#57519E#57519E

#57519E is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.121 H 284.4°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#57519E
RGB	rgb(87, 81, 158)
HSL	hsl(245, 32%, 47%)
HSV	hsv(245, 49%, 62%)
CMYK	cmyk(44.9%, 48.7%, 0%, 38%)
CIE-LAB	lab(38.51, 22.92, -41.24)
CIE-LCH	lch(38.51, 47.18, 299.07°)
OKLab	oklab(47.91% 0.03 -0.117)
OKLCH	oklch(47.91% 0.121 284.4)
XYZ	xyz(13.0427, 10.3792, 33.6573)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57519E #989E51

analogous

#51729E #57519E #7E519E

triadic

#57519E #9E5751 #519E57

tetradic

#57519E #9E5172 #989E51 #519E7E

square

#57519E #9E5172 #989E51 #519E7E

split-complementary

#57519E #9E7E51 #729E51

monochromatic

#2A284D #413C76 #57519E #7A74B8 #A09DCD

Accessibility & contrast

On white

6.83

#57519E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#57519E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57519E

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57519E	#FFFFFF	#000000	##FFFFFF
##57519E	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315DA1

Deuteranopia (green-blind)

#2F589C

Tritanopia (blue-blind)

#416170

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #57519e;
/* rgb */ color: rgb(87, 81, 158);
/* oklch */ color: oklch(47.9% 0.121 284.4);

Tailwind

colors: {
  custom: {
    50: '#8b82bb',
    500: '#57519e',
    950: '#000000',
  },
}

SCSS

$custom: #57519e;
$custom-light: #8b82bb;
$custom-dark: #000000;

JSON

{
  "hex": "#57519e",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 158
  },
  "hsl": {
    "h": 244.675,
    "s": 32.218,
    "l": 46.863
  },
  "oklch": {
    "l": 0.47905,
    "c": 0.12076,
    "h": 284.4
  },
  "luminance": 0.1038
}

Semantic roles & 50–950 ramp

primary

#57519E

secondary

#B6BA91

accent

#C85FC0

background

#F8F7FB

surface

#F0EEF6

border

#CBC9D0

text

#0C0A12

muted

#7D7C81

Preview Lab

Preview with #57519E

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

Preview Lab → · Contrast checker → · Palette generator →