#5B83FE#5B83FE

#5B83FE is a light, vivid blue. Relative luminance 0.256; OKLCH L 64.4% C 0.188 H 267.4°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#5B83FE
RGB	rgb(91, 131, 254)
HSL	hsl(225, 99%, 68%)
HSV	hsv(225, 64%, 100%)
CMYK	cmyk(64.2%, 48.4%, 0%, 0.4%)
CIE-LAB	lab(57.66, 24.10, -65.50)
CIE-LCH	lch(57.66, 69.79, 290.20°)
OKLab	oklab(64.37% -0.0085 -0.1877)
OKLCH	oklch(64.37% 0.188 267.4)
XYZ	xyz(30.3139, 25.6097, 97.0924)
Luminance	0.2561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B83FE #FED65B

analogous

#5BD5FE #5B83FE #845BFE

triadic

#5B83FE #FE5B83 #83FE5B

tetradic

#5B83FE #FE5BD5 #FED65B #5BFE84

square

#5B83FE #FE5BD5 #FED65B #5BFE84

split-complementary

#5B83FE #FE845B #D5FE5B

monochromatic

#0137DD #1E55FE #5B83FE #98B1FE #D5DFFF

Accessibility & contrast

On white

3.43

#5B83FE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#5B83FE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B83FE

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B83FE	#FFFFFF	#000000	##000000
##5B83FE	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4092FF

Deuteranopia (green-blind)

#1684FB

Tritanopia (blue-blind)

#00A0B4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5b83fe;
/* rgb */ color: rgb(91, 131, 254);
/* oklch */ color: oklch(64.4% 0.188 267.4);

Tailwind

colors: {
  custom: {
    50: '#98a6ff',
    500: '#5b83fe',
    950: '#000000',
  },
}

SCSS

$custom: #5b83fe;
$custom-light: #98a6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5b83fe",
  "rgb": {
    "r": 91,
    "g": 131,
    "b": 254
  },
  "hsl": {
    "h": 225.276,
    "s": 98.788,
    "l": 67.647
  },
  "oklch": {
    "l": 0.64374,
    "c": 0.18785,
    "h": 267.4
  },
  "luminance": 0.25613
}

Semantic roles & 50–950 ramp

primary

#5B83FE

secondary

#F4E7C1

accent

#AD00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #5B83FE

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

Preview Lab → · Contrast checker → · Palette generator →