#558BBC#558BBC

#558BBC is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 62.0% C 0.094 H 247.3°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#558BBC
RGB	rgb(85, 139, 188)
HSL	hsl(209, 43%, 54%)
HSV	hsv(209, 55%, 74%)
CMYK	cmyk(54.8%, 26.1%, 0%, 26.3%)
CIE-LAB	lab(56.11, -3.59, -31.03)
CIE-LCH	lch(56.11, 31.24, 263.40°)
OKLab	oklab(61.97% -0.0364 -0.087)
OKLCH	oklch(61.97% 0.094 247.3)
XYZ	xyz(22.0528, 24.0255, 51.0425)
Luminance	0.2403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BBC #BC8655

analogous

#55BCBA #558BBC #5557BC

triadic

#558BBC #BC558B #8BBC55

tetradic

#558BBC #BA55BC #BC8655 #57BC55

square

#558BBC #BA55BC #BC8655 #57BC55

split-complementary

#558BBC #BC5557 #BCBA55

monochromatic

#2B4D6C #3C6C98 #558BBC #81A9CD #ADC7DF

Accessibility & contrast

On white

3.62

#558BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#558BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BBC

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BBC	#FFFFFF	#000000	##000000
##558BBC	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768CBE

Deuteranopia (green-blind)

#6982BB

Tritanopia (blue-blind)

#0E979C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #558bbc;
/* rgb */ color: rgb(85, 139, 188);
/* oklch */ color: oklch(62.0% 0.094 247.3);

Tailwind

colors: {
  custom: {
    50: '#8cacd0',
    500: '#558bbc',
    950: '#000000',
  },
}

SCSS

$custom: #558bbc;
$custom-light: #8cacd0;
$custom-dark: #000000;

JSON

{
  "hex": "#558bbc",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 188
  },
  "hsl": {
    "h": 208.544,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61973,
    "c": 0.09427,
    "h": 247.3
  },
  "luminance": 0.24027
}

Semantic roles & 50–950 ramp

primary

#558BBC

secondary

#CCB5A0

accent

#9155D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D1014

muted

#7D7F82

Preview Lab

Preview with #558BBC

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

Preview Lab → · Contrast checker → · Palette generator →