#5551DA#5551DA

#5551DA is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.2% C 0.203 H 278.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5551DA
RGB	rgb(85, 81, 218)
HSL	hsl(242, 65%, 59%)
HSV	hsv(242, 63%, 85%)
CMYK	cmyk(61%, 62.8%, 0%, 14.5%)
CIE-LAB	lab(42.58, 41.60, -69.78)
CIE-LCH	lch(42.58, 81.24, 300.80°)
OKLab	oklab(52.21% 0.0283 -0.2009)
OKLCH	oklch(52.21% 0.203 278)
XYZ	xyz(19.3396, 12.8766, 67.7824)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5551DA #D6DA51

analogous

#5191DA #5551DA #9951DA

triadic

#5551DA #DA5551 #51DA55

tetradic

#5551DA #DA5191 #D6DA51 #51DA99

square

#5551DA #DA5191 #D6DA51 #51DA99

split-complementary

#5551DA #DA9951 #91DA51

monochromatic

#221F92 #2E2AC4 #5551DA #8683E5 #B8B6EF

Accessibility & contrast

On white

5.87

#5551DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5551DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5551DA

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5551DA	#FFFFFF	#000000	##FFFFFF
##5551DA	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADE

Deuteranopia (green-blind)

#005FD7

Tritanopia (blue-blind)

#00738E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5551da;
/* rgb */ color: rgb(85, 81, 218);
/* oklch */ color: oklch(52.2% 0.203 278.0);

Tailwind

colors: {
  custom: {
    50: '#9282e6',
    500: '#5551da',
    950: '#000000',
  },
}

SCSS

$custom: #5551da;
$custom-light: #9282e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5551da",
  "rgb": {
    "r": 85,
    "g": 81,
    "b": 218
  },
  "hsl": {
    "h": 241.752,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.52214,
    "c": 0.20289,
    "h": 278
  },
  "luminance": 0.12878
}

Semantic roles & 50–950 ramp

primary

#5551DA

secondary

#DDDEA8

accent

#E840E3

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5551DA

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

Preview Lab → · Contrast checker → · Palette generator →