#555ED3#555ED3

#555ED3 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.9% C 0.178 H 275.4°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#555ED3
RGB	rgb(85, 94, 211)
HSL	hsl(236, 59%, 58%)
HSV	hsv(236, 60%, 83%)
CMYK	cmyk(59.7%, 55.5%, 0%, 17.3%)
CIE-LAB	lab(45.13, 31.40, -61.62)
CIE-LCH	lch(45.13, 69.16, 297.00°)
OKLab	oklab(53.94% 0.0167 -0.1768)
OKLCH	oklch(53.94% 0.178 275.4)
XYZ	xyz(19.5031, 14.6383, 63.4131)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555ED3 #D3CA55

analogous

#559DD3 #555ED3 #8B55D3

triadic

#555ED3 #D3555E #5ED355

tetradic

#555ED3 #D3559D #D3CA55 #55D38B

square

#555ED3 #D3559D #D3CA55 #55D38B

split-complementary

#555ED3 #D38B55 #9DD355

monochromatic

#242B8A #303ABB #555ED3 #868CE0 #B6BAEC

Accessibility & contrast

On white

5.35

#555ED3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#555ED3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555ED3

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555ED3	#FFFFFF	#000000	##FFFFFF
##555ED3	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D7

Deuteranopia (green-blind)

#0066D1

Tritanopia (blue-blind)

#007A8F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #555ed3;
/* rgb */ color: rgb(85, 94, 211);
/* oklch */ color: oklch(53.9% 0.178 275.4);

Tailwind

colors: {
  custom: {
    50: '#908be1',
    500: '#555ed3',
    950: '#000000',
  },
}

SCSS

$custom: #555ed3;
$custom-light: #908be1;
$custom-dark: #000000;

JSON

{
  "hex": "#555ed3",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 211
  },
  "hsl": {
    "h": 235.714,
    "s": 58.879,
    "l": 58.039
  },
  "oklch": {
    "l": 0.5394,
    "c": 0.17761,
    "h": 275.4
  },
  "luminance": 0.1464
}

Semantic roles & 50–950 ramp

primary

#555ED3

secondary

#DBD7A9

accent

#D746E2

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #555ED3

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

Preview Lab → · Contrast checker → · Palette generator →