#558FFD#558FFD

#558FFD is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.4% C 0.174 H 261.9°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#558FFD
RGB	rgb(85, 143, 253)
HSL	hsl(219, 98%, 66%)
HSV	hsv(219, 66%, 99%)
CMYK	cmyk(66.4%, 43.5%, 0%, 0.8%)
CIE-LAB	lab(60.48, 15.58, -60.44)
CIE-LCH	lch(60.48, 62.41, 284.45°)
OKLab	oklab(66.44% -0.0246 -0.1727)
OKLCH	oklch(66.44% 0.174 261.9)
XYZ	xyz(31.2921, 28.6650, 96.7932)
Luminance	0.2867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FFD #FDC355

analogous

#55E3FD #558FFD #6F55FD

triadic

#558FFD #FD558F #8FFD55

tetradic

#558FFD #FD55E3 #FDC355 #55FD6F

square

#558FFD #FD55E3 #FDC355 #55FD6F

split-complementary

#558FFD #FD6F55 #E3FD55

monochromatic

#034BD5 #1967FC #558FFD #91B7FE #CEDFFE

Accessibility & contrast

On white

3.12

#558FFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#558FFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FFD

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FFD	#FFFFFF	#000000	##000000
##558FFD	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A9AFF

Deuteranopia (green-blind)

#3C8BFB

Tritanopia (blue-blind)

#00A8BA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #558ffd;
/* rgb */ color: rgb(85, 143, 253);
/* oklch */ color: oklch(66.4% 0.174 261.9);

Tailwind

colors: {
  custom: {
    50: '#95afff',
    500: '#558ffd',
    950: '#000000',
  },
}

SCSS

$custom: #558ffd;
$custom-light: #95afff;
$custom-dark: #000000;

JSON

{
  "hex": "#558ffd",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 253
  },
  "hsl": {
    "h": 219.286,
    "s": 97.674,
    "l": 66.275
  },
  "oklch": {
    "l": 0.6644,
    "c": 0.17447,
    "h": 261.9
  },
  "luminance": 0.28668
}

Semantic roles & 50–950 ramp

primary

#558FFD

secondary

#F2DFBB

accent

#9600E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1018

muted

#7E7F86

Preview Lab

Preview with #558FFD

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

Preview Lab → · Contrast checker → · Palette generator →