#555DD0#555DD0

#555DD0 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.5% C 0.175 H 275.8°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#555DD0
RGB	rgb(85, 93, 208)
HSL	hsl(236, 57%, 57%)
HSV	hsv(236, 59%, 82%)
CMYK	cmyk(59.1%, 55.3%, 0%, 18.4%)
CIE-LAB	lab(44.68, 31.03, -60.64)
CIE-LCH	lch(44.68, 68.11, 297.10°)
OKLab	oklab(53.53% 0.0176 -0.1739)
OKLCH	oklch(53.53% 0.175 275.8)
XYZ	xyz(19.0421, 14.3126, 61.4214)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DD0 #D0C855

analogous

#559AD0 #555DD0 #8B55D0

triadic

#555DD0 #D0555D #5DD055

tetradic

#555DD0 #D0559A #D0C855 #55D08B

square

#555DD0 #D0559A #D0C855 #55D08B

split-complementary

#555DD0 #D08B55 #9AD055

monochromatic

#252B86 #323BB6 #555DD0 #858BDD #B5B8EB

Accessibility & contrast

On white

5.44

#555DD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#555DD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DD0

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DD0	#FFFFFF	#000000	##FFFFFF
##555DD0	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD4

Deuteranopia (green-blind)

#0065CE

Tritanopia (blue-blind)

#00788D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555dd0;
/* rgb */ color: rgb(85, 93, 208);
/* oklch */ color: oklch(53.5% 0.175 275.8);

Tailwind

colors: {
  custom: {
    50: '#908adf',
    500: '#555dd0',
    950: '#000000',
  },
}

SCSS

$custom: #555dd0;
$custom-light: #908adf;
$custom-dark: #000000;

JSON

{
  "hex": "#555dd0",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 208
  },
  "hsl": {
    "h": 236.098,
    "s": 56.682,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53533,
    "c": 0.17484,
    "h": 275.8
  },
  "luminance": 0.14314
}

Semantic roles & 50–950 ramp

primary

#555DD0

secondary

#D9D6A8

accent

#D648E0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #555DD0

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

Preview Lab → · Contrast checker → · Palette generator →