#5B8DEB#5B8DEB

#5B8DEB is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.2% C 0.151 H 261.9°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B8DEB
RGB	rgb(91, 141, 235)
HSL	hsl(219, 78%, 64%)
HSV	hsv(219, 61%, 92%)
CMYK	cmyk(61.3%, 40%, 0%, 7.8%)
CIE-LAB	lab(59.22, 11.71, -52.51)
CIE-LCH	lch(59.22, 53.80, 282.57°)
OKLab	oklab(65.22% -0.0212 -0.1494)
OKLCH	oklch(65.22% 0.151 261.9)
XYZ	xyz(28.8294, 27.2695, 82.3254)
Luminance	0.2727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8DEB #EBB95B

analogous

#5BD5EB #5B8DEB #715BEB

triadic

#5B8DEB #EB5B8D #8DEB5B

tetradic

#5B8DEB #EB5BD5 #EBB95B #5BEB71

square

#5B8DEB #EB5BD5 #EBB95B #5BEB71

split-complementary

#5B8DEB #EB715B #D5EB5B

monochromatic

#164DB5 #2467E4 #5B8DEB #92B3F2 #C8D9F8

Accessibility & contrast

On white

3.25

#5B8DEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#5B8DEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8DEB

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8DEB	#FFFFFF	#000000	##000000
##5B8DEB	1.00	3.25	6.45	6.45
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6396EF

Deuteranopia (green-blind)

#4F88E9

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8deb;
/* rgb */ color: rgb(91, 141, 235);
/* oklch */ color: oklch(65.2% 0.151 261.9);

Tailwind

colors: {
  custom: {
    50: '#95adf2',
    500: '#5b8deb',
    950: '#000000',
  },
}

SCSS

$custom: #5b8deb;
$custom-light: #95adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8deb",
  "rgb": {
    "r": 91,
    "g": 141,
    "b": 235
  },
  "hsl": {
    "h": 219.167,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65218,
    "c": 0.15087,
    "h": 261.9
  },
  "luminance": 0.27272
}

Semantic roles & 50–950 ramp

primary

#5B8DEB

secondary

#EAD9B8

accent

#920BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8DEB

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

Preview Lab → · Contrast checker → · Palette generator →