#558FAB#558FAB

#558FAB is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.1% C 0.074 H 230.5°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#558FAB
RGB	rgb(85, 143, 171)
HSL	hsl(200, 34%, 50%)
HSV	hsv(200, 50%, 67%)
CMYK	cmyk(50.3%, 16.4%, 0%, 32.9%)
CIE-LAB	lab(56.60, -11.06, -20.59)
CIE-LCH	lch(56.60, 23.37, 241.76°)
OKLab	oklab(62.13% -0.0471 -0.0571)
OKLCH	oklch(62.13% 0.074 230.5)
XYZ	xyz(20.9168, 24.5148, 42.1498)
Luminance	0.2452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FAB #AB7155

analogous

#55AB9C #558FAB #5564AB

triadic

#558FAB #AB558F #8FAB55

tetradic

#558FAB #9C55AB #AB7155 #64AB55

square

#558FAB #9C55AB #AB7155 #64AB55

split-complementary

#558FAB #AB5564 #AB9C55

monochromatic

#2C4B59 #406D82 #558FAB #7EAABF #A7C5D3

Accessibility & contrast

On white

3.56

#558FAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#558FAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FAB

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FAB	#FFFFFF	#000000	##000000
##558FAB	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAC

Deuteranopia (green-blind)

#7584AB

Tritanopia (blue-blind)

#279798

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558fab;
/* rgb */ color: rgb(85, 143, 171);
/* oklch */ color: oklch(62.1% 0.074 230.5);

Tailwind

colors: {
  custom: {
    50: '#8aafc4',
    500: '#558fab',
    950: '#000000',
  },
}

SCSS

$custom: #558fab;
$custom-light: #8aafc4;
$custom-dark: #000000;

JSON

{
  "hex": "#558fab",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 171
  },
  "hsl": {
    "h": 199.535,
    "s": 33.858,
    "l": 50.196
  },
  "oklch": {
    "l": 0.62131,
    "c": 0.07402,
    "h": 230.5
  },
  "luminance": 0.24516
}

Semantic roles & 50–950 ramp

primary

#558FAB

secondary

#C1A79B

accent

#815ECA

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1012

muted

#7D7F81

Preview Lab

Preview with #558FAB

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

Preview Lab → · Contrast checker → · Palette generator →