#576BB7#576BB7

#576BB7 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.8% C 0.121 H 270.9°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#576BB7
RGB	rgb(87, 107, 183)
HSL	hsl(228, 40%, 53%)
HSV	hsv(228, 52%, 72%)
CMYK	cmyk(52.5%, 41.5%, 0%, 28.2%)
CIE-LAB	lab(46.92, 14.49, -42.60)
CIE-LCH	lch(46.92, 45.00, 288.79°)
OKLab	oklab(54.77% 0.0018 -0.1208)
OKLCH	oklch(54.77% 0.121 270.9)
XYZ	xyz(17.7326, 15.9593, 46.9366)
Luminance	0.1596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BB7 #B7A357

analogous

#579BB7 #576BB7 #7357B7

triadic

#576BB7 #B7576B #6BB757

tetradic

#576BB7 #B7579B #B7A357 #57B773

square

#576BB7 #B7579B #B7A357 #57B773

split-complementary

#576BB7 #B77357 #9BB757

monochromatic

#2C3967 #3F5092 #576BB7 #8291C9 #ADB6DC

Accessibility & contrast

On white

5.01

#576BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#576BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576BB7

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BB7	#FFFFFF	#000000	##FFFFFF
##576BB7	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C74BA

Deuteranopia (green-blind)

#416BB5

Tritanopia (blue-blind)

#2B7B88

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #576bb7;
/* rgb */ color: rgb(87, 107, 183);
/* oklch */ color: oklch(54.8% 0.121 270.9);

Tailwind

colors: {
  custom: {
    50: '#8d95cd',
    500: '#576bb7',
    950: '#000000',
  },
}

SCSS

$custom: #576bb7;
$custom-light: #8d95cd;
$custom-dark: #000000;

JSON

{
  "hex": "#576bb7",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 183
  },
  "hsl": {
    "h": 227.5,
    "s": 40,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54767,
    "c": 0.12078,
    "h": 270.9
  },
  "luminance": 0.15961
}

Semantic roles & 50–950 ramp

primary

#576BB7

secondary

#CAC1A0

accent

#B758D0

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0D0D13

muted

#7D7E82

Preview Lab

Preview with #576BB7

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

Preview Lab → · Contrast checker → · Palette generator →