#558CF4#558CF4

#558CF4 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.3% C 0.166 H 261.9°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#558CF4
RGB	rgb(85, 140, 244)
HSL	hsl(219, 88%, 65%)
HSV	hsv(219, 65%, 96%)
CMYK	cmyk(65.2%, 42.6%, 0%, 4.3%)
CIE-LAB	lab(59.17, 14.30, -57.58)
CIE-LCH	lch(59.17, 59.33, 283.95°)
OKLab	oklab(65.27% -0.0234 -0.1644)
OKLCH	oklch(65.27% 0.166 261.9)
XYZ	xyz(29.4478, 27.2163, 89.2718)
Luminance	0.2722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CF4 #F4BD55

analogous

#55DCF4 #558CF4 #6E55F4

triadic

#558CF4 #F4558C #8CF455

tetradic

#558CF4 #F455DC #F4BD55 #55F46E

square

#558CF4 #F455DC #F4BD55 #55F46E

split-complementary

#558CF4 #F46E55 #DCF455

monochromatic

#0D4BC2 #1C65F0 #558CF4 #8EB3F8 #C8DAFB

Accessibility & contrast

On white

3.26

#558CF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#558CF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CF4

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CF4	#FFFFFF	#000000	##000000
##558CF4	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B96F8

Deuteranopia (green-blind)

#4188F2

Tritanopia (blue-blind)

#00A4B4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558cf4;
/* rgb */ color: rgb(85, 140, 244);
/* oklch */ color: oklch(65.3% 0.166 261.9);

Tailwind

colors: {
  custom: {
    50: '#94adf8',
    500: '#558cf4',
    950: '#000000',
  },
}

SCSS

$custom: #558cf4;
$custom-light: #94adf8;
$custom-dark: #000000;

JSON

{
  "hex": "#558cf4",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 244
  },
  "hsl": {
    "h": 219.245,
    "s": 87.845,
    "l": 64.51
  },
  "oklch": {
    "l": 0.65266,
    "c": 0.16603,
    "h": 261.9
  },
  "luminance": 0.27219
}

Semantic roles & 50–950 ramp

primary

#558CF4

secondary

#EEDBB7

accent

#9601E4

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558CF4

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

Preview Lab → · Contrast checker → · Palette generator →