#57579A#57579A

#57579A is a mid, moderate blue. Relative luminance 0.112; OKLCH L 48.9% C 0.106 H 281.8°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#57579A
RGB	rgb(87, 87, 154)
HSL	hsl(240, 28%, 47%)
HSV	hsv(240, 44%, 60%)
CMYK	cmyk(43.5%, 43.5%, 0%, 39.6%)
CIE-LAB	lab(39.87, 17.90, -36.68)
CIE-LCH	lch(39.87, 40.81, 296.01°)
OKLab	oklab(48.86% 0.0216 -0.1036)
OKLCH	oklch(48.86% 0.106 281.8)
XYZ	xyz(13.1697, 11.1752, 32.0287)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57579A #9A9A57

analogous

#57799A #57579A #79579A

triadic

#57579A #9A5757 #579A57

tetradic

#57579A #9A5779 #9A9A57 #579A79

square

#57579A #9A5779 #9A9A57 #579A79

split-complementary

#57579A #9A7957 #799A57

monochromatic

#2B2B4C #414173 #57579A #7A7AB4 #A1A1CA

Accessibility & contrast

On white

6.49

#57579A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#57579A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57579A

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57579A	#FFFFFF	#000000	##FFFFFF
##57579A	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E609D

Deuteranopia (green-blind)

#3B5C98

Tritanopia (blue-blind)

#426571

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #57579a;
/* rgb */ color: rgb(87, 87, 154);
/* oklch */ color: oklch(48.9% 0.106 281.8);

Tailwind

colors: {
  custom: {
    50: '#8a86b8',
    500: '#57579a',
    950: '#000000',
  },
}

SCSS

$custom: #57579a;
$custom-light: #8a86b8;
$custom-dark: #000000;

JSON

{
  "hex": "#57579a",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 154
  },
  "hsl": {
    "h": 240,
    "s": 27.801,
    "l": 47.255
  },
  "oklch": {
    "l": 0.4886,
    "c": 0.1058,
    "h": 281.8
  },
  "luminance": 0.11176
}

Semantic roles & 50–950 ramp

primary

#57579A

secondary

#B8B895

accent

#C464C4

background

#F8F8FB

surface

#F0EFF6

border

#CBCAD0

text

#0C0B11

muted

#7D7C80

Preview Lab

Preview with #57579A

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

Preview Lab → · Contrast checker → · Palette generator →