#5B73F0#5B73F0

#5B73F0 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 60.3% C 0.189 H 271.5°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#5B73F0
RGB	rgb(91, 115, 240)
HSL	hsl(230, 83%, 65%)
HSV	hsv(230, 62%, 94%)
CMYK	cmyk(62.1%, 52.1%, 0%, 5.9%)
CIE-LAB	lab(52.70, 29.14, -65.74)
CIE-LCH	lch(52.70, 71.91, 293.91°)
OKLab	oklab(60.33% 0.0048 -0.1886)
OKLCH	oklch(60.33% 0.189 271.5)
XYZ	xyz(26.1680, 20.7746, 85.0521)
Luminance	0.2078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73F0 #F0D85B

analogous

#5BBDF0 #5B73F0 #8E5BF0

triadic

#5B73F0 #F05B73 #73F05B

tetradic

#5B73F0 #F05BBD #F0D85B #5BF08E

square

#5B73F0 #F05BBD #F0D85B #5BF08E

split-complementary

#5B73F0 #F08E5B #BDF05B

monochromatic

#112DBF #2343EB #5B73F0 #93A3F5 #CBD3FA

Accessibility & contrast

On white

4.07

#5B73F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#5B73F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73F0

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73F0	#FFFFFF	#000000	##000000
##5B73F0	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2485F4

Deuteranopia (green-blind)

#0077ED

Tritanopia (blue-blind)

#0090A6

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5b73f0;
/* rgb */ color: rgb(91, 115, 240);
/* oklch */ color: oklch(60.3% 0.189 271.5);

Tailwind

colors: {
  custom: {
    50: '#979bf6',
    500: '#5b73f0',
    950: '#000000',
  },
}

SCSS

$custom: #5b73f0;
$custom-light: #979bf6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73f0",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 240
  },
  "hsl": {
    "h": 230.336,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.60332,
    "c": 0.18865,
    "h": 271.5
  },
  "luminance": 0.20777
}

Semantic roles & 50–950 ramp

primary

#5B73F0

secondary

#EDE5BA

accent

#BD06E0

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #5B73F0

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

Preview Lab → · Contrast checker → · Palette generator →