#5551DB#5551DB

#5551DB is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.3% C 0.204 H 277.9°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#5551DB
RGB	rgb(85, 81, 219)
HSL	hsl(242, 66%, 59%)
HSV	hsv(242, 63%, 86%)
CMYK	cmyk(61.2%, 63%, 0%, 14.1%)
CIE-LAB	lab(42.66, 41.92, -70.22)
CIE-LCH	lch(42.66, 81.78, 300.84°)
OKLab	oklab(52.3% 0.0282 -0.2022)
OKLCH	oklch(52.3% 0.204 277.9)
XYZ	xyz(19.4708, 12.9291, 68.4736)
Luminance	0.1293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5551DB #D7DB51

analogous

#5192DB #5551DB #9A51DB

triadic

#5551DB #DB5551 #51DB55

tetradic

#5551DB #DB5192 #D7DB51 #51DB9A

square

#5551DB #DB5192 #D7DB51 #51DB9A

split-complementary

#5551DB #DB9A51 #92DB51

monochromatic

#221E93 #2D29C6 #5551DB #8784E5 #B8B6F0

Accessibility & contrast

On white

5.86

#5551DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#5551DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5551DB

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5551DB	#FFFFFF	#000000	##FFFFFF
##5551DB	1.00	5.86	3.59	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#00748F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5551db;
/* rgb */ color: rgb(85, 81, 219);
/* oklch */ color: oklch(52.3% 0.204 277.9);

Tailwind

colors: {
  custom: {
    50: '#9282e7',
    500: '#5551db',
    950: '#000000',
  },
}

SCSS

$custom: #5551db;
$custom-light: #9282e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5551db",
  "rgb": {
    "r": 85,
    "g": 81,
    "b": 219
  },
  "hsl": {
    "h": 241.739,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52297,
    "c": 0.20417,
    "h": 277.9
  },
  "luminance": 0.12931
}

Semantic roles & 50–950 ramp

primary

#5551DB

secondary

#DEDFA9

accent

#E93FE4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5551DB

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

Preview Lab → · Contrast checker → · Palette generator →