#5550D4#5550D4

#5550D4 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.6% C 0.196 H 278.7°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#5550D4
RGB	rgb(85, 80, 212)
HSL	hsl(242, 61%, 57%)
HSV	hsv(242, 62%, 83%)
CMYK	cmyk(59.9%, 62.3%, 0%, 16.9%)
CIE-LAB	lab(41.88, 40.27, -67.48)
CIE-LCH	lch(41.88, 78.58, 300.83°)
OKLab	oklab(51.55% 0.0296 -0.1942)
OKLCH	oklch(51.55% 0.196 278.7)
XYZ	xyz(18.4948, 12.4207, 63.6974)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550D4 #CFD450

analogous

#508DD4 #5550D4 #9750D4

triadic

#5550D4 #D45550 #50D455

tetradic

#5550D4 #D4508D #CFD450 #50D497

square

#5550D4 #D4508D #CFD450 #50D497

split-complementary

#5550D4 #D49750 #8DD450

monochromatic

#252188 #332EB9 #5550D4 #8581E0 #B4B2EC

Accessibility & contrast

On white

6.03

#5550D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#5550D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550D4

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550D4	#FFFFFF	#000000	##FFFFFF
##5550D4	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D8

Deuteranopia (green-blind)

#005DD1

Tritanopia (blue-blind)

#00718A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5550d4;
/* rgb */ color: rgb(85, 80, 212);
/* oklch */ color: oklch(51.6% 0.196 278.7);

Tailwind

colors: {
  custom: {
    50: '#9181e2',
    500: '#5550d4',
    950: '#000000',
  },
}

SCSS

$custom: #5550d4;
$custom-light: #9181e2;
$custom-dark: #000000;

JSON

{
  "hex": "#5550d4",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 212
  },
  "hsl": {
    "h": 242.273,
    "s": 60.55,
    "l": 57.255
  },
  "oklch": {
    "l": 0.51555,
    "c": 0.19641,
    "h": 278.7
  },
  "luminance": 0.12422
}

Semantic roles & 50–950 ramp

primary

#5550D4

secondary

#D9DBA5

accent

#E444DE

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0E0A15

muted

#7E7C84

Preview Lab

Preview with #5550D4

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

Preview Lab → · Contrast checker → · Palette generator →