#5B5ACE#5B5ACE

#5B5ACE is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.3% C 0.175 H 279.0°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#5B5ACE
RGB	rgb(91, 90, 206)
HSL	hsl(241, 54%, 58%)
HSV	hsv(241, 56%, 81%)
CMYK	cmyk(55.8%, 56.3%, 0%, 19.2%)
CIE-LAB	lab(44.22, 33.33, -60.21)
CIE-LCH	lch(44.22, 68.82, 298.97°)
OKLab	oklab(53.26% 0.0275 -0.1726)
OKLCH	oklch(53.26% 0.175 279)
XYZ	xyz(19.1076, 13.9914, 60.0743)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5ACE #CDCE5A

analogous

#5A93CE #5B5ACE #955ACE

triadic

#5B5ACE #CE5B5A #5ACE5B

tetradic

#5B5ACE #CE5A93 #CDCE5A #5ACE95

square

#5B5ACE #CE5A93 #CDCE5A #5ACE95

split-complementary

#5B5ACE #CE955A #93CE5A

monochromatic

#292886 #3736B5 #5B5ACE #8A89DC #B9B8EA

Accessibility & contrast

On white

5.53

#5B5ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#5B5ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5ACE

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5ACE	#FFFFFF	#000000	##FFFFFF
##5B5ACE	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD2

Deuteranopia (green-blind)

#0064CC

Tritanopia (blue-blind)

#1E758B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5b5ace;
/* rgb */ color: rgb(91, 90, 206);
/* oklch */ color: oklch(53.3% 0.175 279.0);

Tailwind

colors: {
  custom: {
    50: '#9388de',
    500: '#5b5ace',
    950: '#000000',
  },
}

SCSS

$custom: #5b5ace;
$custom-light: #9388de;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5ace",
  "rgb": {
    "r": 91,
    "g": 90,
    "b": 206
  },
  "hsl": {
    "h": 240.517,
    "s": 54.206,
    "l": 58.039
  },
  "oklch": {
    "l": 0.53255,
    "c": 0.17473,
    "h": 279
  },
  "luminance": 0.13993
}

Semantic roles & 50–950 ramp

primary

#5B5ACE

secondary

#D9D9AB

accent

#DE4ADC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B5ACE

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

Preview Lab → · Contrast checker → · Palette generator →