#558ACC#558ACC

#558ACC is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.6% C 0.115 H 254.7°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#558ACC
RGBrgb(85, 138, 204)
HSLhsl(213, 54%, 57%)
HSVhsv(213, 58%, 80%)
CMYKcmyk(58.3%, 32.4%, 0%, 20%)
CIE-LABlab(56.55, 2.12, -39.41)
CIE-LCHlch(56.55, 39.47, 273.08°)
OKLaboklab(62.56% -0.0305 -0.1112)
OKLCHoklch(62.56% 0.115 254.7)
XYZxyz(23.7300, 24.4658, 60.5869)
Luminance0.2447 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558ACC #CC9755
analogous
#55C6CC #558ACC #5C55CC
triadic
#558ACC #CC558A #8ACC55
tetradic
#558ACC #CC55C6 #CC9755 #55CC5C
square
#558ACC #CC55C6 #CC9755 #55CC5C
split-complementary
#558ACC #CC5C55 #C6CC55
monochromatic
#264E80 #356BAF #558ACC #84AADA #B3CBE8

Accessibility & contrast

On white

3.56
#558ACC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.89
#558ACC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ACC
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558ACC#FFFFFF#000000##000000
##558ACC1.003.565.895.89
#FFFFFF3.561.0021.0021.00
#0000005.8921.001.001.00
##0000005.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F8ECF
Deuteranopia (green-blind)
#5F82CB
Tritanopia (blue-blind)
#0099A2
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #558acc;
/* rgb */ color: rgb(85, 138, 204);
/* oklch */ color: oklch(62.6% 0.115 254.7);
Tailwind
colors: {
  custom: {
    50: '#8eabdc',
    500: '#558acc',
    950: '#000000',
  },
}
SCSS
$custom: #558acc;
$custom-light: #8eabdc;
$custom-dark: #000000;
JSON
{
  "hex": "#558acc",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 204
  },
  "hsl": {
    "h": 213.277,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.62555,
    "c": 0.11535,
    "h": 254.7
  },
  "luminance": 0.24468
}

Semantic roles & 50–950 ramp

primary
#558ACC
secondary
#D7C1A6
accent
#9C4BDD
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #558ACC

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

Preview Lab → · Contrast checker → · Palette generator →

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