#558DEA#558DEA

#558DEA is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.9% C 0.152 H 260.0°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#558DEA
RGB	rgb(85, 141, 234)
HSL	hsl(217, 78%, 63%)
HSV	hsv(217, 64%, 92%)
CMYK	cmyk(63.7%, 39.7%, 0%, 8.2%)
CIE-LAB	lab(58.90, 10.31, -52.48)
CIE-LCH	lch(58.90, 53.49, 281.12°)
OKLab	oklab(64.88% -0.0264 -0.1494)
OKLCH	oklch(64.88% 0.152 260)
XYZ	xyz(28.1172, 26.9189, 81.5400)
Luminance	0.2692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DEA #EAB255

analogous

#55D7EA #558DEA #6855EA

triadic

#558DEA #EA558D #8DEA55

tetradic

#558DEA #EA55D7 #EAB255 #55EA68

square

#558DEA #EA55D7 #EAB255 #55EA68

split-complementary

#558DEA #EA6855 #D7EA55

monochromatic

#164FAF #1F68E3 #558DEA #8BB2F1 #C2D6F7

Accessibility & contrast

On white

3.29

#558DEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#558DEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DEA

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DEA	#FFFFFF	#000000	##000000
##558DEA	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6395EE

Deuteranopia (green-blind)

#4D87E8

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558dea;
/* rgb */ color: rgb(85, 141, 234);
/* oklch */ color: oklch(64.9% 0.152 260.0);

Tailwind

colors: {
  custom: {
    50: '#92adf1',
    500: '#558dea',
    950: '#000000',
  },
}

SCSS

$custom: #558dea;
$custom-light: #92adf1;
$custom-dark: #000000;

JSON

{
  "hex": "#558dea",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 234
  },
  "hsl": {
    "h": 217.45,
    "s": 78.01,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64877,
    "c": 0.15172,
    "h": 260
  },
  "luminance": 0.26922
}

Semantic roles & 50–950 ramp

primary

#558DEA

secondary

#E8D4B2

accent

#8C0BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558DEA

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

Preview Lab → · Contrast checker → · Palette generator →