#5578CB#5578CB

#5578CB is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.6% C 0.134 H 265.3°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX#5578CB
RGBrgb(85, 120, 203)
HSLhsl(222, 53%, 56%)
HSVhsv(222, 58%, 80%)
CMYKcmyk(58.1%, 40.9%, 0%, 20.4%)
CIE-LABlab(51.47, 12.61, -46.88)
CIE-LCHlch(51.47, 48.55, 285.05°)
OKLaboklab(58.59% -0.011 -0.1332)
OKLCHoklch(58.59% 0.134 265.3)
XYZxyz(21.2386, 19.6743, 59.1666)
Luminance0.1968 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5578CB #CBA855
analogous
#55B3CB #5578CB #6D55CB
triadic
#5578CB #CB5578 #78CB55
tetradic
#5578CB #CB55B3 #CBA855 #55CB6D
square
#5578CB #CB55B3 #CBA855 #55CB6D
split-complementary
#5578CB #CB6D55 #B3CB55
monochromatic
#27417F #3559AE #5578CB #849DD9 #B3C2E8

Accessibility & contrast

On white

4.26
#5578CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.94
#5578CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578CB
4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5578CB#FFFFFF#000000##000000
##5578CB1.004.264.944.94
#FFFFFF4.261.0021.0021.00
#0000004.9421.001.001.00
##0000004.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5480CE
Deuteranopia (green-blind)
#4576C9
Tritanopia (blue-blind)
#008A98
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #5578cb;
/* rgb */ color: rgb(85, 120, 203);
/* oklch */ color: oklch(58.6% 0.134 265.3);
Tailwind
colors: {
  custom: {
    50: '#8e9edb',
    500: '#5578cb',
    950: '#000000',
  },
}
SCSS
$custom: #5578cb;
$custom-light: #8e9edb;
$custom-dark: #000000;
JSON
{
  "hex": "#5578cb",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 203
  },
  "hsl": {
    "h": 222.203,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.58589,
    "c": 0.13369,
    "h": 265.3
  },
  "luminance": 0.19676
}

Semantic roles & 50–950 ramp

primary
#5578CB
secondary
#D6C8A6
accent
#B14BDD
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0E15
muted
#7E7E83

Preview Lab

Preview with #5578CB

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

Preview Lab → · Contrast checker → · Palette generator →

#5578CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva