#558DFF#558DFF

#558DFF is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.2% C 0.179 H 262.8°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#558DFF
RGB	rgb(85, 141, 255)
HSL	hsl(220, 100%, 67%)
HSV	hsv(220, 67%, 100%)
CMYK	cmyk(66.7%, 44.7%, 0%, 0%)
CIE-LAB	lab(60.07, 17.46, -62.20)
CIE-LCH	lch(60.07, 64.60, 285.68°)
OKLab	oklab(66.16% -0.0225 -0.1779)
OKLCH	oklch(66.16% 0.179 262.8)
XYZ	xyz(31.3148, 28.1979, 98.3808)
Luminance	0.2820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DFF #FFC755

analogous

#55E2FF #558DFF #7255FF

triadic

#558DFF #FF558D #8DFF55

tetradic

#558DFF #FF55E2 #FFC755 #55FF72

square

#558DFF #FF55E2 #FFC755 #55FF72

split-complementary

#558DFF #FF7255 #E2FF55

monochromatic

#0048DA #1864FF #558DFF #92B6FF #CFDFFF

Accessibility & contrast

On white

3.16

#558DFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#558DFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DFF

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DFF	#FFFFFF	#000000	##000000
##558DFF	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5499FF

Deuteranopia (green-blind)

#3489FD

Tritanopia (blue-blind)

#00A7BA

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #558dff;
/* rgb */ color: rgb(85, 141, 255);
/* oklch */ color: oklch(66.2% 0.179 262.8);

Tailwind

colors: {
  custom: {
    50: '#96adff',
    500: '#558dff',
    950: '#000000',
  },
}

SCSS

$custom: #558dff;
$custom-light: #96adff;
$custom-dark: #000000;

JSON

{
  "hex": "#558dff",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 255
  },
  "hsl": {
    "h": 220.235,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66156,
    "c": 0.17936,
    "h": 262.8
  },
  "luminance": 0.28201
}

Semantic roles & 50–950 ramp

primary

#558DFF

secondary

#F3E1BD

accent

#9A00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #558DFF

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

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