#558EF5#558EF5

#558EF5 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.7% C 0.165 H 261.2°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#558EF5
RGB	rgb(85, 142, 245)
HSL	hsl(219, 89%, 65%)
HSV	hsv(219, 65%, 96%)
CMYK	cmyk(65.3%, 42%, 0%, 3.9%)
CIE-LAB	lab(59.77, 13.45, -57.18)
CIE-LCH	lch(59.77, 58.74, 283.23°)
OKLab	oklab(65.74% -0.0251 -0.1632)
OKLCH	oklch(65.74% 0.165 261.2)
XYZ	xyz(29.8949, 27.8670, 90.1719)
Luminance	0.2787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EF5 #F5BC55

analogous

#55DEF5 #558EF5 #6C55F5

triadic

#558EF5 #F5558E #8EF555

tetradic

#558EF5 #F555DE #F5BC55 #55F56C

square

#558EF5 #F555DE #F5BC55 #55F56C

split-complementary

#558EF5 #F56C55 #DEF555

monochromatic

#0C4DC4 #1B68F2 #558EF5 #8FB4F8 #C9DBFC

Accessibility & contrast

On white

3.19

#558EF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#558EF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EF5

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EF5	#FFFFFF	#000000	##000000
##558EF5	1.00	3.19	6.57	6.57
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E98F9

Deuteranopia (green-blind)

#4489F3

Tritanopia (blue-blind)

#00A6B6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #558ef5;
/* rgb */ color: rgb(85, 142, 245);
/* oklch */ color: oklch(65.7% 0.165 261.2);

Tailwind

colors: {
  custom: {
    50: '#94aef9',
    500: '#558ef5',
    950: '#000000',
  },
}

SCSS

$custom: #558ef5;
$custom-light: #94aef9;
$custom-dark: #000000;

JSON

{
  "hex": "#558ef5",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 245
  },
  "hsl": {
    "h": 218.625,
    "s": 88.889,
    "l": 64.706
  },
  "oklch": {
    "l": 0.65743,
    "c": 0.16511,
    "h": 261.2
  },
  "luminance": 0.2787
}

Semantic roles & 50–950 ramp

primary

#558EF5

secondary

#EEDBB7

accent

#9400E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558EF5

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

Preview Lab → · Contrast checker → · Palette generator →