#555DD4#555DD4

#555DD4 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.8% C 0.180 H 275.6°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#555DD4
RGB	rgb(85, 93, 212)
HSL	hsl(236, 60%, 58%)
HSV	hsv(236, 60%, 83%)
CMYK	cmyk(59.9%, 56.1%, 0%, 16.9%)
CIE-LAB	lab(44.96, 32.35, -62.47)
CIE-LCH	lch(44.96, 70.35, 297.37°)
OKLab	oklab(53.83% 0.0177 -0.1794)
OKLCH	oklch(53.83% 0.18 275.6)
XYZ	xyz(19.5405, 14.5120, 64.0460)
Luminance	0.1451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DD4 #D4CC55

analogous

#559DD4 #555DD4 #8C55D4

triadic

#555DD4 #D4555D #5DD455

tetradic

#555DD4 #D4559D #D4CC55 #55D48C

square

#555DD4 #D4559D #D4CC55 #55D48C

split-complementary

#555DD4 #D48C55 #9DD455

monochromatic

#232A8B #3038BC #555DD4 #868CE0 #B7BAED

Accessibility & contrast

On white

5.38

#555DD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#555DD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DD4

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DD4	#FFFFFF	#000000	##FFFFFF
##555DD4	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D8

Deuteranopia (green-blind)

#0065D2

Tritanopia (blue-blind)

#00798F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555dd4;
/* rgb */ color: rgb(85, 93, 212);
/* oklch */ color: oklch(53.8% 0.180 275.6);

Tailwind

colors: {
  custom: {
    50: '#908be2',
    500: '#555dd4',
    950: '#000000',
  },
}

SCSS

$custom: #555dd4;
$custom-light: #908be2;
$custom-dark: #000000;

JSON

{
  "hex": "#555dd4",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 212
  },
  "hsl": {
    "h": 236.22,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.53831,
    "c": 0.18023,
    "h": 275.6
  },
  "luminance": 0.14513
}

Semantic roles & 50–950 ramp

primary

#555DD4

secondary

#DCD9A9

accent

#D945E3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #555DD4

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

Preview Lab → · Contrast checker → · Palette generator →