#558DDA#558DDA

#558DDA is a light, vivid cyan. Relative luminance 0.260; OKLCH L 64.0% C 0.131 H 256.7°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#558DDA
RGB	rgb(85, 141, 218)
HSL	hsl(215, 64%, 59%)
HSV	hsv(215, 61%, 85%)
CMYK	cmyk(61%, 35.3%, 0%, 14.5%)
CIE-LAB	lab(58.08, 4.96, -44.88)
CIE-LCH	lch(58.08, 45.15, 276.30°)
OKLab	oklab(63.97% -0.03 -0.1272)
OKLCH	oklch(63.97% 0.131 256.7)
XYZ	xyz(25.9216, 26.0406, 69.9764)
Luminance	0.2604 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DDA #DAA255

analogous

#55CFDA #558DDA #6055DA

triadic

#558DDA #DA558D #8DDA55

tetradic

#558DDA #DA55CF #DAA255 #55DA60

square

#558DDA #DA55CF #DAA255 #55DA60

split-complementary

#558DDA #DA6055 #CFDA55

monochromatic

#205194 #2B6DC7 #558DDA #87AFE5 #BAD0F0

Accessibility & contrast

On white

3.38

#558DDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#558DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DDA

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DDA	#FFFFFF	#000000	##000000
##558DDA	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C92DD

Deuteranopia (green-blind)

#5A86D8

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558dda;
/* rgb */ color: rgb(85, 141, 218);
/* oklch */ color: oklch(64.0% 0.131 256.7);

Tailwind

colors: {
  custom: {
    50: '#90aee6',
    500: '#558dda',
    950: '#000000',
  },
}

SCSS

$custom: #558dda;
$custom-light: #90aee6;
$custom-dark: #000000;

JSON

{
  "hex": "#558dda",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 218
  },
  "hsl": {
    "h": 214.737,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63968,
    "c": 0.13065,
    "h": 256.7
  },
  "luminance": 0.26043
}

Semantic roles & 50–950 ramp

primary

#558DDA

secondary

#DFC9AB

accent

#A141E7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558DDA

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

Preview Lab → · Contrast checker → · Palette generator →