#558CF1#558CF1

#558CF1 is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.1% C 0.162 H 261.5°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#558CF1
RGB	rgb(85, 140, 241)
HSL	hsl(219, 85%, 64%)
HSV	hsv(219, 65%, 95%)
CMYK	cmyk(64.7%, 41.9%, 0%, 5.5%)
CIE-LAB	lab(59.01, 13.28, -56.19)
CIE-LCH	lch(59.01, 57.74, 283.30°)
OKLab	oklab(65.08% -0.024 -0.1603)
OKLCH	oklch(65.08% 0.162 261.5)
XYZ	xyz(28.9960, 27.0355, 86.8923)
Luminance	0.2704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CF1 #F1BA55

analogous

#55DAF1 #558CF1 #6C55F1

triadic

#558CF1 #F1558C #8CF155

tetradic

#558CF1 #F155DA #F1BA55 #55F16C

square

#558CF1 #F155DA #F1BA55 #55F16C

split-complementary

#558CF1 #F16C55 #DAF155

monochromatic

#0F4CBC #1C66EC #558CF1 #8EB2F6 #C6D9FA

Accessibility & contrast

On white

3.28

#558CF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#558CF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CF1

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CF1	#FFFFFF	#000000	##000000
##558CF1	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D96F5

Deuteranopia (green-blind)

#4487EF

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558cf1;
/* rgb */ color: rgb(85, 140, 241);
/* oklch */ color: oklch(65.1% 0.162 261.5);

Tailwind

colors: {
  custom: {
    50: '#93adf6',
    500: '#558cf1',
    950: '#000000',
  },
}

SCSS

$custom: #558cf1;
$custom-light: #93adf6;
$custom-dark: #000000;

JSON

{
  "hex": "#558cf1",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 241
  },
  "hsl": {
    "h": 218.846,
    "s": 84.783,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65084,
    "c": 0.16208,
    "h": 261.5
  },
  "luminance": 0.27038
}

Semantic roles & 50–950 ramp

primary

#558CF1

secondary

#ECD9B6

accent

#9304E1

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558CF1

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

Preview Lab → · Contrast checker → · Palette generator →