#558ECD#558ECD

#558ECD is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.5% C 0.113 H 252.2°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#558ECD
RGB	rgb(85, 142, 205)
HSL	hsl(212, 55%, 57%)
HSV	hsv(212, 59%, 80%)
CMYK	cmyk(58.5%, 30.7%, 0%, 19.6%)
CIE-LAB	lab(57.73, 0.10, -38.12)
CIE-LCH	lch(57.73, 38.12, 270.16°)
OKLab	oklab(63.5% -0.0346 -0.1075)
OKLCH	oklch(63.5% 0.113 252.2)
XYZ	xyz(24.4348, 25.6829, 61.4154)
Luminance	0.2569 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558ECD #CD9455

analogous

#55CACD #558ECD #5855CD

triadic

#558ECD #CD558E #8ECD55

tetradic

#558ECD #CD55CA #CD9455 #55CD58

square

#558ECD #CD55CA #CD9455 #55CD58

split-complementary

#558ECD #CD5855 #CACD55

monochromatic

#265282 #346FB1 #558ECD #84ADDB #B4CDE9

Accessibility & contrast

On white

3.42

#558ECD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#558ECD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ECD

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558ECD	#FFFFFF	#000000	##000000
##558ECD	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7491D0

Deuteranopia (green-blind)

#6485CC

Tritanopia (blue-blind)

#009CA4

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558ecd;
/* rgb */ color: rgb(85, 142, 205);
/* oklch */ color: oklch(63.5% 0.113 252.2);

Tailwind

colors: {
  custom: {
    50: '#8eaedc',
    500: '#558ecd',
    950: '#000000',
  },
}

SCSS

$custom: #558ecd;
$custom-light: #8eaedc;
$custom-dark: #000000;

JSON

{
  "hex": "#558ecd",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 205
  },
  "hsl": {
    "h": 211.5,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63497,
    "c": 0.11289,
    "h": 252.2
  },
  "luminance": 0.25685
}

Semantic roles & 50–950 ramp

primary

#558ECD

secondary

#D7C0A6

accent

#984ADE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558ECD

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

Preview Lab → · Contrast checker → · Palette generator →