#558CDC#558CDC

#558CDC is a light, vivid blue. Relative luminance 0.259; OKLCH L 63.9% C 0.134 H 257.8°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#558CDC
RGB	rgb(85, 140, 220)
HSL	hsl(216, 66%, 60%)
HSV	hsv(216, 61%, 86%)
CMYK	cmyk(61.4%, 36.4%, 0%, 13.7%)
CIE-LAB	lab(57.90, 6.21, -46.28)
CIE-LCH	lch(57.90, 46.69, 277.65°)
OKLab	oklab(63.86% -0.0285 -0.1313)
OKLCH	oklch(63.86% 0.134 257.8)
XYZ	xyz(26.0381, 25.8524, 71.3141)
Luminance	0.2586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CDC #DCA555

analogous

#55CFDC #558CDC #6255DC

triadic

#558CDC #DC558C #8CDC55

tetradic

#558CDC #DC55CF #DCA555 #55DC62

square

#558CDC #DC55CF #DCA555 #55DC62

split-complementary

#558CDC #DC6255 #CFDC55

monochromatic

#1F5097 #2A6BCA #558CDC #88AEE6 #BBD1F1

Accessibility & contrast

On white

3.40

#558CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#558CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CDC

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CDC	#FFFFFF	#000000	##000000
##558CDC	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A92DF

Deuteranopia (green-blind)

#5785DA

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558cdc;
/* rgb */ color: rgb(85, 140, 220);
/* oklch */ color: oklch(63.9% 0.134 257.8);

Tailwind

colors: {
  custom: {
    50: '#90ade7',
    500: '#558cdc',
    950: '#000000',
  },
}

SCSS

$custom: #558cdc;
$custom-light: #90ade7;
$custom-dark: #000000;

JSON

{
  "hex": "#558cdc",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 220
  },
  "hsl": {
    "h": 215.556,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63861,
    "c": 0.13431,
    "h": 257.8
  },
  "luminance": 0.25855
}

Semantic roles & 50–950 ramp

primary

#558CDC

secondary

#E0CBAC

accent

#A43FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558CDC

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

Preview Lab → · Contrast checker → · Palette generator →