#558CD9#558CD9

#558CD9 is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.7% C 0.130 H 257.0°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#558CD9
RGB	rgb(85, 140, 217)
HSL	hsl(215, 63%, 59%)
HSV	hsv(215, 61%, 85%)
CMYK	cmyk(60.8%, 35.5%, 0%, 14.9%)
CIE-LAB	lab(57.75, 5.22, -44.84)
CIE-LCH	lch(57.75, 45.14, 276.64°)
OKLab	oklab(63.7% -0.0292 -0.127)
OKLCH	oklch(63.7% 0.13 257)
XYZ	xyz(25.6443, 25.6949, 69.2404)
Luminance	0.2570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CD9 #D9A255

analogous

#55CED9 #558CD9 #6055D9

triadic

#558CD9 #D9558C #8CD955

tetradic

#558CD9 #D955CE #D9A255 #55D960

square

#558CD9 #D955CE #D9A255 #55D960

split-complementary

#558CD9 #D96055 #CED955

monochromatic

#215093 #2C6CC5 #558CD9 #87AEE4 #B9D0EF

Accessibility & contrast

On white

3.42

#558CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#558CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CD9

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CD9	#FFFFFF	#000000	##000000
##558CD9	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B92DC

Deuteranopia (green-blind)

#5985D7

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558cd9;
/* rgb */ color: rgb(85, 140, 217);
/* oklch */ color: oklch(63.7% 0.130 257.0);

Tailwind

colors: {
  custom: {
    50: '#90ade5',
    500: '#558cd9',
    950: '#000000',
  },
}

SCSS

$custom: #558cd9;
$custom-light: #90ade5;
$custom-dark: #000000;

JSON

{
  "hex": "#558cd9",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 217
  },
  "hsl": {
    "h": 215,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.63695,
    "c": 0.13037,
    "h": 257
  },
  "luminance": 0.25697
}

Semantic roles & 50–950 ramp

primary

#558CD9

secondary

#DFC9AB

accent

#A241E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #558CD9

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

Preview Lab → · Contrast checker → · Palette generator →