#555DD5#555DD5

#555DD5 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.9% C 0.182 H 275.6°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#555DD5
RGB	rgb(85, 93, 213)
HSL	hsl(236, 60%, 58%)
HSV	hsv(236, 60%, 84%)
CMYK	cmyk(60.1%, 56.3%, 0%, 16.5%)
CIE-LAB	lab(45.03, 32.68, -62.93)
CIE-LCH	lch(45.03, 70.91, 297.44°)
OKLab	oklab(53.91% 0.0177 -0.1807)
OKLCH	oklch(53.91% 0.182 275.6)
XYZ	xyz(19.6670, 14.5626, 64.7124)
Luminance	0.1456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DD5 #D5CD55

analogous

#559DD5 #555DD5 #8D55D5

triadic

#555DD5 #D5555D #5DD555

tetradic

#555DD5 #D5559D #D5CD55 #55D58D

square

#555DD5 #D5559D #D5CD55 #55D58D

split-complementary

#555DD5 #D58D55 #9DD555

monochromatic

#23298D #2F38BE #555DD5 #868CE1 #B7BBED

Accessibility & contrast

On white

5.37

#555DD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#555DD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DD5

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DD5	#FFFFFF	#000000	##FFFFFF
##555DD5	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)

#0070D9

Deuteranopia (green-blind)

#0065D3

Tritanopia (blue-blind)

#007A90

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #555dd5;
/* rgb */ color: rgb(85, 93, 213);
/* oklch */ color: oklch(53.9% 0.182 275.6);

Tailwind

colors: {
  custom: {
    50: '#918be3',
    500: '#555dd5',
    950: '#000000',
  },
}

SCSS

$custom: #555dd5;
$custom-light: #918be3;
$custom-dark: #000000;

JSON

{
  "hex": "#555dd5",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 213
  },
  "hsl": {
    "h": 236.25,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.53906,
    "c": 0.18157,
    "h": 275.6
  },
  "luminance": 0.14564
}

Semantic roles & 50–950 ramp

primary

#555DD5

secondary

#DCD9A9

accent

#DA44E4

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C15

muted

#7E7D84

Preview Lab

Preview with #555DD5

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

Preview Lab → · Contrast checker → · Palette generator →