#558EDD#558EDD

#558EDD is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.4% C 0.134 H 256.9°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX#558EDD
RGBrgb(85, 142, 221)
HSLhsl(215, 67%, 60%)
HSVhsv(215, 62%, 87%)
CMYKcmyk(61.5%, 35.7%, 0%, 13.3%)
CIE-LABlab(58.50, 5.36, -45.88)
CIE-LCHlch(58.50, 46.19, 276.67°)
OKLaboklab(64.35% -0.0303 -0.1301)
OKLCHoklch(64.35% 0.134 256.9)
XYZxyz(26.4658, 26.4953, 72.1120)
Luminance0.2650 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558EDD #DDA455
analogous
#55D2DD #558EDD #6055DD
triadic
#558EDD #DD558E #8EDD55
tetradic
#558EDD #DD55D2 #DDA455 #55DD60
square
#558EDD #DD55D2 #DDA455 #55DD60
split-complementary
#558EDD #DD6055 #D2DD55
monochromatic
#1F5299 #296DCC #558EDD #88B0E7 #BBD2F1

Accessibility & contrast

On white

3.33
#558EDD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.30
#558EDD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EDD
6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558EDD#FFFFFF#000000##000000
##558EDD1.003.336.306.30
#FFFFFF3.331.0021.0021.00
#0000006.3021.001.001.00
##0000006.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C94E0
Deuteranopia (green-blind)
#5A87DB
Tritanopia (blue-blind)
#00A0AB
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #558edd;
/* rgb */ color: rgb(85, 142, 221);
/* oklch */ color: oklch(64.4% 0.134 256.9);
Tailwind
colors: {
  custom: {
    50: '#90aee8',
    500: '#558edd',
    950: '#000000',
  },
}
SCSS
$custom: #558edd;
$custom-light: #90aee8;
$custom-dark: #000000;
JSON
{
  "hex": "#558edd",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 221
  },
  "hsl": {
    "h": 214.853,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.64351,
    "c": 0.13355,
    "h": 256.9
  },
  "luminance": 0.26498
}

Semantic roles & 50–950 ramp

primary
#558EDD
secondary
#E1CBAD
accent
#A23EEA
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #558EDD

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

Preview Lab → · Contrast checker → · Palette generator →

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