#558DF3#558DF3

#558DF3 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.4% C 0.164 H 261.4°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#558DF3
RGB	rgb(85, 141, 243)
HSL	hsl(219, 87%, 64%)
HSV	hsv(219, 65%, 95%)
CMYK	cmyk(65%, 42%, 0%, 4.7%)
CIE-LAB	lab(59.39, 13.36, -56.69)
CIE-LCH	lch(59.39, 58.24, 283.27°)
OKLab	oklab(65.41% -0.0246 -0.1617)
OKLCH	oklch(65.41% 0.164 261.4)
XYZ	xyz(29.4431, 27.4493, 88.5232)
Luminance	0.2745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DF3 #F3BB55

analogous

#55DCF3 #558DF3 #6C55F3

triadic

#558DF3 #F3558D #8DF355

tetradic

#558DF3 #F355DC #F3BB55 #55F36C

square

#558DF3 #F355DC #F3BB55 #55F36C

split-complementary

#558DF3 #F36C55 #DCF355

monochromatic

#0E4DC0 #1C67EF #558DF3 #8EB3F7 #C7DAFB

Accessibility & contrast

On white

3.24

#558DF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#558DF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DF3

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DF3	#FFFFFF	#000000	##000000
##558DF3	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D97F7

Deuteranopia (green-blind)

#4488F1

Tritanopia (blue-blind)

#00A4B4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #558df3;
/* rgb */ color: rgb(85, 141, 243);
/* oklch */ color: oklch(65.4% 0.164 261.4);

Tailwind

colors: {
  custom: {
    50: '#94adf7',
    500: '#558df3',
    950: '#000000',
  },
}

SCSS

$custom: #558df3;
$custom-light: #94adf7;
$custom-dark: #000000;

JSON

{
  "hex": "#558df3",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 243
  },
  "hsl": {
    "h": 218.734,
    "s": 86.813,
    "l": 64.314
  },
  "oklch": {
    "l": 0.65413,
    "c": 0.1636,
    "h": 261.4
  },
  "luminance": 0.27452
}

Semantic roles & 50–950 ramp

primary

#558DF3

secondary

#EDDAB6

accent

#9402E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558DF3

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

Preview Lab → · Contrast checker → · Palette generator →