#5B8BF6#5B8BF6

#5B8BF6 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.5% C 0.168 H 264.1°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#5B8BF6
RGB	rgb(91, 139, 246)
HSL	hsl(221, 90%, 66%)
HSV	hsv(221, 63%, 96%)
CMYK	cmyk(63%, 43.5%, 0%, 3.5%)
CIE-LAB	lab(59.29, 16.58, -58.48)
CIE-LCH	lch(59.29, 60.79, 285.83°)
OKLab	oklab(65.46% -0.0172 -0.1669)
OKLCH	oklch(65.46% 0.168 264.1)
XYZ	xyz(30.1758, 27.3404, 90.8579)
Luminance	0.2734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8BF6 #F6C65B

analogous

#5BD9F6 #5B8BF6 #785BF6

triadic

#5B8BF6 #F65B8B #8BF65B

tetradic

#5B8BF6 #F65BD9 #F6C65B #5BF678

square

#5B8BF6 #F65BD9 #F6C65B #5BF678

split-complementary

#5B8BF6 #F6785B #D9F65B

monochromatic

#0B47CB #2162F3 #5B8BF6 #95B4F9 #CFDDFC

Accessibility & contrast

On white

3.25

#5B8BF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#5B8BF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8BF6

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8BF6	#FFFFFF	#000000	##000000
##5B8BF6	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5996FA

Deuteranopia (green-blind)

#4088F4

Tritanopia (blue-blind)

#00A3B4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8bf6;
/* rgb */ color: rgb(91, 139, 246);
/* oklch */ color: oklch(65.5% 0.168 264.1);

Tailwind

colors: {
  custom: {
    50: '#97acfa',
    500: '#5b8bf6',
    950: '#000000',
  },
}

SCSS

$custom: #5b8bf6;
$custom-light: #97acfa;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8bf6",
  "rgb": {
    "r": 91,
    "g": 139,
    "b": 246
  },
  "hsl": {
    "h": 221.419,
    "s": 89.595,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65464,
    "c": 0.16782,
    "h": 264.1
  },
  "luminance": 0.27343
}

Semantic roles & 50–950 ramp

primary

#5B8BF6

secondary

#F0E0BD

accent

#9E00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #5B8BF6

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

Preview Lab → · Contrast checker → · Palette generator →