#558FDB#558FDB

#558FDB is a light, vivid cyan. Relative luminance 0.267; OKLCH L 64.5% C 0.130 H 255.8°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX#558FDB
RGBrgb(85, 143, 219)
HSLhsl(214, 65%, 60%)
HSVhsv(214, 61%, 86%)
CMYKcmyk(61.2%, 34.7%, 0%, 14.1%)
CIE-LABlab(58.68, 4.11, -44.48)
CIE-LCHlch(58.68, 44.66, 275.28°)
OKLaboklab(64.46% -0.0319 -0.126)
OKLCHoklch(64.46% 0.13 255.8)
XYZxyz(26.3504, 26.6883, 70.7668)
Luminance0.2669 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558FDB #DBA155
analogous
#55D2DB #558FDB #5E55DB
triadic
#558FDB #DB558F #8FDB55
tetradic
#558FDB #DB55D2 #DBA155 #55DB5E
square
#558FDB #DB55D2 #DBA155 #55DB5E
split-complementary
#558FDB #DB5E55 #D2DB55
monochromatic
#205396 #2A6FC8 #558FDB #88B0E6 #BAD2F0

Accessibility & contrast

On white

3.31
#558FDB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.34
#558FDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FDB
6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558FDB#FFFFFF#000000##000000
##558FDB1.003.316.346.34
#FFFFFF3.311.0021.0021.00
#0000006.3421.001.001.00
##0000006.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F94DE
Deuteranopia (green-blind)
#5D87D9
Tritanopia (blue-blind)
#00A0AB
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #558fdb;
/* rgb */ color: rgb(85, 143, 219);
/* oklch */ color: oklch(64.5% 0.130 255.8);
Tailwind
colors: {
  custom: {
    50: '#90afe6',
    500: '#558fdb',
    950: '#000000',
  },
}
SCSS
$custom: #558fdb;
$custom-light: #90afe6;
$custom-dark: #000000;
JSON
{
  "hex": "#558fdb",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 219
  },
  "hsl": {
    "h": 214.03,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.64459,
    "c": 0.12993,
    "h": 255.8
  },
  "luminance": 0.26691
}

Semantic roles & 50–950 ramp

primary
#558FDB
secondary
#E0C9AC
accent
#9F40E8
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #558FDB

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

Preview Lab → · Contrast checker → · Palette generator →

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