#558DD4#558DD4

#558DD4 is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.6% C 0.123 H 255.1°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#558DD4
RGB	rgb(85, 141, 212)
HSL	hsl(214, 60%, 58%)
HSV	hsv(214, 60%, 83%)
CMYK	cmyk(59.9%, 33.5%, 0%, 16.9%)
CIE-LAB	lab(57.78, 2.98, -41.98)
CIE-LCH	lch(57.78, 42.08, 274.05°)
OKLab	oklab(63.64% -0.0316 -0.1187)
OKLCH	oklch(63.64% 0.123 255.1)
XYZ	xyz(25.1506, 25.7323, 65.9160)
Luminance	0.2574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DD4 #D49C55

analogous

#55CCD4 #558DD4 #5C55D4

triadic

#558DD4 #D4558D #8DD455

tetradic

#558DD4 #D455CC #D49C55 #55D45C

square

#558DD4 #D455CC #D49C55 #55D45C

split-complementary

#558DD4 #D45C55 #CCD455

monochromatic

#23518B #306EBC #558DD4 #86AEE0 #B7CFED

Accessibility & contrast

On white

3.42

#558DD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#558DD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DD4

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DD4	#FFFFFF	#000000	##000000
##558DD4	1.00	3.42	6.15	6.15
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F91D7

Deuteranopia (green-blind)

#5E85D3

Tritanopia (blue-blind)

#009DA7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558dd4;
/* rgb */ color: rgb(85, 141, 212);
/* oklch */ color: oklch(63.6% 0.123 255.1);

Tailwind

colors: {
  custom: {
    50: '#8faee1',
    500: '#558dd4',
    950: '#000000',
  },
}

SCSS

$custom: #558dd4;
$custom-light: #8faee1;
$custom-dark: #000000;

JSON

{
  "hex": "#558dd4",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 212
  },
  "hsl": {
    "h": 213.543,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.63643,
    "c": 0.12282,
    "h": 255.1
  },
  "luminance": 0.25735
}

Semantic roles & 50–950 ramp

primary

#558DD4

secondary

#DCC5A9

accent

#9D45E3

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558DD4

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

Preview Lab → · Contrast checker → · Palette generator →