#558ECC#558ECC

#558ECC is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.4% C 0.112 H 251.8°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#558ECC
RGB	rgb(85, 142, 204)
HSL	hsl(211, 54%, 57%)
HSV	hsv(211, 58%, 80%)
CMYK	cmyk(58.3%, 30.4%, 0%, 20%)
CIE-LAB	lab(57.69, -0.22, -37.63)
CIE-LCH	lch(57.69, 37.63, 269.66°)
OKLab	oklab(63.45% -0.0349 -0.106)
OKLCH	oklch(63.45% 0.112 251.8)
XYZ	xyz(24.3145, 25.6348, 60.7817)
Luminance	0.2564 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558ECC #CC9355

analogous

#55C9CC #558ECC #5855CC

triadic

#558ECC #CC558E #8ECC55

tetradic

#558ECC #CC55C9 #CC9355 #55CC58

square

#558ECC #CC55C9 #CC9355 #55CC58

split-complementary

#558ECC #CC5855 #C9CC55

monochromatic

#265180 #356FAF #558ECC #84ADDA #B3CDE8

Accessibility & contrast

On white

3.43

#558ECC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#558ECC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ECC

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558ECC	#FFFFFF	#000000	##000000
##558ECC	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7491CF

Deuteranopia (green-blind)

#6485CB

Tritanopia (blue-blind)

#009CA4

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558ecc;
/* rgb */ color: rgb(85, 142, 204);
/* oklch */ color: oklch(63.4% 0.112 251.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#558ecc",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 204
  },
  "hsl": {
    "h": 211.261,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.63446,
    "c": 0.11162,
    "h": 251.8
  },
  "luminance": 0.25637
}

Semantic roles & 50–950 ramp

primary

#558ECC

secondary

#D7BFA6

accent

#974BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558ECC

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

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