#5B8DFF#5B8DFF

#5B8DFF is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.4% C 0.177 H 264.3°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#5B8DFF
RGB	rgb(91, 141, 255)
HSL	hsl(222, 100%, 68%)
HSV	hsv(222, 64%, 100%)
CMYK	cmyk(64.3%, 44.7%, 0%, 0%)
CIE-LAB	lab(60.33, 18.40, -61.77)
CIE-LCH	lch(60.33, 64.45, 286.59°)
OKLab	oklab(66.43% -0.0176 -0.1766)
OKLCH	oklch(66.43% 0.177 264.3)
XYZ	xyz(31.8830, 28.4909, 98.4074)
Luminance	0.2849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8DFF #FFCD5B

analogous

#5BDFFF #5B8DFF #7B5BFF

triadic

#5B8DFF #FF5B8D #8DFF5B

tetradic

#5B8DFF #FF5BDF #FFCD5B #5BFF7B

square

#5B8DFF #FF5BDF #FFCD5B #5BFF7B

split-complementary

#5B8DFF #FF7B5B #DFFF5B

monochromatic

#0044E0 #1E62FF #5B8DFF #98B8FF #D5E2FF

Accessibility & contrast

On white

3.13

#5B8DFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#5B8DFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8DFF

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8DFF	#FFFFFF	#000000	##000000
##5B8DFF	1.00	3.13	6.70	6.70
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5599FF

Deuteranopia (green-blind)

#388AFD

Tritanopia (blue-blind)

#00A7BA

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5b8dff;
/* rgb */ color: rgb(91, 141, 255);
/* oklch */ color: oklch(66.4% 0.177 264.3);

Tailwind

colors: {
  custom: {
    50: '#98adff',
    500: '#5b8dff',
    950: '#000000',
  },
}

SCSS

$custom: #5b8dff;
$custom-light: #98adff;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8dff",
  "rgb": {
    "r": 91,
    "g": 141,
    "b": 255
  },
  "hsl": {
    "h": 221.707,
    "s": 100,
    "l": 67.843
  },
  "oklch": {
    "l": 0.66429,
    "c": 0.17744,
    "h": 264.3
  },
  "luminance": 0.28494
}

Semantic roles & 50–950 ramp

primary

#5B8DFF

secondary

#F4E5C2

accent

#A000E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #5B8DFF

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

Preview Lab → · Contrast checker → · Palette generator →