#558FC3#558FC3

#558FC3 is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.2% C 0.100 H 247.1°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#558FC3
RGB	rgb(85, 143, 195)
HSL	hsl(208, 48%, 55%)
HSV	hsv(208, 56%, 76%)
CMYK	cmyk(56.4%, 26.7%, 0%, 23.5%)
CIE-LAB	lab(57.57, -3.68, -32.73)
CIE-LCH	lch(57.57, 32.94, 263.58°)
OKLab	oklab(63.22% -0.0387 -0.0918)
OKLCH	oklch(63.22% 0.1 247.1)
XYZ	xyz(23.4155, 25.5143, 55.3100)
Luminance	0.2552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FC3 #C38955

analogous

#55C3C0 #558FC3 #5558C3

triadic

#558FC3 #C3558F #8FC355

tetradic

#558FC3 #C055C3 #C38955 #58C355

square

#558FC3 #C055C3 #C38955 #58C355

split-complementary

#558FC3 #C35558 #C3C055

monochromatic

#295174 #3970A2 #558FC3 #82ADD3 #AFCBE3

Accessibility & contrast

On white

3.44

#558FC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#558FC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FC3

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FC3	#FFFFFF	#000000	##000000
##558FC3	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)

#7990C5

Deuteranopia (green-blind)

#6A85C2

Tritanopia (blue-blind)

#009BA1

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558fc3;
/* rgb */ color: rgb(85, 143, 195);
/* oklch */ color: oklch(63.2% 0.100 247.1);

Tailwind

colors: {
  custom: {
    50: '#8dafd5',
    500: '#558fc3',
    950: '#000000',
  },
}

SCSS

$custom: #558fc3;
$custom-light: #8dafd5;
$custom-dark: #000000;

JSON

{
  "hex": "#558fc3",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 195
  },
  "hsl": {
    "h": 208.364,
    "s": 47.826,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63223,
    "c": 0.09968,
    "h": 247.1
  },
  "luminance": 0.25516
}

Semantic roles & 50–950 ramp

primary

#558FC3

secondary

#D1B9A3

accent

#9050D7

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #558FC3

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

Preview Lab → · Contrast checker → · Palette generator →