#5B73EF#5B73EF

#5B73EF is a mid, vivid blue. Relative luminance 0.207; OKLCH L 60.3% C 0.187 H 271.4°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#5B73EF
RGB	rgb(91, 115, 239)
HSL	hsl(230, 82%, 65%)
HSV	hsv(230, 62%, 94%)
CMYK	cmyk(61.9%, 51.9%, 0%, 6.3%)
CIE-LAB	lab(52.64, 28.81, -65.29)
CIE-LCH	lch(52.64, 71.36, 293.81°)
OKLab	oklab(60.26% 0.0047 -0.1873)
OKLCH	oklch(60.26% 0.187 271.4)
XYZ	xyz(26.0199, 20.7154, 84.2719)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73EF #EFD75B

analogous

#5BBDEF #5B73EF #8D5BEF

triadic

#5B73EF #EF5B73 #73EF5B

tetradic

#5B73EF #EF5BBD #EFD75B #5BEF8D

square

#5B73EF #EF5BBD #EFD75B #5BEF8D

split-complementary

#5B73EF #EF8D5B #BDEF5B

monochromatic

#122EBD #2343EA #5B73EF #93A3F4 #CBD2FA

Accessibility & contrast

On white

4.08

#5B73EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#5B73EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73EF

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73EF	#FFFFFF	#000000	##000000
##5B73EF	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2684F3

Deuteranopia (green-blind)

#0077EC

Tritanopia (blue-blind)

#0090A6

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5b73ef;
/* rgb */ color: rgb(91, 115, 239);
/* oklch */ color: oklch(60.3% 0.187 271.4);

Tailwind

colors: {
  custom: {
    50: '#979bf5',
    500: '#5b73ef',
    950: '#000000',
  },
}

SCSS

$custom: #5b73ef;
$custom-light: #979bf5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73ef",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 239
  },
  "hsl": {
    "h": 230.27,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.60262,
    "c": 0.18732,
    "h": 271.4
  },
  "luminance": 0.20718
}

Semantic roles & 50–950 ramp

primary

#5B73EF

secondary

#ECE4BA

accent

#BC07DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #5B73EF

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

Preview Lab → · Contrast checker → · Palette generator →