#558ECF#558ECF

#558ECF is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.6% C 0.115 H 252.9°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#558ECF
RGB	rgb(85, 142, 207)
HSL	hsl(212, 56%, 57%)
HSV	hsv(212, 59%, 81%)
CMYK	cmyk(58.9%, 31.4%, 0%, 18.8%)
CIE-LAB	lab(57.83, 0.75, -39.10)
CIE-LCH	lch(57.83, 39.11, 271.10°)
OKLab	oklab(63.6% -0.034 -0.1103)
OKLCH	oklch(63.6% 0.115 252.9)
XYZ	xyz(24.6778, 25.7801, 62.6950)
Luminance	0.2578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558ECF #CF9655

analogous

#55CBCF #558ECF #5955CF

triadic

#558ECF #CF558E #8ECF55

tetradic

#558ECF #CF55CB #CF9655 #55CF59

square

#558ECF #CF55CB #CF9655 #55CF59

split-complementary

#558ECF #CF5955 #CBCF55

monochromatic

#255284 #336FB4 #558ECF #85AEDC #B4CDEA

Accessibility & contrast

On white

3.41

#558ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#558ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558ECF

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558ECF	#FFFFFF	#000000	##000000
##558ECF	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7391D2

Deuteranopia (green-blind)

#6386CE

Tritanopia (blue-blind)

#009DA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558ecf;
/* rgb */ color: rgb(85, 142, 207);
/* oklch */ color: oklch(63.6% 0.115 252.9);

Tailwind

colors: {
  custom: {
    50: '#8eaede',
    500: '#558ecf',
    950: '#000000',
  },
}

SCSS

$custom: #558ecf;
$custom-light: #8eaede;
$custom-dark: #000000;

JSON

{
  "hex": "#558ecf",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 207
  },
  "hsl": {
    "h": 211.967,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.63601,
    "c": 0.11542,
    "h": 252.9
  },
  "luminance": 0.25782
}

Semantic roles & 50–950 ramp

primary

#558ECF

secondary

#D9C2A7

accent

#9949DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558ECF

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

Preview Lab → · Contrast checker → · Palette generator →