#5B6CF3#5B6CF3

#5B6CF3 is a mid, highly saturated blue. Relative luminance 0.194; OKLCH L 59.3% C 0.201 H 273.2°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#5B6CF3
RGB	rgb(91, 108, 243)
HSL	hsl(233, 86%, 65%)
HSV	hsv(233, 63%, 95%)
CMYK	cmyk(62.6%, 55.6%, 0%, 4.7%)
CIE-LAB	lab(51.17, 34.41, -69.89)
CIE-LCH	lch(51.17, 77.90, 296.21°)
OKLab	oklab(59.25% 0.0112 -0.2009)
OKLCH	oklch(59.25% 0.201 273.2)
XYZ	xyz(25.8492, 19.4181, 87.1625)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6CF3 #F3E25B

analogous

#5BB8F3 #5B6CF3 #965BF3

triadic

#5B6CF3 #F35B6C #6CF35B

tetradic

#5B6CF3 #F35BB8 #F3E25B #5BF396

square

#5B6CF3 #F35BB8 #F3E25B #5BF396

split-complementary

#5B6CF3 #F3965B #B8F35B

monochromatic

#0E23C5 #2239EF #5B6CF3 #949FF7 #CDD2FB

Accessibility & contrast

On white

4.30

#5B6CF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#5B6CF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6CF3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6CF3	#FFFFFF	#000000	##000000
##5B6CF3	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0081F8

Deuteranopia (green-blind)

#0073F0

Tritanopia (blue-blind)

#008CA5

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5b6cf3;
/* rgb */ color: rgb(91, 108, 243);
/* oklch */ color: oklch(59.3% 0.201 273.2);

Tailwind

colors: {
  custom: {
    50: '#9896f8',
    500: '#5b6cf3',
    950: '#000000',
  },
}

SCSS

$custom: #5b6cf3;
$custom-light: #9896f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6cf3",
  "rgb": {
    "r": 91,
    "g": 108,
    "b": 243
  },
  "hsl": {
    "h": 233.289,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.5925,
    "c": 0.20118,
    "h": 273.2
  },
  "luminance": 0.1942
}

Semantic roles & 50–950 ramp

primary

#5B6CF3

secondary

#EEE9BB

accent

#CA03E3

background

#FAF9FF

surface

#F3F1FF

border

#CDCBD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #5B6CF3

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

Preview Lab → · Contrast checker → · Palette generator →