#558CD5#558CD5

#558CD5 is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.5% C 0.125 H 256.0°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#558CD5
RGB	rgb(85, 140, 213)
HSL	hsl(214, 60%, 58%)
HSV	hsv(214, 60%, 84%)
CMYK	cmyk(60.1%, 34.3%, 0%, 16.5%)
CIE-LAB	lab(57.55, 3.89, -42.91)
CIE-LCH	lch(57.55, 43.08, 275.18°)
OKLab	oklab(63.48% -0.0302 -0.1214)
OKLCH	oklch(63.48% 0.125 256)
XYZ	xyz(25.1304, 25.4893, 66.5335)
Luminance	0.2549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CD5 #D59E55

analogous

#55CCD5 #558CD5 #5E55D5

triadic

#558CD5 #D5558C #8CD555

tetradic

#558CD5 #D555CC #D59E55 #55D55E

square

#558CD5 #D555CC #D59E55 #55D55E

split-complementary

#558CD5 #D55E55 #CCD555

monochromatic

#23508D #2F6CBE #558CD5 #86ADE1 #B7CEED

Accessibility & contrast

On white

3.44

#558CD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#558CD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CD5

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CD5	#FFFFFF	#000000	##000000
##558CD5	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D91D8

Deuteranopia (green-blind)

#5C85D3

Tritanopia (blue-blind)

#009DA7

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558cd5;
/* rgb */ color: rgb(85, 140, 213);
/* oklch */ color: oklch(63.5% 0.125 256.0);

Tailwind

colors: {
  custom: {
    50: '#8fade2',
    500: '#558cd5',
    950: '#000000',
  },
}

SCSS

$custom: #558cd5;
$custom-light: #8fade2;
$custom-dark: #000000;

JSON

{
  "hex": "#558cd5",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 213
  },
  "hsl": {
    "h": 214.219,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.63477,
    "c": 0.12512,
    "h": 256
  },
  "luminance": 0.25492
}

Semantic roles & 50–950 ramp

primary

#558CD5

secondary

#DCC6A9

accent

#9F44E4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558CD5

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

Preview Lab → · Contrast checker → · Palette generator →