#558FBC#558FBC

#558FBC is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.9% C 0.091 H 243.4°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#558FBC
RGB	rgb(85, 143, 188)
HSL	hsl(206, 43%, 54%)
HSV	hsv(206, 55%, 74%)
CMYK	cmyk(54.8%, 23.9%, 0%, 26.3%)
CIE-LAB	lab(57.27, -5.88, -29.23)
CIE-LCH	lch(57.27, 29.82, 258.62°)
OKLab	oklab(62.89% -0.041 -0.0818)
OKLCH	oklch(62.89% 0.091 243.4)
XYZ	xyz(22.6426, 25.2051, 51.2391)
Luminance	0.2521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FBC #BC8255

analogous

#55BCB6 #558FBC #555BBC

triadic

#558FBC #BC558F #8FBC55

tetradic

#558FBC #B655BC #BC8255 #5BBC55

square

#558FBC #B655BC #BC8255 #5BBC55

split-complementary

#558FBC #BC555B #BCB655

monochromatic

#2B4F6C #3C7098 #558FBC #81ACCD #ADC9DF

Accessibility & contrast

On white

3.48

#558FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#558FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FBC

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FBC	#FFFFFF	#000000	##000000
##558FBC	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBE

Deuteranopia (green-blind)

#6E85BB

Tritanopia (blue-blind)

#0A9A9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #558fbc;
/* rgb */ color: rgb(85, 143, 188);
/* oklch */ color: oklch(62.9% 0.091 243.4);

Tailwind

colors: {
  custom: {
    50: '#8cafd0',
    500: '#558fbc',
    950: '#000000',
  },
}

SCSS

$custom: #558fbc;
$custom-light: #8cafd0;
$custom-dark: #000000;

JSON

{
  "hex": "#558fbc",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 188
  },
  "hsl": {
    "h": 206.214,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.62889,
    "c": 0.09147,
    "h": 243.4
  },
  "luminance": 0.25207
}

Semantic roles & 50–950 ramp

primary

#558FBC

secondary

#CCB4A0

accent

#8C55D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D1014

muted

#7D7F82

Preview Lab

Preview with #558FBC

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

Preview Lab → · Contrast checker → · Palette generator →