#558CD3#558CD3

#558CD3 is a light, vivid cyan. Relative luminance 0.254; OKLCH L 63.4% C 0.122 H 255.5°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#558CD3
RGB	rgb(85, 140, 211)
HSL	hsl(214, 59%, 58%)
HSV	hsv(214, 60%, 83%)
CMYK	cmyk(59.7%, 33.6%, 0%, 17.3%)
CIE-LAB	lab(57.45, 3.23, -41.94)
CIE-LCH	lch(57.45, 42.06, 274.41°)
OKLab	oklab(63.37% -0.0307 -0.1186)
OKLCH	oklch(63.37% 0.123 255.5)
XYZ	xyz(24.8781, 25.3884, 65.2048)
Luminance	0.2539 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CD3 #D39C55

analogous

#55CBD3 #558CD3 #5D55D3

triadic

#558CD3 #D3558C #8CD355

tetradic

#558CD3 #D355CB #D39C55 #55D35D

square

#558CD3 #D355CB #D39C55 #55D35D

split-complementary

#558CD3 #D35D55 #CBD355

monochromatic

#24508A #306DBB #558CD3 #86ADE0 #B6CEEC

Accessibility & contrast

On white

3.45

#558CD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#558CD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CD3

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CD3	#FFFFFF	#000000	##000000
##558CD3	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E91D6

Deuteranopia (green-blind)

#5D85D2

Tritanopia (blue-blind)

#009CA6

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558cd3;
/* rgb */ color: rgb(85, 140, 211);
/* oklch */ color: oklch(63.4% 0.122 255.5);

Tailwind

colors: {
  custom: {
    50: '#8fade1',
    500: '#558cd3',
    950: '#000000',
  },
}

SCSS

$custom: #558cd3;
$custom-light: #8fade1;
$custom-dark: #000000;

JSON

{
  "hex": "#558cd3",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 211
  },
  "hsl": {
    "h": 213.81,
    "s": 58.879,
    "l": 58.039
  },
  "oklch": {
    "l": 0.63369,
    "c": 0.1225,
    "h": 255.5
  },
  "luminance": 0.25391
}

Semantic roles & 50–950 ramp

primary

#558CD3

secondary

#DBC5A9

accent

#9E46E2

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558CD3

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

Preview Lab → · Contrast checker → · Palette generator →