#576BB0#576BB0

#576BB0 is a mid, moderate blue. Relative luminance 0.157; OKLCH L 54.4% C 0.111 H 270.2°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX#576BB0
RGBrgb(87, 107, 176)
HSLhsl(227, 36%, 52%)
HSVhsv(227, 51%, 69%)
CMYKcmyk(50.6%, 39.2%, 0%, 31%)
CIE-LABlab(46.55, 12.24, -39.12)
CIE-LCHlch(46.55, 40.99, 287.38°)
OKLaboklab(54.36% 0.0004 -0.1106)
OKLCHoklch(54.36% 0.111 270.2)
XYZxyz(17.0221, 15.6751, 43.1945)
Luminance0.1568 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#576BB0 #B09C57
analogous
#5798B0 #576BB0 #7057B0
triadic
#576BB0 #B0576B #6BB057
tetradic
#576BB0 #B05798 #B09C57 #57B070
square
#576BB0 #B05798 #B09C57 #57B070
split-complementary
#576BB0 #B07057 #98B057
monochromatic
#2D3860 #415189 #576BB0 #8190C4 #AAB4D7

Accessibility & contrast

On white

5.08
#576BB0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.14
#576BB0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576BB0
5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##576BB0#FFFFFF#000000##FFFFFF
##576BB01.005.084.145.08
#FFFFFF5.081.0021.001.00
#0000004.1421.001.0021.00
##FFFFFF5.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5072B3
Deuteranopia (green-blind)
#476BAE
Tritanopia (blue-blind)
#317A85
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #576bb0;
/* rgb */ color: rgb(87, 107, 176);
/* oklch */ color: oklch(54.4% 0.111 270.2);
Tailwind
colors: {
  custom: {
    50: '#8c95c8',
    500: '#576bb0',
    950: '#000000',
  },
}
SCSS
$custom: #576bb0;
$custom-light: #8c95c8;
$custom-dark: #000000;
JSON
{
  "hex": "#576bb0",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 176
  },
  "hsl": {
    "h": 226.517,
    "s": 36.032,
    "l": 51.569
  },
  "oklch": {
    "l": 0.54356,
    "c": 0.1106,
    "h": 270.2
  },
  "luminance": 0.15676
}

Semantic roles & 50–950 ramp

primary
#576BB0
secondary
#C5BC9E
accent
#B35CCC
background
#F8F9FC
surface
#F0F1F8
border
#CBCBD1
text
#0C0D13
muted
#7D7E82

Preview Lab

Preview with #576BB0

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

Preview Lab → · Contrast checker → · Palette generator →

#576BB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva