#558CD0#558CD0

#558CD0 is a light, moderate cyan. Relative luminance 0.252; OKLCH L 63.2% C 0.119 H 254.6°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#558CD0
RGB	rgb(85, 140, 208)
HSL	hsl(213, 57%, 57%)
HSV	hsv(213, 59%, 82%)
CMYK	cmyk(59.1%, 32.7%, 0%, 18.4%)
CIE-LAB	lab(57.31, 2.25, -40.48)
CIE-LCH	lch(57.31, 40.54, 273.18°)
OKLab	oklab(63.21% -0.0316 -0.1143)
OKLCH	oklch(63.21% 0.119 254.6)
XYZ	xyz(24.5055, 25.2394, 63.2426)
Luminance	0.2524 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CD0 #D09955

analogous

#55C9D0 #558CD0 #5C55D0

triadic

#558CD0 #D0558C #8CD055

tetradic

#558CD0 #D055C9 #D09955 #55D05C

square

#558CD0 #D055C9 #D09955 #55D05C

split-complementary

#558CD0 #D05C55 #C9D055

monochromatic

#255086 #326DB6 #558CD0 #85ACDD #B5CDEB

Accessibility & contrast

On white

3.47

#558CD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#558CD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CD0

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CD0	#FFFFFF	#000000	##000000
##558CD0	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7090D3

Deuteranopia (green-blind)

#5F84CF

Tritanopia (blue-blind)

#009BA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558cd0;
/* rgb */ color: rgb(85, 140, 208);
/* oklch */ color: oklch(63.2% 0.119 254.6);

Tailwind

colors: {
  custom: {
    50: '#8eadde',
    500: '#558cd0',
    950: '#000000',
  },
}

SCSS

$custom: #558cd0;
$custom-light: #8eadde;
$custom-dark: #000000;

JSON

{
  "hex": "#558cd0",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 208
  },
  "hsl": {
    "h": 213.171,
    "s": 56.682,
    "l": 57.451
  },
  "oklch": {
    "l": 0.63209,
    "c": 0.11861,
    "h": 254.6
  },
  "luminance": 0.25242
}

Semantic roles & 50–950 ramp

primary

#558CD0

secondary

#D9C3A8

accent

#9C48E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558CD0

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

Preview Lab → · Contrast checker → · Palette generator →