#558EFC#558EFC

#558EFC is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.2% C 0.174 H 262.1°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#558EFC
RGB	rgb(85, 142, 252)
HSL	hsl(220, 97%, 66%)
HSV	hsv(220, 66%, 99%)
CMYK	cmyk(66.3%, 43.7%, 0%, 1.2%)
CIE-LAB	lab(60.16, 15.83, -60.40)
CIE-LCH	lch(60.16, 62.45, 284.69°)
OKLab	oklab(66.17% -0.0239 -0.1726)
OKLCH	oklch(66.17% 0.174 262.1)
XYZ	xyz(30.9838, 28.3025, 95.9067)
Luminance	0.2831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EFC #FCC355

analogous

#55E1FC #558EFC #6F55FC

triadic

#558EFC #FC558E #8EFC55

tetradic

#558EFC #FC55E1 #FCC355 #55FC6F

square

#558EFC #FC55E1 #FCC355 #55FC6F

split-complementary

#558EFC #FC6F55 #E1FC55

monochromatic

#044AD3 #1966FB #558EFC #91B6FD #CDDEFE

Accessibility & contrast

On white

3.15

#558EFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#558EFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EFC

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EFC	#FFFFFF	#000000	##000000
##558EFC	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5999FF

Deuteranopia (green-blind)

#3B8AFA

Tritanopia (blue-blind)

#00A7B9

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #558efc;
/* rgb */ color: rgb(85, 142, 252);
/* oklch */ color: oklch(66.2% 0.174 262.1);

Tailwind

colors: {
  custom: {
    50: '#95aefe',
    500: '#558efc',
    950: '#000000',
  },
}

SCSS

$custom: #558efc;
$custom-light: #95aefe;
$custom-dark: #000000;

JSON

{
  "hex": "#558efc",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 252
  },
  "hsl": {
    "h": 219.521,
    "s": 96.532,
    "l": 66.078
  },
  "oklch": {
    "l": 0.66173,
    "c": 0.1743,
    "h": 262.1
  },
  "luminance": 0.28306
}

Semantic roles & 50–950 ramp

primary

#558EFC

secondary

#F2DFBB

accent

#9700E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1018

muted

#7E7F86

Preview Lab

Preview with #558EFC

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

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