#558FCC#558FCC

#558FCC is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.7% C 0.111 H 251.0°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#558FCC
RGB	rgb(85, 143, 204)
HSL	hsl(211, 54%, 57%)
HSV	hsv(211, 58%, 80%)
CMYK	cmyk(58.3%, 29.9%, 0%, 20%)
CIE-LAB	lab(57.97, -0.80, -37.18)
CIE-LCH	lch(57.97, 37.19, 268.77°)
OKLab	oklab(63.67% -0.036 -0.1047)
OKLCH	oklch(63.67% 0.111 251)
XYZ	xyz(24.4639, 25.9337, 60.8315)
Luminance	0.2594 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FCC #CC9255

analogous

#55CBCC #558FCC #5755CC

triadic

#558FCC #CC558F #8FCC55

tetradic

#558FCC #CC55CB #CC9255 #55CC57

square

#558FCC #CC55CB #CC9255 #55CC57

split-complementary

#558FCC #CC5755 #CBCC55

monochromatic

#265280 #3570AF #558FCC #84AEDA #B3CDE8

Accessibility & contrast

On white

3.39

#558FCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#558FCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FCC

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FCC	#FFFFFF	#000000	##000000
##558FCC	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7592CF

Deuteranopia (green-blind)

#6686CB

Tritanopia (blue-blind)

#009DA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558fcc;
/* rgb */ color: rgb(85, 143, 204);
/* oklch */ color: oklch(63.7% 0.111 251.0);

Tailwind

colors: {
  custom: {
    50: '#8eafdc',
    500: '#558fcc',
    950: '#000000',
  },
}

SCSS

$custom: #558fcc;
$custom-light: #8eafdc;
$custom-dark: #000000;

JSON

{
  "hex": "#558fcc",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 204
  },
  "hsl": {
    "h": 210.756,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.6367,
    "c": 0.11073,
    "h": 251
  },
  "luminance": 0.25936
}

Semantic roles & 50–950 ramp

primary

#558FCC

secondary

#D7BFA6

accent

#964BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558FCC

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

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