#555ED1#555ED1

#555ED1 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.8% C 0.175 H 275.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#555ED1
RGB	rgb(85, 94, 209)
HSL	hsl(236, 57%, 58%)
HSV	hsv(236, 59%, 82%)
CMYK	cmyk(59.3%, 55%, 0%, 18%)
CIE-LAB	lab(45.00, 30.74, -60.70)
CIE-LCH	lch(45.00, 68.03, 296.86°)
OKLab	oklab(53.79% 0.0167 -0.1741)
OKLCH	oklch(53.79% 0.175 275.5)
XYZ	xyz(19.2539, 14.5387, 62.1009)
Luminance	0.1454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555ED1 #D1C855

analogous

#559CD1 #555ED1 #8A55D1

triadic

#555ED1 #D1555E #5ED155

tetradic

#555ED1 #D1559C #D1C855 #55D18A

square

#555ED1 #D1559C #D1C855 #55D18A

split-complementary

#555ED1 #D18A55 #9CD155

monochromatic

#252C87 #323BB7 #555ED1 #858CDE #B5B9EB

Accessibility & contrast

On white

5.37

#555ED1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#555ED1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555ED1

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555ED1	#FFFFFF	#000000	##FFFFFF
##555ED1	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0370D5

Deuteranopia (green-blind)

#0065CF

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555ed1;
/* rgb */ color: rgb(85, 94, 209);
/* oklch */ color: oklch(53.8% 0.175 275.5);

Tailwind

colors: {
  custom: {
    50: '#908be0',
    500: '#555ed1',
    950: '#000000',
  },
}

SCSS

$custom: #555ed1;
$custom-light: #908be0;
$custom-dark: #000000;

JSON

{
  "hex": "#555ed1",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 209
  },
  "hsl": {
    "h": 235.645,
    "s": 57.407,
    "l": 57.647
  },
  "oklch": {
    "l": 0.53792,
    "c": 0.17492,
    "h": 275.5
  },
  "luminance": 0.1454
}

Semantic roles & 50–950 ramp

primary

#555ED1

secondary

#DAD6A8

accent

#D647E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #555ED1

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

Preview Lab → · Contrast checker → · Palette generator →