#57579C#57579C

#57579C is a mid, moderate blue. Relative luminance 0.112; OKLCH L 49.0% C 0.109 H 281.6°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#57579C
RGB	rgb(87, 87, 156)
HSL	hsl(240, 28%, 48%)
HSV	hsv(240, 44%, 61%)
CMYK	cmyk(44.2%, 44.2%, 0%, 38.8%)
CIE-LAB	lab(39.99, 18.51, -37.70)
CIE-LCH	lch(39.99, 42.00, 296.15°)
OKLab	oklab(48.98% 0.0219 -0.1066)
OKLCH	oklch(48.98% 0.109 281.6)
XYZ	xyz(13.3377, 11.2423, 32.9133)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57579C #9C9C57

analogous

#57799C #57579C #79579C

triadic

#57579C #9C5757 #579C57

tetradic

#57579C #9C5779 #9C9C57 #579C79

square

#57579C #9C5779 #9C9C57 #579C79

split-complementary

#57579C #9C7957 #799C57

monochromatic

#2B2B4D #414175 #57579C #7B7BB5 #A2A2CB

Accessibility & contrast

On white

6.46

#57579C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#57579C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57579C

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57579C	#FFFFFF	#000000	##FFFFFF
##57579C	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D619F

Deuteranopia (green-blind)

#395C9A

Tritanopia (blue-blind)

#416572

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #57579c;
/* rgb */ color: rgb(87, 87, 156);
/* oklch */ color: oklch(49.0% 0.109 281.6);

Tailwind

colors: {
  custom: {
    50: '#8a86b9',
    500: '#57579c',
    950: '#000000',
  },
}

SCSS

$custom: #57579c;
$custom-light: #8a86b9;
$custom-dark: #000000;

JSON

{
  "hex": "#57579c",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 156
  },
  "hsl": {
    "h": 240,
    "s": 28.395,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48981,
    "c": 0.1088,
    "h": 281.6
  },
  "luminance": 0.11243
}

Semantic roles & 50–950 ramp

primary

#57579C

secondary

#B9B996

accent

#C563C5

background

#F8F8FB

surface

#F0EFF6

border

#CBCAD0

text

#0C0B11

muted

#7D7C80

Preview Lab

Preview with #57579C

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

Preview Lab → · Contrast checker → · Palette generator →