#557DFA#557DFA

#557DFA is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.6% C 0.192 H 267.3°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX#557DFA
RGBrgb(85, 125, 250)
HSLhsl(225, 94%, 66%)
HSVhsv(225, 66%, 98%)
CMYKcmyk(66%, 50%, 0%, 2%)
CIE-LABlab(55.58, 25.45, -66.66)
CIE-LCHlch(55.58, 71.35, 290.90°)
OKLaboklab(62.63% -0.009 -0.1913)
OKLCHoklch(62.63% 0.192 267.3)
XYZxyz(28.3293, 23.4979, 93.4665)
Luminance0.2350 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557DFA #FAD255
analogous
#55CFFA #557DFA #8055FA
triadic
#557DFA #FA557D #7DFA55
tetradic
#557DFA #FA55CF #FAD255 #55FA80
square
#557DFA #FA55CF #FAD255 #55FA80
split-complementary
#557DFA #FA8055 #CFFA55
monochromatic
#0637CF #1A50F8 #557DFA #90AAFC #CCD8FD

Accessibility & contrast

On white

3.68
#557DFA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.70
#557DFA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DFA
5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557DFA#FFFFFF#000000##000000
##557DFA1.003.685.705.70
#FFFFFF3.681.0021.0021.00
#0000005.7021.001.001.00
##0000005.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#348DFE
Deuteranopia (green-blind)
#007EF7
Tritanopia (blue-blind)
#009AB0
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #557dfa;
/* rgb */ color: rgb(85, 125, 250);
/* oklch */ color: oklch(62.6% 0.192 267.3);
Tailwind
colors: {
  custom: {
    50: '#95a2fd',
    500: '#557dfa',
    950: '#000000',
  },
}
SCSS
$custom: #557dfa;
$custom-light: #95a2fd;
$custom-dark: #000000;
JSON
{
  "hex": "#557dfa",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 250
  },
  "hsl": {
    "h": 225.455,
    "s": 94.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.62633,
    "c": 0.1915,
    "h": 267.3
  },
  "luminance": 0.23501
}

Semantic roles & 50–950 ramp

primary
#557DFA
secondary
#F1E4BA
accent
#AE00E6
background
#FAF9FF
surface
#F3F2FF
border
#CDCCD7
text
#0F0F18
muted
#7F7E86

Preview Lab

Preview with #557DFA

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

Preview Lab → · Contrast checker → · Palette generator →

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