#558FAA#558FAA

#558FAA is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.1% C 0.073 H 229.5°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#558FAA
RGB	rgb(85, 143, 170)
HSL	hsl(199, 33%, 50%)
HSV	hsv(199, 50%, 67%)
CMYK	cmyk(50%, 15.9%, 0%, 33.3%)
CIE-LAB	lab(56.56, -11.35, -20.08)
CIE-LCH	lch(56.56, 23.06, 240.51°)
OKLab	oklab(62.09% -0.0475 -0.0557)
OKLCH	oklch(62.09% 0.073 229.5)
XYZ	xyz(20.8218, 24.4768, 41.6497)
Luminance	0.2448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FAA #AA7055

analogous

#55AA9A #558FAA #5565AA

triadic

#558FAA #AA558F #8FAA55

tetradic

#558FAA #9A55AA #AA7055 #65AA55

square

#558FAA #9A55AA #AA7055 #65AA55

split-complementary

#558FAA #AA5565 #AA9A55

monochromatic

#2C4A58 #416D81 #558FAA #7EAABE #A7C5D3

Accessibility & contrast

On white

3.56

#558FAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#558FAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FAA

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

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

#818DAB

Deuteranopia (green-blind)

#7584AA

Tritanopia (blue-blind)

#289798

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558faa;
/* rgb */ color: rgb(85, 143, 170);
/* oklch */ color: oklch(62.1% 0.073 229.5);

Tailwind

colors: {
  custom: {
    50: '#8aafc3',
    500: '#558faa',
    950: '#000000',
  },
}

SCSS

$custom: #558faa;
$custom-light: #8aafc3;
$custom-dark: #000000;

JSON

{
  "hex": "#558faa",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 170
  },
  "hsl": {
    "h": 199.059,
    "s": 33.333,
    "l": 50
  },
  "oklch": {
    "l": 0.62089,
    "c": 0.07315,
    "h": 229.5
  },
  "luminance": 0.24478
}

Semantic roles & 50–950 ramp

primary

#558FAA

secondary

#C0A69A

accent

#805EC9

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1012

muted

#7D7F81

Preview Lab

Preview with #558FAA

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

Preview Lab → · Contrast checker → · Palette generator →