#558BEB#558BEB

#558BEB is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.5% C 0.155 H 261.0°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#558BEB
RGB	rgb(85, 139, 235)
HSL	hsl(218, 79%, 63%)
HSV	hsv(218, 64%, 92%)
CMYK	cmyk(63.8%, 40.9%, 0%, 7.8%)
CIE-LAB	lab(58.41, 11.85, -53.82)
CIE-LCH	lch(58.41, 55.11, 282.42°)
OKLab	oklab(64.51% -0.0242 -0.1534)
OKLCH	oklch(64.51% 0.155 261)
XYZ	xyz(27.9690, 26.3920, 82.2014)
Luminance	0.2640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BEB #EBB555

analogous

#55D6EB #558BEB #6A55EB

triadic

#558BEB #EB558B #8BEB55

tetradic

#558BEB #EB55D6 #EBB555 #55EB6A

square

#558BEB #EB55D6 #EBB555 #55EB6A

split-complementary

#558BEB #EB6A55 #D6EB55

monochromatic

#154DB1 #1E66E5 #558BEB #8CB0F1 #C3D6F8

Accessibility & contrast

On white

3.34

#558BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#558BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BEB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BEB	#FFFFFF	#000000	##000000
##558BEB	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F94EF

Deuteranopia (green-blind)

#4986E9

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558beb;
/* rgb */ color: rgb(85, 139, 235);
/* oklch */ color: oklch(64.5% 0.155 261.0);

Tailwind

colors: {
  custom: {
    50: '#92acf2',
    500: '#558beb',
    950: '#000000',
  },
}

SCSS

$custom: #558beb;
$custom-light: #92acf2;
$custom-dark: #000000;

JSON

{
  "hex": "#558beb",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 235
  },
  "hsl": {
    "h": 218.4,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64513,
    "c": 0.15526,
    "h": 261
  },
  "luminance": 0.26395
}

Semantic roles & 50–950 ramp

primary

#558BEB

secondary

#E9D5B3

accent

#900ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558BEB

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

Preview Lab → · Contrast checker → · Palette generator →