#553DD1#553DD1

#553DD1 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.4% C 0.214 H 282.2°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#553DD1
RGB	rgb(85, 61, 209)
HSL	hsl(250, 62%, 53%)
HSV	hsv(250, 71%, 82%)
CMYK	cmyk(59.3%, 70.8%, 0%, 18%)
CIE-LAB	lab(37.61, 50.19, -72.73)
CIE-LCH	lch(37.61, 88.37, 304.61°)
OKLab	oklab(48.4% 0.0454 -0.2096)
OKLCH	oklch(48.4% 0.214 282.2)
XYZ	xyz(16.9201, 9.8711, 61.3229)
Luminance	0.0987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.20

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553DD1 #B9D13D

analogous

#3D6FD1 #553DD1 #9F3DD1

triadic

#553DD1 #D1553D #3DD155

tetradic

#553DD1 #D13D6F #B9D13D #3DD19F

square

#553DD1 #D13D6F #B9D13D #3DD19F

split-complementary

#553DD1 #D19F3D #6FD13D

monochromatic

#2B1C77 #3D28A9 #553DD1 #806EDD #ACA0E8

Accessibility & contrast

On white

7.06

#553DD1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#553DD1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553DD1

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553DD1	#FFFFFF	#000000	##FFFFFF
##553DD1	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD5

Deuteranopia (green-blind)

#0053CE

Tritanopia (blue-blind)

#006583

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #553dd1;
/* rgb */ color: rgb(85, 61, 209);
/* oklch */ color: oklch(48.4% 0.214 282.2);

Tailwind

colors: {
  custom: {
    50: '#9275e0',
    500: '#553dd1',
    950: '#000000',
  },
}

SCSS

$custom: #553dd1;
$custom-light: #9275e0;
$custom-dark: #000000;

JSON

{
  "hex": "#553dd1",
  "rgb": {
    "r": 85,
    "g": 61,
    "b": 209
  },
  "hsl": {
    "h": 249.73,
    "s": 61.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48396,
    "c": 0.21446,
    "h": 282.2
  },
  "luminance": 0.09872
}

Semantic roles & 50–950 ramp

primary

#553DD1

secondary

#CBD595

accent

#E543CB

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #553DD1

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

Preview Lab → · Contrast checker → · Palette generator →