#577EFA#577EFA

#577EFA is a light, vivid blue. Relative luminance 0.238; OKLCH L 62.9% C 0.190 H 267.6°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX#577EFA
RGBrgb(87, 126, 250)
HSLhsl(226, 94%, 66%)
HSVhsv(226, 65%, 98%)
CMYKcmyk(65.2%, 49.6%, 0%, 2%)
CIE-LABlab(55.93, 25.15, -66.09)
CIE-LCHlch(55.93, 70.71, 290.83°)
OKLaboklab(62.93% -0.0081 -0.1895)
OKLCHoklch(62.93% 0.19 267.6)
XYZxyz(28.6407, 23.8474, 93.5176)
Luminance0.2385 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577EFA #FAD357
analogous
#57D0FA #577EFA #8157FA
triadic
#577EFA #FA577E #7EFA57
tetradic
#577EFA #FA57D0 #FAD357 #57FA81
square
#577EFA #FA57D0 #FAD357 #57FA81
split-complementary
#577EFA #FA8157 #D0FA57
monochromatic
#0637D0 #1C50F8 #577EFA #92ACFC #CED9FE

Accessibility & contrast

On white

3.64
#577EFA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.77
#577EFA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EFA
5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577EFA#FFFFFF#000000##000000
##577EFA1.003.645.775.77
#FFFFFF3.641.0021.0021.00
#0000005.7721.001.001.00
##0000005.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#378EFE
Deuteranopia (green-blind)
#007FF7
Tritanopia (blue-blind)
#009BB0
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #577efa;
/* rgb */ color: rgb(87, 126, 250);
/* oklch */ color: oklch(62.9% 0.190 267.6);
Tailwind
colors: {
  custom: {
    50: '#96a2fd',
    500: '#577efa',
    950: '#000000',
  },
}
SCSS
$custom: #577efa;
$custom-light: #96a2fd;
$custom-dark: #000000;
JSON
{
  "hex": "#577efa",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 250
  },
  "hsl": {
    "h": 225.644,
    "s": 94.22,
    "l": 66.078
  },
  "oklch": {
    "l": 0.62927,
    "c": 0.18972,
    "h": 267.6
  },
  "luminance": 0.2385
}

Semantic roles & 50–950 ramp

primary
#577EFA
secondary
#F1E4BC
accent
#AF00E6
background
#FAF9FF
surface
#F3F2FF
border
#CDCCD7
text
#0F0F18
muted
#7F7E86

Preview Lab

Preview with #577EFA

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

Preview Lab → · Contrast checker → · Palette generator →

#577EFA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva