#557EF0#557EF0

#557EF0 is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.2% C 0.177 H 266.4°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#557EF0
RGBrgb(85, 126, 240)
HSLhsl(224, 84%, 64%)
HSVhsv(224, 65%, 94%)
CMYKcmyk(64.6%, 47.5%, 0%, 5.9%)
CIE-LABlab(55.22, 21.42, -61.70)
CIE-LCHlch(55.22, 65.32, 289.15°)
OKLaboklab(62.16% -0.011 -0.1767)
OKLCHoklch(62.16% 0.177 266.4)
XYZxyz(26.9299, 23.1418, 85.4688)
Luminance0.2314 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557EF0 #F0C755
analogous
#55CBF0 #557EF0 #7955F0
triadic
#557EF0 #F0557E #7EF055
tetradic
#557EF0 #F055CB #F0C755 #55F079
square
#557EF0 #F055CB #F0C755 #55F079
split-complementary
#557EF0 #F07955 #CBF055
monochromatic
#103DBA #1D53EB #557EF0 #8DA9F5 #C5D3FA

Accessibility & contrast

On white

3.73
#557EF0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.63
#557EF0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EF0
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557EF0#FFFFFF#000000##000000
##557EF01.003.735.635.63
#FFFFFF3.731.0021.0021.00
#0000005.6321.001.001.00
##0000005.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#428CF4
Deuteranopia (green-blind)
#207EEE
Tritanopia (blue-blind)
#0098AB
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #557ef0;
/* rgb */ color: rgb(85, 126, 240);
/* oklch */ color: oklch(62.2% 0.177 266.4);
Tailwind
colors: {
  custom: {
    50: '#94a2f6',
    500: '#557ef0',
    950: '#000000',
  },
}
SCSS
$custom: #557ef0;
$custom-light: #94a2f6;
$custom-dark: #000000;
JSON
{
  "hex": "#557ef0",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 240
  },
  "hsl": {
    "h": 224.129,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.62156,
    "c": 0.17703,
    "h": 266.4
  },
  "luminance": 0.23144
}

Semantic roles & 50–950 ramp

primary
#557EF0
secondary
#ECDDB5
accent
#A605E0
background
#F9F9FF
surface
#F2F2FE
border
#CCCCD6
text
#0E0F17
muted
#7E7E85

Preview Lab

Preview with #557EF0

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

Preview Lab → · Contrast checker → · Palette generator →

#557EF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva