#576EB7#576EB7

#576EB7 is a mid, moderate blue. Relative luminance 0.166; OKLCH L 55.4% C 0.117 H 269.1°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#576EB7
RGBrgb(87, 110, 183)
HSLhsl(226, 40%, 53%)
HSVhsv(226, 52%, 72%)
CMYKcmyk(52.5%, 39.9%, 0%, 28.2%)
CIE-LABlab(47.75, 12.63, -41.29)
CIE-LCHlch(47.75, 43.18, 287.01°)
OKLaboklab(55.4% -0.0017 -0.1169)
OKLCHoklch(55.4% 0.117 269.1)
XYZxyz(18.0509, 16.5958, 47.0427)
Luminance0.1660 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#576EB7 #B7A057
analogous
#579EB7 #576EB7 #7057B7
triadic
#576EB7 #B7576E #6EB757
tetradic
#576EB7 #B7579E #B7A057 #57B770
square
#576EB7 #B7579E #B7A057 #57B770
split-complementary
#576EB7 #B77057 #9EB757
monochromatic
#2C3A67 #3F5392 #576EB7 #8293C9 #ADB8DC

Accessibility & contrast

On white

4.86
#576EB7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.32
#576EB7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576EB7
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##576EB7#FFFFFF#000000##FFFFFF
##576EB71.004.864.324.86
#FFFFFF4.861.0021.001.00
#0000004.3221.001.0021.00
##FFFFFF4.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5176BA
Deuteranopia (green-blind)
#466DB5
Tritanopia (blue-blind)
#2A7E8A
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #576eb7;
/* rgb */ color: rgb(87, 110, 183);
/* oklch */ color: oklch(55.4% 0.117 269.1);
Tailwind
colors: {
  custom: {
    50: '#8d97cd',
    500: '#576eb7',
    950: '#000000',
  },
}
SCSS
$custom: #576eb7;
$custom-light: #8d97cd;
$custom-dark: #000000;
JSON
{
  "hex": "#576eb7",
  "rgb": {
    "r": 87,
    "g": 110,
    "b": 183
  },
  "hsl": {
    "h": 225.625,
    "s": 40,
    "l": 52.941
  },
  "oklch": {
    "l": 0.55402,
    "c": 0.11693,
    "h": 269.1
  },
  "luminance": 0.16597
}

Semantic roles & 50–950 ramp

primary
#576EB7
secondary
#CAC0A0
accent
#B358D0
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0D0D13
muted
#7D7E82

Preview Lab

Preview with #576EB7

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

Preview Lab → · Contrast checker → · Palette generator →

#576EB7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva