#558DAB#558DAB

#558DAB is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.7% C 0.075 H 233.2°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#558DAB
RGB	rgb(85, 141, 171)
HSL	hsl(201, 34%, 50%)
HSV	hsv(201, 50%, 67%)
CMYK	cmyk(50.3%, 17.5%, 0%, 32.9%)
CIE-LAB	lab(56.01, -9.94, -21.50)
CIE-LCH	lch(56.01, 23.68, 245.18°)
OKLab	oklab(61.66% -0.0447 -0.0597)
OKLCH	oklch(61.66% 0.075 233.2)
XYZ	xyz(20.6192, 23.9197, 42.0506)
Luminance	0.2392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DAB #AB7355

analogous

#55AB9E #558DAB #5562AB

triadic

#558DAB #AB558D #8DAB55

tetradic

#558DAB #9E55AB #AB7355 #62AB55

square

#558DAB #9E55AB #AB7355 #62AB55

split-complementary

#558DAB #AB5562 #AB9E55

monochromatic

#2C4A59 #406B82 #558DAB #7EA8BF #A7C4D3

Accessibility & contrast

On white

3.63

#558DAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#558DAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DAB

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DAB	#FFFFFF	#000000	##000000
##558DAB	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8CAD

Deuteranopia (green-blind)

#7282AB

Tritanopia (blue-blind)

#289597

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #558dab;
/* rgb */ color: rgb(85, 141, 171);
/* oklch */ color: oklch(61.7% 0.075 233.2);

Tailwind

colors: {
  custom: {
    50: '#8aaec4',
    500: '#558dab',
    950: '#000000',
  },
}

SCSS

$custom: #558dab;
$custom-light: #8aaec4;
$custom-dark: #000000;

JSON

{
  "hex": "#558dab",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 171
  },
  "hsl": {
    "h": 200.93,
    "s": 33.858,
    "l": 50.196
  },
  "oklch": {
    "l": 0.6166,
    "c": 0.07455,
    "h": 233.2
  },
  "luminance": 0.23921
}

Semantic roles & 50–950 ramp

primary

#558DAB

secondary

#C1A89B

accent

#845ECA

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1012

muted

#7D7F81

Preview Lab

Preview with #558DAB

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

Preview Lab → · Contrast checker → · Palette generator →