#5B8CF6#5B8CF6

#5B8CF6 is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.7% C 0.167 H 263.8°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#5B8CF6
RGB	rgb(91, 140, 246)
HSL	hsl(221, 90%, 66%)
HSV	hsv(221, 63%, 96%)
CMYK	cmyk(63%, 43.1%, 0%, 3.5%)
CIE-LAB	lab(59.55, 15.98, -58.06)
CIE-LCH	lch(59.55, 60.22, 285.39°)
OKLab	oklab(65.67% -0.0181 -0.1657)
OKLCH	oklch(65.67% 0.167 263.8)
XYZ	xyz(30.3212, 27.6313, 90.9064)
Luminance	0.2763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8CF6 #F6C55B

analogous

#5BD9F6 #5B8CF6 #775BF6

triadic

#5B8CF6 #F65B8C #8CF65B

tetradic

#5B8CF6 #F65BD9 #F6C55B #5BF677

square

#5B8CF6 #F65BD9 #F6C55B #5BF677

split-complementary

#5B8CF6 #F6775B #D9F65B

monochromatic

#0B48CB #2163F3 #5B8CF6 #95B5F9 #CFDDFC

Accessibility & contrast

On white

3.22

#5B8CF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#5B8CF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8CF6

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8CF6	#FFFFFF	#000000	##000000
##5B8CF6	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A97FA

Deuteranopia (green-blind)

#4289F4

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8cf6;
/* rgb */ color: rgb(91, 140, 246);
/* oklch */ color: oklch(65.7% 0.167 263.8);

Tailwind

colors: {
  custom: {
    50: '#97adfa',
    500: '#5b8cf6',
    950: '#000000',
  },
}

SCSS

$custom: #5b8cf6;
$custom-light: #97adfa;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8cf6",
  "rgb": {
    "r": 91,
    "g": 140,
    "b": 246
  },
  "hsl": {
    "h": 221.032,
    "s": 89.595,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65669,
    "c": 0.16667,
    "h": 263.8
  },
  "luminance": 0.27634
}

Semantic roles & 50–950 ramp

primary

#5B8CF6

secondary

#F0E0BD

accent

#9D00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #5B8CF6

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

Preview Lab → · Contrast checker → · Palette generator →