#558CBC#558CBC

#558CBC is a light, moderate cyan. Relative luminance 0.243; OKLCH L 62.2% C 0.094 H 246.3°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#558CBC
RGB	rgb(85, 140, 188)
HSL	hsl(208, 43%, 54%)
HSV	hsv(208, 55%, 74%)
CMYK	cmyk(54.8%, 25.5%, 0%, 26.3%)
CIE-LAB	lab(56.40, -4.17, -30.58)
CIE-LCH	lch(56.40, 30.86, 262.24°)
OKLab	oklab(62.2% -0.0375 -0.0857)
OKLCH	oklch(62.2% 0.094 246.3)
XYZ	xyz(22.1982, 24.3165, 51.0910)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CBC #BC8555

analogous

#55BCB8 #558CBC #5558BC

triadic

#558CBC #BC558C #8CBC55

tetradic

#558CBC #B855BC #BC8555 #58BC55

square

#558CBC #B855BC #BC8555 #58BC55

split-complementary

#558CBC #BC5558 #BCB855

monochromatic

#2B4E6C #3C6D98 #558CBC #81AACD #ADC7DF

Accessibility & contrast

On white

3.58

#558CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#558CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CBC

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CBC	#FFFFFF	#000000	##000000
##558CBC	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBE

Deuteranopia (green-blind)

#6A83BB

Tritanopia (blue-blind)

#0D979C

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558cbc;
/* rgb */ color: rgb(85, 140, 188);
/* oklch */ color: oklch(62.2% 0.094 246.3);

Tailwind

colors: {
  custom: {
    50: '#8cadd0',
    500: '#558cbc',
    950: '#000000',
  },
}

SCSS

$custom: #558cbc;
$custom-light: #8cadd0;
$custom-dark: #000000;

JSON

{
  "hex": "#558cbc",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 188
  },
  "hsl": {
    "h": 207.961,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.62201,
    "c": 0.09353,
    "h": 246.3
  },
  "luminance": 0.24318
}

Semantic roles & 50–950 ramp

primary

#558CBC

secondary

#CCB5A0

accent

#9055D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D1014

muted

#7D7F82

Preview Lab

Preview with #558CBC

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

Preview Lab → · Contrast checker → · Palette generator →