#558ACB#558ACB

#558ACB is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.5% C 0.114 H 254.4°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#558ACB
RGB	rgb(85, 138, 203)
HSL	hsl(213, 53%, 56%)
HSV	hsv(213, 58%, 80%)
CMYK	cmyk(58.1%, 32%, 0%, 20.4%)
CIE-LAB	lab(56.50, 1.79, -38.92)
CIE-LCH	lch(56.50, 38.96, 272.64°)
OKLab	oklab(62.5% -0.0307 -0.1098)
OKLCH	oklch(62.5% 0.114 254.4)
XYZ	xyz(23.6105, 24.4180, 59.9573)
Luminance	0.2442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558ACB #CB9655

analogous

#55C5CB #558ACB #5B55CB

triadic

#558ACB #CB558A #8ACB55

tetradic

#558ACB #CB55C5 #CB9655 #55CB5B

square

#558ACB #CB55C5 #CB9655 #55CB5B

split-complementary

#558ACB #CB5B55 #C5CB55

monochromatic

#274E7F #356BAE #558ACB #84AAD9 #B3CBE8

Accessibility & contrast

On white

3.57

#558ACB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#558ACB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ACB

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558ACB	#FFFFFF	#000000	##000000
##558ACB	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F8ECE

Deuteranopia (green-blind)

#6082CA

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558acb;
/* rgb */ color: rgb(85, 138, 203);
/* oklch */ color: oklch(62.5% 0.114 254.4);

Tailwind

colors: {
  custom: {
    50: '#8eabdb',
    500: '#558acb',
    950: '#000000',
  },
}

SCSS

$custom: #558acb;
$custom-light: #8eabdb;
$custom-dark: #000000;

JSON

{
  "hex": "#558acb",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 203
  },
  "hsl": {
    "h": 213.051,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.62502,
    "c": 0.11405,
    "h": 254.4
  },
  "luminance": 0.2442
}

Semantic roles & 50–950 ramp

primary

#558ACB

secondary

#D6C0A6

accent

#9B4BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558ACB

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

Preview Lab → · Contrast checker → · Palette generator →