#558DD5#558DD5

#558DD5 is a light, vivid cyan. Relative luminance 0.258; OKLCH L 63.7% C 0.124 H 255.4°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#558DD5
RGB	rgb(85, 141, 213)
HSL	hsl(214, 60%, 58%)
HSV	hsv(214, 60%, 84%)
CMYK	cmyk(60.1%, 33.8%, 0%, 16.5%)
CIE-LAB	lab(57.83, 3.30, -42.46)
CIE-LCH	lch(57.83, 42.59, 274.45°)
OKLab	oklab(63.7% -0.0313 -0.1201)
OKLCH	oklch(63.7% 0.124 255.4)
XYZ	xyz(25.2771, 25.7829, 66.5824)
Luminance	0.2579 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DD5 #D59D55

analogous

#55CDD5 #558DD5 #5D55D5

triadic

#558DD5 #D5558D #8DD555

tetradic

#558DD5 #D555CD #D59D55 #55D55D

square

#558DD5 #D555CD #D59D55 #55D55D

split-complementary

#558DD5 #D55D55 #CDD555

monochromatic

#23518D #2F6DBE #558DD5 #86AEE1 #B7CFED

Accessibility & contrast

On white

3.41

#558DD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#558DD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DD5

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DD5	#FFFFFF	#000000	##000000
##558DD5	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F92D8

Deuteranopia (green-blind)

#5E85D4

Tritanopia (blue-blind)

#009DA7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558dd5;
/* rgb */ color: rgb(85, 141, 213);
/* oklch */ color: oklch(63.7% 0.124 255.4);

Tailwind

colors: {
  custom: {
    50: '#8faee2',
    500: '#558dd5',
    950: '#000000',
  },
}

SCSS

$custom: #558dd5;
$custom-light: #8faee2;
$custom-dark: #000000;

JSON

{
  "hex": "#558dd5",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 213
  },
  "hsl": {
    "h": 213.75,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.63696,
    "c": 0.12412,
    "h": 255.4
  },
  "luminance": 0.25785
}

Semantic roles & 50–950 ramp

primary

#558DD5

secondary

#DCC6A9

accent

#9E44E4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558DD5

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

Preview Lab → · Contrast checker → · Palette generator →