#5A57BF#5A57BF

#5A57BF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.159 H 280.6°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#5A57BF
RGB	rgb(90, 87, 191)
HSL	hsl(242, 45%, 55%)
HSV	hsv(242, 54%, 75%)
CMYK	cmyk(52.9%, 54.5%, 0%, 25.1%)
CIE-LAB	lab(42.38, 30.20, -54.50)
CIE-LCH	lch(42.38, 62.31, 298.99°)
OKLab	oklab(51.54% 0.0291 -0.1558)
OKLCH	oklch(51.54% 0.159 280.6)
XYZ	xyz(17.0257, 12.7506, 50.8441)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A57BF #BCBF57

analogous

#5788BF #5A57BF #8E57BF

triadic

#5A57BF #BF5A57 #57BF5A

tetradic

#5A57BF #BF5788 #BCBF57 #57BF8E

square

#5A57BF #BF5788 #BCBF57 #57BF8E

split-complementary

#5A57BF #BF8E57 #88BF57

monochromatic

#2D2B71 #3F3C9D #5A57BF #8683D0 #B1B0E1

Accessibility & contrast

On white

5.91

#5A57BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#5A57BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A57BF

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A57BF	#FFFFFF	#000000	##FFFFFF
##5A57BF	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1868C3

Deuteranopia (green-blind)

#0360BD

Tritanopia (blue-blind)

#2F6F82

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5a57bf;
/* rgb */ color: rgb(90, 87, 191);
/* oklch */ color: oklch(51.5% 0.159 280.6);

Tailwind

colors: {
  custom: {
    50: '#9086d3',
    500: '#5a57bf',
    950: '#000000',
  },
}

SCSS

$custom: #5a57bf;
$custom-light: #9086d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5a57bf",
  "rgb": {
    "r": 90,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 241.731,
    "s": 44.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51543,
    "c": 0.1585,
    "h": 280.6
  },
  "luminance": 0.12752
}

Semantic roles & 50–950 ramp

primary

#5A57BF

secondary

#CECFA3

accent

#D553D1

background

#F9F8FD

surface

#F2EFFA

border

#CCCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5A57BF

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

Preview Lab → · Contrast checker → · Palette generator →