#576BC4#576BC4

#576BC4 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.6% C 0.139 H 271.7°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#576BC4
RGB	rgb(87, 107, 196)
HSL	hsl(229, 48%, 55%)
HSV	hsv(229, 56%, 77%)
CMYK	cmyk(55.6%, 45.4%, 0%, 23.1%)
CIE-LAB	lab(47.66, 18.73, -48.94)
CIE-LCH	lch(47.66, 52.40, 290.94°)
OKLab	oklab(55.57% 0.004 -0.1394)
OKLCH	oklch(55.57% 0.139 271.7)
XYZ	xyz(19.1487, 16.5258, 54.3946)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576BC4 #C4B057

analogous

#57A1C4 #576BC4 #7957C4

triadic

#576BC4 #C4576B #6BC457

tetradic

#576BC4 #C457A1 #C4B057 #57C479

square

#576BC4 #C457A1 #C4B057 #57C479

split-complementary

#576BC4 #C47957 #A1C457

monochromatic

#2A3877 #3A4DA4 #576BC4 #8493D4 #B2BBE4

Accessibility & contrast

On white

4.88

#576BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#576BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #576BC4

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576BC4	#FFFFFF	#000000	##FFFFFF
##576BC4	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4376C7

Deuteranopia (green-blind)

#356DC2

Tritanopia (blue-blind)

#197F8E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #576bc4;
/* rgb */ color: rgb(87, 107, 196);
/* oklch */ color: oklch(55.6% 0.139 271.7);

Tailwind

colors: {
  custom: {
    50: '#8e95d6',
    500: '#576bc4',
    950: '#000000',
  },
}

SCSS

$custom: #576bc4;
$custom-light: #8e95d6;
$custom-dark: #000000;

JSON

{
  "hex": "#576bc4",
  "rgb": {
    "r": 87,
    "g": 107,
    "b": 196
  },
  "hsl": {
    "h": 228.991,
    "s": 48.018,
    "l": 55.49
  },
  "oklch": {
    "l": 0.55569,
    "c": 0.13943,
    "h": 271.7
  },
  "luminance": 0.16527
}

Semantic roles & 50–950 ramp

primary

#576BC4

secondary

#D2CAA5

accent

#BF50D8

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #576BC4

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

Preview Lab → · Contrast checker → · Palette generator →