##000000
##558AD91.003.496.026.02
#FFFFFF3.491.0021.0021.00
#0000006.0221.001.001.00
##0000006.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6890DC
Deuteranopia (green-blind)
#5684D7
Tritanopia (blue-blind)
#009CA7
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #558ad9;
/* rgb */ color: rgb(85, 138, 217);
/* oklch */ color: oklch(63.3% 0.132 258.2);
Tailwind
colors: {
  custom: {
    50: '#90abe5',
    500: '#558ad9',
    950: '#000000',
  },
}
SCSS
$custom: #558ad9;
$custom-light: #90abe5;
$custom-dark: #000000;
JSON
{
  "hex": "#558ad9",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 217
  },
  "hsl": {
    "h": 215.909,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.6326,
    "c": 0.13246,
    "h": 258.2
  },
  "luminance": 0.25118
}

Semantic roles & 50–950 ramp

primary
#558AD9
secondary
#DFCAAB
accent
#A441E6
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #558AD9

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

Preview Lab → · Contrast checker → · Palette generator →

#558AD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva