#558CCB#558CCB

#558CCB is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.9% C 0.112 H 252.9°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#558CCB
RGB	rgb(85, 140, 203)
HSL	hsl(212, 53%, 56%)
HSV	hsv(212, 58%, 80%)
CMYK	cmyk(58.1%, 31%, 0%, 20.4%)
CIE-LAB	lab(57.07, 0.62, -38.03)
CIE-LCH	lch(57.07, 38.04, 270.94°)
OKLab	oklab(62.95% -0.0329 -0.1072)
OKLCH	oklch(62.95% 0.112 252.9)
XYZ	xyz(23.9000, 24.9972, 60.0538)
Luminance	0.2500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CCB #CB9455

analogous

#55C7CB #558CCB #5955CB

triadic

#558CCB #CB558C #8CCB55

tetradic

#558CCB #CB55C7 #CB9455 #55CB59

square

#558CCB #CB55C7 #CB9455 #55CB59

split-complementary

#558CCB #CB5955 #C7CB55

monochromatic

#27507F #356DAE #558CCB #84ACD9 #B3CBE8

Accessibility & contrast

On white

3.50

#558CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#558CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CCB

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CCB	#FFFFFF	#000000	##000000
##558CCB	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#728FCE

Deuteranopia (green-blind)

#6284CA

Tritanopia (blue-blind)

#009AA2

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #558ccb;
/* rgb */ color: rgb(85, 140, 203);
/* oklch */ color: oklch(62.9% 0.112 252.9);

Tailwind

colors: {
  custom: {
    50: '#8eaddb',
    500: '#558ccb',
    950: '#000000',
  },
}

SCSS

$custom: #558ccb;
$custom-light: #8eaddb;
$custom-dark: #000000;

JSON

{
  "hex": "#558ccb",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 203
  },
  "hsl": {
    "h": 212.034,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.62948,
    "c": 0.11217,
    "h": 252.9
  },
  "luminance": 0.24999
}

Semantic roles & 50–950 ramp

primary

#558CCB

secondary

#D6C0A6

accent

#994BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558CCB

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

Preview Lab → · Contrast checker → · Palette generator →