#558CD8#558CD8

#558CD8 is a light, vivid cyan. Relative luminance 0.256; OKLCH L 63.6% C 0.129 H 256.8°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#558CD8
RGB	rgb(85, 140, 216)
HSL	hsl(215, 63%, 59%)
HSV	hsv(215, 61%, 85%)
CMYK	cmyk(60.6%, 35.2%, 0%, 15.3%)
CIE-LAB	lab(57.70, 4.88, -44.36)
CIE-LCH	lch(57.70, 44.63, 276.28°)
OKLab	oklab(63.64% -0.0295 -0.1256)
OKLCH	oklch(63.64% 0.129 256.8)
XYZ	xyz(25.5147, 25.6430, 68.5574)
Luminance	0.2565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CD8 #D8A155

analogous

#55CED8 #558CD8 #6055D8

triadic

#558CD8 #D8558C #8CD855

tetradic

#558CD8 #D855CE #D8A155 #55D860

square

#558CD8 #D855CE #D8A155 #55D860

split-complementary

#558CD8 #D86055 #CED855

monochromatic

#215091 #2D6CC3 #558CD8 #87AEE3 #B9CFEF

Accessibility & contrast

On white

3.43

#558CD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#558CD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CD8

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CD8	#FFFFFF	#000000	##000000
##558CD8	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C91DB

Deuteranopia (green-blind)

#5A85D6

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558cd8;
/* rgb */ color: rgb(85, 140, 216);
/* oklch */ color: oklch(63.6% 0.129 256.8);

Tailwind

colors: {
  custom: {
    50: '#90ade4',
    500: '#558cd8',
    950: '#000000',
  },
}

SCSS

$custom: #558cd8;
$custom-light: #90ade4;
$custom-dark: #000000;

JSON

{
  "hex": "#558cd8",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 216
  },
  "hsl": {
    "h": 214.809,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.6364,
    "c": 0.12905,
    "h": 256.8
  },
  "luminance": 0.25645
}

Semantic roles & 50–950 ramp

primary

#558CD8

secondary

#DEC9AB

accent

#A142E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #558CD8

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

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