#5B73CE#5B73CE

#5B73CE is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.1% C 0.142 H 270.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#5B73CE
RGB	rgb(91, 115, 206)
HSL	hsl(227, 54%, 58%)
HSV	hsv(227, 56%, 81%)
CMYK	cmyk(55.8%, 44.2%, 0%, 19.2%)
CIE-LAB	lab(50.62, 17.90, -49.93)
CIE-LCH	lch(50.62, 53.04, 289.72°)
OKLab	oklab(58.08% 0.0009 -0.1421)
OKLCH	oklch(58.08% 0.142 270.4)
XYZ	xyz(21.5820, 18.9402, 60.8991)
Luminance	0.1894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73CE #CEB65B

analogous

#5BADCE #5B73CE #7C5BCE

triadic

#5B73CE #CE5B73 #73CE5B

tetradic

#5B73CE #CE5BAD #CEB65B #5BCE7C

square

#5B73CE #CE5BAD #CEB65B #5BCE7C

split-complementary

#5B73CE #CE7C5B #ADCE5B

monochromatic

#283C86 #3651B6 #5B73CE #8A9BDC #B9C3EA

Accessibility & contrast

On white

4.39

#5B73CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#5B73CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73CE

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73CE	#FFFFFF	#000000	##000000
##5B73CE	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7ED1

Deuteranopia (green-blind)

#3C74CC

Tritanopia (blue-blind)

#168796

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b73ce;
/* rgb */ color: rgb(91, 115, 206);
/* oklch */ color: oklch(58.1% 0.142 270.4);

Tailwind

colors: {
  custom: {
    50: '#929add',
    500: '#5b73ce',
    950: '#000000',
  },
}

SCSS

$custom: #5b73ce;
$custom-light: #929add;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73ce",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 206
  },
  "hsl": {
    "h": 227.478,
    "s": 53.991,
    "l": 58.235
  },
  "oklch": {
    "l": 0.58081,
    "c": 0.14209,
    "h": 270.4
  },
  "luminance": 0.18942
}

Semantic roles & 50–950 ramp

primary

#5B73CE

secondary

#D9D0AB

accent

#BF4ADD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #5B73CE

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

Preview Lab → · Contrast checker → · Palette generator →