#557DE3#557DE3

#557DE3 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.1% C 0.161 H 265.8°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#557DE3
RGBrgb(85, 125, 227)
HSLhsl(223, 72%, 61%)
HSVhsv(223, 63%, 89%)
CMYKcmyk(62.6%, 44.9%, 0%, 11%)
CIE-LABlab(54.18, 17.61, -56.12)
CIE-LCHlch(54.18, 58.82, 287.43°)
OKLaboklab(61.11% -0.0119 -0.1603)
OKLCHoklch(61.11% 0.161 265.8)
XYZxyz(24.9403, 22.1423, 75.6177)
Luminance0.2215 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557DE3 #E3BB55
analogous
#55C4E3 #557DE3 #7455E3
triadic
#557DE3 #E3557D #7DE355
tetradic
#557DE3 #E355C4 #E3BB55 #55E374
square
#557DE3 #E355C4 #E3BB55 #55E374
split-complementary
#557DE3 #E37455 #C4E355
monochromatic
#1B41A3 #2356D7 #557DE3 #8AA5EC #BECDF4

Accessibility & contrast

On white

3.87
#557DE3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.43
#557DE3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DE3
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557DE3#FFFFFF#000000##000000
##557DE31.003.875.435.43
#FFFFFF3.871.0021.0021.00
#0000005.4321.001.001.00
##0000005.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#4C88E7
Deuteranopia (green-blind)
#347BE1
Tritanopia (blue-blind)
#0094A5
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #557de3;
/* rgb */ color: rgb(85, 125, 227);
/* oklch */ color: oklch(61.1% 0.161 265.8);
Tailwind
colors: {
  custom: {
    50: '#91a2ec',
    500: '#557de3',
    950: '#000000',
  },
}
SCSS
$custom: #557de3;
$custom-light: #91a2ec;
$custom-dark: #000000;
JSON
{
  "hex": "#557de3",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 227
  },
  "hsl": {
    "h": 223.099,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.61111,
    "c": 0.16072,
    "h": 265.8
  },
  "luminance": 0.22145
}

Semantic roles & 50–950 ramp

primary
#557DE3
secondary
#E5D6AF
accent
#9D12D4
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0F16
muted
#7E7E84

Preview Lab

Preview with #557DE3

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

Preview Lab → · Contrast checker → · Palette generator →

#557DE3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva