#555DDC#555DDC

#555DDC is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.4% C 0.191 H 275.3°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#555DDC
RGB	rgb(85, 93, 220)
HSL	hsl(236, 66%, 60%)
HSV	hsv(236, 61%, 86%)
CMYK	cmyk(61.4%, 57.7%, 0%, 13.7%)
CIE-LAB	lab(45.53, 34.99, -66.11)
CIE-LCH	lch(45.53, 74.80, 297.89°)
OKLab	oklab(54.44% 0.0178 -0.19)
OKLCH	oklch(54.44% 0.191 275.3)
XYZ	xyz(20.5747, 14.9257, 69.4930)
Luminance	0.1493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DDC #DCD455

analogous

#55A1DC #555DDC #9055DC

triadic

#555DDC #DC555D #5DDC55

tetradic

#555DDC #DC55A1 #DCD455 #55DC90

square

#555DDC #DC55A1 #DCD455 #55DC90

split-complementary

#555DDC #DC9055 #A1DC55

monochromatic

#1F2697 #2A33CA #555DDC #888DE6 #BBBEF1

Accessibility & contrast

On white

5.27

#555DDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#555DDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DDC

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DDC	#FFFFFF	#000000	##FFFFFF
##555DDC	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E0

Deuteranopia (green-blind)

#0066D9

Tritanopia (blue-blind)

#007C93

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555ddc;
/* rgb */ color: rgb(85, 93, 220);
/* oklch */ color: oklch(54.4% 0.191 275.3);

Tailwind

colors: {
  custom: {
    50: '#928be8',
    500: '#555ddc',
    950: '#000000',
  },
}

SCSS

$custom: #555ddc;
$custom-light: #928be8;
$custom-dark: #000000;

JSON

{
  "hex": "#555ddc",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 220
  },
  "hsl": {
    "h": 236.444,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.54438,
    "c": 0.19087,
    "h": 275.3
  },
  "luminance": 0.14927
}

Semantic roles & 50–950 ramp

primary

#555DDC

secondary

#E0DDAC

accent

#DF3FE9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555DDC

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

Preview Lab → · Contrast checker → · Palette generator →