#5B83EB#5B83EB

#5B83EB is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.2% C 0.162 H 266.1°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5B83EB
RGB	rgb(91, 131, 235)
HSL	hsl(223, 78%, 64%)
HSV	hsv(223, 61%, 92%)
CMYK	cmyk(61.3%, 44.3%, 0%, 7.8%)
CIE-LAB	lab(56.54, 17.72, -56.79)
CIE-LCH	lch(56.54, 59.49, 287.33°)
OKLab	oklab(63.15% -0.0111 -0.1621)
OKLCH	oklch(63.15% 0.162 266.1)
XYZ	xyz(27.4209, 24.4525, 81.8559)
Luminance	0.2445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B83EB #EBC35B

analogous

#5BCBEB #5B83EB #7B5BEB

triadic

#5B83EB #EB5B83 #83EB5B

tetradic

#5B83EB #EB5BCB #EBC35B #5BEB7B

square

#5B83EB #EB5BCB #EBC35B #5BEB7B

split-complementary

#5B83EB #EB7B5B #CBEB5B

monochromatic

#1642B5 #245AE4 #5B83EB #92ACF2 #C8D5F8

Accessibility & contrast

On white

3.56

#5B83EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#5B83EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B83EB

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B83EB	#FFFFFF	#000000	##000000
##5B83EB	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528FEF

Deuteranopia (green-blind)

#3B81E9

Tritanopia (blue-blind)

#009BAB

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5b83eb;
/* rgb */ color: rgb(91, 131, 235);
/* oklch */ color: oklch(63.2% 0.162 266.1);

Tailwind

colors: {
  custom: {
    50: '#95a6f2',
    500: '#5b83eb',
    950: '#000000',
  },
}

SCSS

$custom: #5b83eb;
$custom-light: #95a6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b83eb",
  "rgb": {
    "r": 91,
    "g": 131,
    "b": 235
  },
  "hsl": {
    "h": 223.333,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.63151,
    "c": 0.16245,
    "h": 266.1
  },
  "luminance": 0.24455
}

Semantic roles & 50–950 ramp

primary

#5B83EB

secondary

#EADCB8

accent

#A10BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5B83EB

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

Preview Lab → · Contrast checker → · Palette generator →