#558DDD#558DDD

#558DDD is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.1% C 0.135 H 257.4°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX#558DDD
RGBrgb(85, 141, 221)
HSLhsl(215, 67%, 60%)
HSVhsv(215, 62%, 87%)
CMYKcmyk(61.5%, 36.2%, 0%, 13.3%)
CIE-LABlab(58.23, 5.95, -46.32)
CIE-LCHlch(58.23, 46.70, 277.32°)
OKLaboklab(64.13% -0.0293 -0.1314)
OKLCHoklch(64.13% 0.135 257.4)
XYZxyz(26.3177, 26.1991, 72.0626)
Luminance0.2620 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558DDD #DDA555
analogous
#55D1DD #558DDD #6155DD
triadic
#558DDD #DD558D #8DDD55
tetradic
#558DDD #DD55D1 #DDA555 #55DD61
square
#558DDD #DD55D1 #DDA555 #55DD61
split-complementary
#558DDD #DD6155 #D1DD55
monochromatic
#1F5199 #296CCC #558DDD #88AFE7 #BBD1F1

Accessibility & contrast

On white

3.37
#558DDD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.24
#558DDD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DDD
6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558DDD#FFFFFF#000000##000000
##558DDD1.003.376.246.24
#FFFFFF3.371.0021.0021.00
#0000006.2421.001.001.00
##0000006.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B93E0
Deuteranopia (green-blind)
#5886DB
Tritanopia (blue-blind)
#009FAA
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #558ddd;
/* rgb */ color: rgb(85, 141, 221);
/* oklch */ color: oklch(64.1% 0.135 257.4);
Tailwind
colors: {
  custom: {
    50: '#90ade8',
    500: '#558ddd',
    950: '#000000',
  },
}
SCSS
$custom: #558ddd;
$custom-light: #90ade8;
$custom-dark: #000000;
JSON
{
  "hex": "#558ddd",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 221
  },
  "hsl": {
    "h": 215.294,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.64134,
    "c": 0.13458,
    "h": 257.4
  },
  "luminance": 0.26202
}

Semantic roles & 50–950 ramp

primary
#558DDD
secondary
#E1CCAD
accent
#A33EEA
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #558DDD

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

Preview Lab → · Contrast checker → · Palette generator →

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