#558FB6#558FB6

#558FB6 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.6% C 0.085 H 239.5°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#558FB6
RGBrgb(85, 143, 182)
HSLhsl(204, 40%, 52%)
HSVhsv(204, 53%, 71%)
CMYKcmyk(53.3%, 21.4%, 0%, 28.6%)
CIE-LABlab(57.03, -7.74, -26.20)
CIE-LCHlch(57.03, 27.32, 253.54°)
OKLaboklab(62.61% -0.0431 -0.0731)
OKLCHoklch(62.61% 0.085 239.5)
XYZxyz(22.0092, 24.9518, 47.9033)
Luminance0.2495 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#558FB6 #B67C55
analogous
#55B6AD #558FB6 #555EB6
triadic
#558FB6 #B6558F #8FB655
tetradic
#558FB6 #AD55B6 #B67C55 #5EB655
square
#558FB6 #AD55B6 #B67C55 #5EB655
split-complementary
#558FB6 #B6555E #B6AD55
monochromatic
#2B4E65 #3E6F90 #558FB6 #80ABC8 #ABC7DB

Accessibility & contrast

On white

3.51
#558FB6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.99
#558FB6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FB6
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##558FB6#FFFFFF#000000##000000
##558FB61.003.515.995.99
#FFFFFF3.511.0021.0021.00
#0000005.9921.001.001.00
##0000005.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E8FB8
Deuteranopia (green-blind)
#7084B5
Tritanopia (blue-blind)
#18999C
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #558fb6;
/* rgb */ color: rgb(85, 143, 182);
/* oklch */ color: oklch(62.6% 0.085 239.5);
Tailwind
colors: {
  custom: {
    50: '#8bafcc',
    500: '#558fb6',
    950: '#000000',
  },
}
SCSS
$custom: #558fb6;
$custom-light: #8bafcc;
$custom-dark: #000000;
JSON
{
  "hex": "#558fb6",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 182
  },
  "hsl": {
    "h": 204.124,
    "s": 39.918,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62613,
    "c": 0.08483,
    "h": 239.5
  },
  "luminance": 0.24954
}

Semantic roles & 50–950 ramp

primary
#558FB6
secondary
#C9AF9E
accent
#8858D0
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #558FB6

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

Preview Lab → · Contrast checker → · Palette generator →

#558FB6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva