#5B8EF5#5B8EF5

#5B8EF5 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.0% C 0.163 H 262.9°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#5B8EF5
RGB	rgb(91, 142, 245)
HSL	hsl(220, 89%, 66%)
HSV	hsv(220, 63%, 96%)
CMYK	cmyk(62.9%, 42%, 0%, 3.9%)
CIE-LAB	lab(60.03, 14.45, -56.74)
CIE-LCH	lch(60.03, 58.55, 284.28°)
OKLab	oklab(66.02% -0.0202 -0.1618)
OKLCH	oklch(66.02% 0.163 262.9)
XYZ	xyz(30.4631, 28.1599, 90.1985)
Luminance	0.2816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8EF5 #F5C25B

analogous

#5BDBF5 #5B8EF5 #755BF5

triadic

#5B8EF5 #F55B8E #8EF55B

tetradic

#5B8EF5 #F55BDB #F5C25B #5BF575

square

#5B8EF5 #F55BDB #F5C25B #5BF575

split-complementary

#5B8EF5 #F5755B #DBF55B

monochromatic

#0C4BC9 #2166F1 #5B8EF5 #95B6F9 #CEDDFC

Accessibility & contrast

On white

3.17

#5B8EF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#5B8EF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8EF5

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8EF5	#FFFFFF	#000000	##000000
##5B8EF5	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F98F9

Deuteranopia (green-blind)

#478AF3

Tritanopia (blue-blind)

#00A5B6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5b8ef5;
/* rgb */ color: rgb(91, 142, 245);
/* oklch */ color: oklch(66.0% 0.163 262.9);

Tailwind

colors: {
  custom: {
    50: '#97aef9',
    500: '#5b8ef5',
    950: '#000000',
  },
}

SCSS

$custom: #5b8ef5;
$custom-light: #97aef9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8ef5",
  "rgb": {
    "r": 91,
    "g": 142,
    "b": 245
  },
  "hsl": {
    "h": 220.13,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.66019,
    "c": 0.16305,
    "h": 262.9
  },
  "luminance": 0.28163
}

Semantic roles & 50–950 ramp

primary

#5B8EF5

secondary

#EFDEBC

accent

#9900E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5B8EF5

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

Preview Lab → · Contrast checker → · Palette generator →