#558AD3#558AD3

#558AD3 is a light, vivid cyan. Relative luminance 0.248; OKLCH L 62.9% C 0.125 H 256.7°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#558AD3
RGB	rgb(85, 138, 211)
HSL	hsl(215, 59%, 58%)
HSV	hsv(215, 60%, 83%)
CMYK	cmyk(59.7%, 34.6%, 0%, 17.3%)
CIE-LAB	lab(56.89, 4.41, -42.82)
CIE-LCH	lch(56.89, 43.05, 275.89°)
OKLab	oklab(62.93% -0.0286 -0.1212)
OKLCH	oklch(62.93% 0.125 256.7)
XYZ	xyz(24.5885, 24.8092, 65.1083)
Luminance	0.2481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AD3 #D39E55

analogous

#55C9D3 #558AD3 #5F55D3

triadic

#558AD3 #D3558A #8AD355

tetradic

#558AD3 #D355C9 #D39E55 #55D35F

square

#558AD3 #D355C9 #D39E55 #55D35F

split-complementary

#558AD3 #D35F55 #C9D355

monochromatic

#244F8A #306ABB #558AD3 #86ABE0 #B6CDEC

Accessibility & contrast

On white

3.52

#558AD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#558AD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AD3

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AD3	#FFFFFF	#000000	##000000
##558AD3	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8FD6

Deuteranopia (green-blind)

#5B83D1

Tritanopia (blue-blind)

#009BA5

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558ad3;
/* rgb */ color: rgb(85, 138, 211);
/* oklch */ color: oklch(62.9% 0.125 256.7);

Tailwind

colors: {
  custom: {
    50: '#8fabe1',
    500: '#558ad3',
    950: '#000000',
  },
}

SCSS

$custom: #558ad3;
$custom-light: #8fabe1;
$custom-dark: #000000;

JSON

{
  "hex": "#558ad3",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 211
  },
  "hsl": {
    "h": 214.762,
    "s": 58.879,
    "l": 58.039
  },
  "oklch": {
    "l": 0.6293,
    "c": 0.12452,
    "h": 256.7
  },
  "luminance": 0.24811
}

Semantic roles & 50–950 ramp

primary

#558AD3

secondary

#DBC6A9

accent

#A046E2

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558AD3

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

Preview Lab → · Contrast checker → · Palette generator →