#558EED#558EED

#558EED is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.3% C 0.155 H 260.0°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#558EED
RGB	rgb(85, 142, 237)
HSL	hsl(218, 81%, 63%)
HSV	hsv(218, 64%, 93%)
CMYK	cmyk(64.1%, 40.1%, 0%, 7.1%)
CIE-LAB	lab(59.33, 10.73, -53.46)
CIE-LCH	lch(59.33, 54.52, 281.35°)
OKLab	oklab(65.27% -0.0267 -0.1522)
OKLCH	oklch(65.27% 0.155 260)
XYZ	xyz(28.6999, 27.3890, 83.8785)
Luminance	0.2739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EED #EDB455

analogous

#55DAED #558EED #6855ED

triadic

#558EED #ED558E #8EED55

tetradic

#558EED #ED55DA #EDB455 #55ED68

square

#558EED #ED55DA #EDB455 #55ED68

split-complementary

#558EED #ED6855 #DAED55

monochromatic

#1350B4 #1E69E7 #558EED #8CB3F3 #C4D8F9

Accessibility & contrast

On white

3.24

#558EED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#558EED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EED

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EED	#FFFFFF	#000000	##000000
##558EED	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6396F1

Deuteranopia (green-blind)

#4C88EB

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #558eed;
/* rgb */ color: rgb(85, 142, 237);
/* oklch */ color: oklch(65.3% 0.155 260.0);

Tailwind

colors: {
  custom: {
    50: '#93aef3',
    500: '#558eed',
    950: '#000000',
  },
}

SCSS

$custom: #558eed;
$custom-light: #93aef3;
$custom-dark: #000000;

JSON

{
  "hex": "#558eed",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 237
  },
  "hsl": {
    "h": 217.5,
    "s": 80.851,
    "l": 63.137
  },
  "oklch": {
    "l": 0.65265,
    "c": 0.15458,
    "h": 260
  },
  "luminance": 0.27392
}

Semantic roles & 50–950 ramp

primary

#558EED

secondary

#EAD6B4

accent

#8D08DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558EED

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

Preview Lab → · Contrast checker → · Palette generator →