#5B73CD#5B73CD

#5B73CD is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.0% C 0.141 H 270.3°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#5B73CD
RGB	rgb(91, 115, 205)
HSL	hsl(227, 53%, 58%)
HSV	hsv(227, 56%, 80%)
CMYK	cmyk(55.6%, 43.9%, 0%, 19.6%)
CIE-LAB	lab(50.56, 17.57, -49.45)
CIE-LCH	lch(50.56, 52.48, 289.56°)
OKLab	oklab(58.02% 0.0007 -0.1407)
OKLCH	oklch(58.02% 0.141 270.3)
XYZ	xyz(21.4609, 18.8918, 60.2613)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73CD #CDB55B

analogous

#5BACCD #5B73CD #7C5BCD

triadic

#5B73CD #CD5B73 #73CD5B

tetradic

#5B73CD #CD5BAC #CDB55B #5BCD7C

square

#5B73CD #CD5BAC #CDB55B #5BCD7C

split-complementary

#5B73CD #CD7C5B #ACCD5B

monochromatic

#293C85 #3751B4 #5B73CD #8A9BDB #B9C3EA

Accessibility & contrast

On white

4.39

#5B73CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#5B73CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73CD

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73CD	#FFFFFF	#000000	##000000
##5B73CD	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7ED0

Deuteranopia (green-blind)

#3D74CB

Tritanopia (blue-blind)

#188796

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b73cd;
/* rgb */ color: rgb(91, 115, 205);
/* oklch */ color: oklch(58.0% 0.141 270.3);

Tailwind

colors: {
  custom: {
    50: '#929add',
    500: '#5b73cd',
    950: '#000000',
  },
}

SCSS

$custom: #5b73cd;
$custom-light: #929add;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73cd",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 205
  },
  "hsl": {
    "h": 227.368,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.58019,
    "c": 0.14069,
    "h": 270.3
  },
  "luminance": 0.18893
}

Semantic roles & 50–950 ramp

primary

#5B73CD

secondary

#D9CFAB

accent

#BE4BDD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #5B73CD

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

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