#558DA3#558DA3

#558DA3 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.3% C 0.068 H 225.2°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX#558DA3
RGBrgb(85, 141, 163)
HSLhsl(197, 31%, 49%)
HSVhsv(197, 48%, 64%)
CMYKcmyk(47.9%, 13.5%, 0%, 36.1%)
CIE-LABlab(55.71, -12.29, -17.37)
CIE-LCHlch(55.71, 21.28, 234.70°)
OKLaboklab(61.33% -0.0477 -0.048)
OKLCHoklch(61.33% 0.068 225.2)
XYZxyz(19.8796, 23.6239, 38.1555)
Luminance0.2362 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558DA3 #A36B55
analogous
#55A392 #558DA3 #5566A3
triadic
#558DA3 #A3558D #8DA355
tetradic
#558DA3 #9255A3 #A36B55 #66A355
square
#558DA3 #9255A3 #A36B55 #66A355
split-complementary
#558DA3 #A35566 #A39255
monochromatic
#2B4753 #406A7B #558DA3 #7BA8BA #A3C3CF

Accessibility & contrast

On white

3.67
#558DA3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.73
#558DA3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DA3
5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558DA3#FFFFFF#000000##000000
##558DA31.003.675.735.73
#FFFFFF3.671.0021.0021.00
#0000005.7321.001.001.00
##0000005.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#818BA4
Deuteranopia (green-blind)
#7582A3
Tritanopia (blue-blind)
#2F9494
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #558da3;
/* rgb */ color: rgb(85, 141, 163);
/* oklch */ color: oklch(61.3% 0.068 225.2);
Tailwind
colors: {
  custom: {
    50: '#8aaebe',
    500: '#558da3',
    950: '#000000',
  },
}
SCSS
$custom: #558da3;
$custom-light: #8aaebe;
$custom-dark: #000000;
JSON
{
  "hex": "#558da3",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 163
  },
  "hsl": {
    "h": 196.923,
    "s": 31.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.61325,
    "c": 0.06771,
    "h": 225.2
  },
  "luminance": 0.23625
}

Semantic roles & 50–950 ramp

primary
#558DA3
secondary
#BDA297
accent
#7D60C8
background
#F8FAFB
surface
#F0F4F6
border
#CBCED0
text
#0C1012
muted
#7D7F81

Preview Lab

Preview with #558DA3

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

Preview Lab → · Contrast checker → · Palette generator →

#558DA3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva