#576BDB#576BDB

#576BDB is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.1% C 0.171 H 272.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#576BDB
RGBrgb(87, 107, 219)
HSLhsl(231, 65%, 60%)
HSVhsv(231, 60%, 86%)
CMYKcmyk(60.3%, 51.1%, 0%, 14.1%)
CIE-LABlab(49.07, 26.36, -59.80)
CIE-LCHlch(49.07, 65.36, 293.79°)
OKLaboklab(57.1% 0.0067 -0.1713)
OKLCHoklch(57.1% 0.171 272.2)
XYZxyz(21.9701, 17.6543, 69.2540)
Luminance0.1766 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#576BDB #DBC757
analogous
#57ADDB #576BDB #8557DB
triadic
#576BDB #DB576B #6BDB57
tetradic
#576BDB #DB57AD #DBC757 #57DB85
square
#576BDB #DB57AD #DBC757 #57DB85
split-complementary
#576BDB #DB8557 #ADDB57
monochromatic
#203297 #2B43CA #576BDB #8997E6 #BCC4F1

Accessibility & contrast

On white

4.63
#576BDB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.53
#576BDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #576BDB
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##576BDB#FFFFFF#000000##FFFFFF
##576BDB1.004.634.534.63
#FFFFFF4.631.0021.001.00
#0000004.5321.001.0021.00
##FFFFFF4.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B7BDF
Deuteranopia (green-blind)
#006FD9
Tritanopia (blue-blind)
#008599
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #576bdb;
/* rgb */ color: rgb(87, 107, 219);
/* oklch */ color: oklch(57.1% 0.171 272.2);
Tailwind
colors: {
  custom: {
    50: '#9295e7',
    500: '#576bdb',
    950: '#000000',
  },
}
SCSS
$custom: #576bdb;
$custom-light: #9295e7;
$custom-dark: #000000;
JSON
{
  "hex": "#576bdb",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 219
  },
  "hsl": {
    "h": 230.909,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.571,
    "c": 0.17143,
    "h": 272.2
  },
  "luminance": 0.17656
}

Semantic roles & 50–950 ramp

primary
#576BDB
secondary
#E0D9AD
accent
#CE40E8
background
#F9F9FE
surface
#F2F1FC
border
#CCCBD5
text
#0E0D16
muted
#7E7E84

Preview Lab

Preview with #576BDB

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

Preview Lab → · Contrast checker → · Palette generator →

#576BDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva