#558BF0#558BF0

#558BF0 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.8% C 0.162 H 261.7°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#558BF0
RGB	rgb(85, 139, 240)
HSL	hsl(219, 84%, 64%)
HSV	hsv(219, 65%, 94%)
CMYK	cmyk(64.6%, 42.1%, 0%, 5.9%)
CIE-LAB	lab(58.68, 13.54, -56.16)
CIE-LCH	lch(58.68, 57.77, 283.56°)
OKLab	oklab(64.81% -0.0232 -0.1602)
OKLCH	oklch(64.81% 0.162 261.7)
XYZ	xyz(28.7016, 26.6851, 86.0593)
Luminance	0.2669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BF0 #F0BA55

analogous

#55D8F0 #558BF0 #6C55F0

triadic

#558BF0 #F0558B #8BF055

tetradic

#558BF0 #F055D8 #F0BA55 #55F06C

square

#558BF0 #F055D8 #F0BA55 #55F06C

split-complementary

#558BF0 #F06C55 #D8F055

monochromatic

#104CBA #1D65EB #558BF0 #8DB1F5 #C5D8FA

Accessibility & contrast

On white

3.31

#558BF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#558BF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BF0

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BF0	#FFFFFF	#000000	##000000
##558BF0	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C95F4

Deuteranopia (green-blind)

#4387EE

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #558bf0;
/* rgb */ color: rgb(85, 139, 240);
/* oklch */ color: oklch(64.8% 0.162 261.7);

Tailwind

colors: {
  custom: {
    50: '#93acf5',
    500: '#558bf0',
    950: '#000000',
  },
}

SCSS

$custom: #558bf0;
$custom-light: #93acf5;
$custom-dark: #000000;

JSON

{
  "hex": "#558bf0",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 240
  },
  "hsl": {
    "h": 219.097,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.64814,
    "c": 0.16189,
    "h": 261.7
  },
  "luminance": 0.26688
}

Semantic roles & 50–950 ramp

primary

#558BF0

secondary

#ECD9B5

accent

#9405E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558BF0

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

Preview Lab → · Contrast checker → · Palette generator →