#5B83F0#5B83F0

#5B83F0 is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.5% C 0.169 H 266.5°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#5B83F0
RGB	rgb(91, 131, 240)
HSL	hsl(224, 83%, 65%)
HSV	hsv(224, 62%, 94%)
CMYK	cmyk(62.1%, 45.4%, 0%, 5.9%)
CIE-LAB	lab(56.83, 19.39, -59.11)
CIE-LCH	lch(56.83, 62.21, 288.16°)
OKLab	oklab(63.47% -0.0104 -0.1689)
OKLCH	oklch(63.47% 0.169 266.5)
XYZ	xyz(28.1535, 24.7455, 85.7139)
Luminance	0.2475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B83F0 #F0C85B

analogous

#5BCDF0 #5B83F0 #7E5BF0

triadic

#5B83F0 #F05B83 #83F05B

tetradic

#5B83F0 #F05BCD #F0C85B #5BF07E

square

#5B83F0 #F05BCD #F0C85B #5BF07E

split-complementary

#5B83F0 #F07E5B #CDF05B

monochromatic

#1140BF #2359EB #5B83F0 #93ADF5 #CBD8FA

Accessibility & contrast

On white

3.53

#5B83F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#5B83F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B83F0

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B83F0	#FFFFFF	#000000	##000000
##5B83F0	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E90F4

Deuteranopia (green-blind)

#3582EE

Tritanopia (blue-blind)

#009CAE

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5b83f0;
/* rgb */ color: rgb(91, 131, 240);
/* oklch */ color: oklch(63.5% 0.169 266.5);

Tailwind

colors: {
  custom: {
    50: '#96a6f5',
    500: '#5b83f0',
    950: '#000000',
  },
}

SCSS

$custom: #5b83f0;
$custom-light: #96a6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b83f0",
  "rgb": {
    "r": 91,
    "g": 131,
    "b": 240
  },
  "hsl": {
    "h": 223.893,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.63465,
    "c": 0.16919,
    "h": 266.5
  },
  "luminance": 0.24748
}

Semantic roles & 50–950 ramp

primary

#5B83F0

secondary

#EDDFBA

accent

#A506E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5B83F0

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

Preview Lab → · Contrast checker → · Palette generator →