#558DD8#558DD8

#558DD8 is a light, vivid cyan. Relative luminance 0.259; OKLCH L 63.9% C 0.128 H 256.2°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#558DD8
RGB	rgb(85, 141, 216)
HSL	hsl(214, 63%, 59%)
HSV	hsv(214, 61%, 85%)
CMYK	cmyk(60.6%, 34.7%, 0%, 15.3%)
CIE-LAB	lab(57.98, 4.29, -43.91)
CIE-LCH	lch(57.98, 44.12, 275.58°)
OKLab	oklab(63.86% -0.0305 -0.1243)
OKLCH	oklch(63.86% 0.128 256.2)
XYZ	xyz(25.6614, 25.9366, 68.6064)
Luminance	0.2594 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DD8 #D8A055

analogous

#55CFD8 #558DD8 #5F55D8

triadic

#558DD8 #D8558D #8DD855

tetradic

#558DD8 #D855CF #D8A055 #55D85F

square

#558DD8 #D855CF #D8A055 #55D85F

split-complementary

#558DD8 #D85F55 #CFD855

monochromatic

#215191 #2D6DC3 #558DD8 #87AEE3 #B9D0EF

Accessibility & contrast

On white

3.39

#558DD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#558DD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DD8

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DD8	#FFFFFF	#000000	##000000
##558DD8	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D92DB

Deuteranopia (green-blind)

#5C86D6

Tritanopia (blue-blind)

#009EA8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558dd8;
/* rgb */ color: rgb(85, 141, 216);
/* oklch */ color: oklch(63.9% 0.128 256.2);

Tailwind

colors: {
  custom: {
    50: '#90aee4',
    500: '#558dd8',
    950: '#000000',
  },
}

SCSS

$custom: #558dd8;
$custom-light: #90aee4;
$custom-dark: #000000;

JSON

{
  "hex": "#558dd8",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 216
  },
  "hsl": {
    "h": 214.351,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.63859,
    "c": 0.12803,
    "h": 256.2
  },
  "luminance": 0.25939
}

Semantic roles & 50–950 ramp

primary

#558DD8

secondary

#DEC8AB

accent

#A042E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #558DD8

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

Preview Lab → · Contrast checker → · Palette generator →