#558ECA#558ECA

#558ECA is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.3% C 0.109 H 251.0°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX#558ECA
RGBrgb(85, 142, 202)
HSLhsl(211, 52%, 56%)
HSVhsv(211, 58%, 79%)
CMYKcmyk(57.9%, 29.7%, 0%, 20.8%)
CIE-LABlab(57.60, -0.87, -36.64)
CIE-LCHlch(57.60, 36.65, 268.65°)
OKLaboklab(63.34% -0.0354 -0.1032)
OKLCHoklch(63.34% 0.109 251)
XYZxyz(24.0762, 25.5395, 59.5265)
Luminance0.2554 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558ECA #CA9155
analogous
#55C9CA #558ECA #5755CA
triadic
#558ECA #CA558E #8ECA55
tetradic
#558ECA #CA55C9 #CA9155 #55CA57
square
#558ECA #CA55C9 #CA9155 #55CA57
split-complementary
#558ECA #CA5755 #C9CA55
monochromatic
#27517D #366FAC #558ECA #84ADD9 #B2CCE7

Accessibility & contrast

On white

3.44
#558ECA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.11
#558ECA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ECA
6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558ECA#FFFFFF#000000##000000
##558ECA1.003.446.116.11
#FFFFFF3.441.0021.0021.00
#0000006.1121.001.001.00
##0000006.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7591CD
Deuteranopia (green-blind)
#6685C9
Tritanopia (blue-blind)
#009CA3
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #558eca;
/* rgb */ color: rgb(85, 142, 202);
/* oklch */ color: oklch(63.3% 0.109 251.0);
Tailwind
colors: {
  custom: {
    50: '#8eaeda',
    500: '#558eca',
    950: '#000000',
  },
}
SCSS
$custom: #558eca;
$custom-light: #8eaeda;
$custom-dark: #000000;
JSON
{
  "hex": "#558eca",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 202
  },
  "hsl": {
    "h": 210.769,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.63344,
    "c": 0.1091,
    "h": 251
  },
  "luminance": 0.25542
}

Semantic roles & 50–950 ramp

primary
#558ECA
secondary
#D5BEA5
accent
#964CDC
background
#F9FAFD
surface
#F1F4FA
border
#CBCED3
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #558ECA

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

Preview Lab → · Contrast checker → · Palette generator →

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