#558EF8#558EF8

#558EF8 is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.9% C 0.169 H 261.6°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#558EF8
RGB	rgb(85, 142, 248)
HSL	hsl(219, 92%, 65%)
HSV	hsv(219, 66%, 97%)
CMYK	cmyk(65.7%, 42.7%, 0%, 2.7%)
CIE-LAB	lab(59.94, 14.47, -58.57)
CIE-LCH	lch(59.94, 60.33, 283.88°)
OKLab	oklab(65.93% -0.0246 -0.1672)
OKLCH	oklch(65.93% 0.169 261.6)
XYZ	xyz(30.3566, 28.0516, 92.6034)
Luminance	0.2806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EF8 #F8BF55

analogous

#55E0F8 #558EF8 #6D55F8

triadic

#558EF8 #F8558E #8EF855

tetradic

#558EF8 #F855E0 #F8BF55 #55F86D

square

#558EF8 #F855E0 #F8BF55 #55F86D

split-complementary

#558EF8 #F86D55 #E0F855

monochromatic

#084CCA #1A67F6 #558EF8 #90B5FA #CBDCFD

Accessibility & contrast

On white

3.18

#558EF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#558EF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EF8

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EF8	#FFFFFF	#000000	##000000
##558EF8	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C98FC

Deuteranopia (green-blind)

#4189F6

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #558ef8;
/* rgb */ color: rgb(85, 142, 248);
/* oklch */ color: oklch(65.9% 0.169 261.6);

Tailwind

colors: {
  custom: {
    50: '#94aefb',
    500: '#558ef8',
    950: '#000000',
  },
}

SCSS

$custom: #558ef8;
$custom-light: #94aefb;
$custom-dark: #000000;

JSON

{
  "hex": "#558ef8",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 248
  },
  "hsl": {
    "h": 219.018,
    "s": 92.09,
    "l": 65.294
  },
  "oklch": {
    "l": 0.65926,
    "c": 0.16905,
    "h": 261.6
  },
  "luminance": 0.28055
}

Semantic roles & 50–950 ramp

primary

#558EF8

secondary

#F0DDB9

accent

#9500E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #558EF8

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

Preview Lab → · Contrast checker → · Palette generator →