#5B57DA#5B57DA

#5B57DA is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.6% C 0.194 H 278.9°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#5B57DA
RGB	rgb(91, 87, 218)
HSL	hsl(242, 64%, 60%)
HSV	hsv(242, 60%, 85%)
CMYK	cmyk(58.3%, 60.1%, 0%, 14.5%)
CIE-LAB	lab(44.38, 38.99, -66.83)
CIE-LCH	lch(44.38, 77.37, 300.26°)
OKLab	oklab(53.65% 0.0302 -0.192)
OKLCH	oklch(53.65% 0.194 278.9)
XYZ	xyz(20.3734, 14.1010, 67.9643)
Luminance	0.1410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B57DA #D6DA57

analogous

#5795DA #5B57DA #9D57DA

triadic

#5B57DA #DA5B57 #57DA5B

tetradic

#5B57DA #DA5795 #D6DA57 #57DA9D

square

#5B57DA #DA5795 #D6DA57 #57DA9D

split-complementary

#5B57DA #DA9D57 #95DA57

monochromatic

#252196 #312CC8 #5B57DA #8C89E5 #BDBBF0

Accessibility & contrast

On white

5.50

#5B57DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#5B57DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B57DA

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B57DA	#FFFFFF	#000000	##FFFFFF
##5B57DA	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDE

Deuteranopia (green-blind)

#0064D7

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5b57da;
/* rgb */ color: rgb(91, 87, 218);
/* oklch */ color: oklch(53.6% 0.194 278.9);

Tailwind

colors: {
  custom: {
    50: '#9587e6',
    500: '#5b57da',
    950: '#000000',
  },
}

SCSS

$custom: #5b57da;
$custom-light: #9587e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b57da",
  "rgb": {
    "r": 91,
    "g": 87,
    "b": 218
  },
  "hsl": {
    "h": 241.832,
    "s": 63.902,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53645,
    "c": 0.1944,
    "h": 278.9
  },
  "luminance": 0.14102
}

Semantic roles & 50–950 ramp

primary

#5B57DA

secondary

#DEE0AD

accent

#E741E2

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5B57DA

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

Preview Lab → · Contrast checker → · Palette generator →