#558DEB#558DEB

#558DEB is a light, vivid blue. Relative luminance 0.270; OKLCH L 64.9% C 0.153 H 260.2°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#558DEB
RGB	rgb(85, 141, 235)
HSL	hsl(218, 79%, 63%)
HSV	hsv(218, 64%, 92%)
CMYK	cmyk(63.8%, 40%, 0%, 7.8%)
CIE-LAB	lab(58.95, 10.65, -52.95)
CIE-LCH	lch(58.95, 54.02, 281.37°)
OKLab	oklab(64.94% -0.0261 -0.1508)
OKLCH	oklch(64.94% 0.153 260.2)
XYZ	xyz(28.2613, 26.9765, 82.2988)
Luminance	0.2698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DEB #EBB355

analogous

#55D8EB #558DEB #6855EB

triadic

#558DEB #EB558D #8DEB55

tetradic

#558DEB #EB55D8 #EBB355 #55EB68

square

#558DEB #EB55D8 #EBB355 #55EB68

split-complementary

#558DEB #EB6855 #D8EB55

monochromatic

#154FB1 #1E68E5 #558DEB #8CB2F1 #C3D6F8

Accessibility & contrast

On white

3.28

#558DEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#558DEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DEB

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DEB	#FFFFFF	#000000	##000000
##558DEB	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6395EF

Deuteranopia (green-blind)

#4C87E9

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558deb;
/* rgb */ color: rgb(85, 141, 235);
/* oklch */ color: oklch(64.9% 0.153 260.2);

Tailwind

colors: {
  custom: {
    50: '#92adf2',
    500: '#558deb',
    950: '#000000',
  },
}

SCSS

$custom: #558deb;
$custom-light: #92adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#558deb",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 235
  },
  "hsl": {
    "h": 217.6,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64935,
    "c": 0.15304,
    "h": 260.2
  },
  "luminance": 0.26979
}

Semantic roles & 50–950 ramp

primary

#558DEB

secondary

#E9D5B3

accent

#8D0ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558DEB

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

Preview Lab → · Contrast checker → · Palette generator →