#5551DC#5551DC

#5551DC is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.4% C 0.205 H 277.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#5551DC
RGB	rgb(85, 81, 220)
HSL	hsl(242, 67%, 59%)
HSV	hsv(242, 63%, 86%)
CMYK	cmyk(61.4%, 63.2%, 0%, 13.7%)
CIE-LAB	lab(42.74, 42.24, -70.66)
CIE-LCH	lch(42.74, 82.32, 300.87°)
OKLab	oklab(52.38% 0.0281 -0.2035)
OKLCH	oklch(52.38% 0.205 277.9)
XYZ	xyz(19.6029, 12.9819, 69.1690)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5551DC #D8DC51

analogous

#5193DC #5551DC #9B51DC

triadic

#5551DC #DC5551 #51DC55

tetradic

#5551DC #DC5193 #D8DC51 #51DC9B

square

#5551DC #DC5193 #D8DC51 #51DC9B

split-complementary

#5551DC #DC9B51 #93DC51

monochromatic

#211E95 #2D28C8 #5551DC #8784E6 #B9B7F0

Accessibility & contrast

On white

5.84

#5551DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#5551DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5551DC

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5551DC	#FFFFFF	#000000	##FFFFFF
##5551DC	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE0

Deuteranopia (green-blind)

#005FD9

Tritanopia (blue-blind)

#00748F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5551dc;
/* rgb */ color: rgb(85, 81, 220);
/* oklch */ color: oklch(52.4% 0.205 277.9);

Tailwind

colors: {
  custom: {
    50: '#9382e8',
    500: '#5551dc',
    950: '#000000',
  },
}

SCSS

$custom: #5551dc;
$custom-light: #9382e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5551dc",
  "rgb": {
    "r": 85,
    "g": 81,
    "b": 220
  },
  "hsl": {
    "h": 241.727,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.5238,
    "c": 0.20544,
    "h": 277.9
  },
  "luminance": 0.12983
}

Semantic roles & 50–950 ramp

primary

#5551DC

secondary

#DEE0A9

accent

#E93EE5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5551DC

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

Preview Lab → · Contrast checker → · Palette generator →