#553BB0#553BB0

#553BB0 is a mid, vivid violet. Relative luminance 0.082; OKLCH L 45.2% C 0.176 H 287.3°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#553BB0
RGB	rgb(85, 59, 176)
HSL	hsl(253, 50%, 46%)
HSV	hsv(253, 66%, 69%)
CMYK	cmyk(51.7%, 66.5%, 0%, 31%)
CIE-LAB	lab(34.38, 41.40, -58.67)
CIE-LCH	lch(34.38, 71.81, 305.21°)
OKLab	oklab(45.21% 0.0526 -0.1683)
OKLCH	oklch(45.21% 0.176 287.3)
XYZ	xyz(13.1444, 8.1932, 41.9547)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.41

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553BB0 #96B03B

analogous

#3B5BB0 #553BB0 #8F3BB0

triadic

#553BB0 #B0553B #3BB055

tetradic

#553BB0 #B03B5B #96B03B #3BB08F

square

#553BB0 #B03B5B #96B03B #3BB08F

split-complementary

#553BB0 #B08F3B #5BB03B

monochromatic

#291C54 #3F2C82 #553BB0 #775FC9 #9E8DD9

Accessibility & contrast

On white

7.96

#553BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#553BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553BB0

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553BB0	#FFFFFF	#000000	##FFFFFF
##553BB0	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B4

Deuteranopia (green-blind)

#004EAE

Tritanopia (blue-blind)

#335870

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #553bb0;
/* rgb */ color: rgb(85, 59, 176);
/* oklch */ color: oklch(45.2% 0.176 287.3);

Tailwind

colors: {
  custom: {
    50: '#8d73c8',
    500: '#553bb0',
    950: '#000000',
  },
}

SCSS

$custom: #553bb0;
$custom-light: #8d73c8;
$custom-dark: #000000;

JSON

{
  "hex": "#553bb0",
  "rgb": {
    "r": 85,
    "g": 59,
    "b": 176
  },
  "hsl": {
    "h": 253.333,
    "s": 49.787,
    "l": 46.078
  },
  "oklch": {
    "l": 0.45212,
    "c": 0.17635,
    "h": 287.3
  },
  "luminance": 0.08194
}

Semantic roles & 50–950 ramp

primary

#553BB0

secondary

#B5C383

accent

#D94EBA

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #553BB0

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

Preview Lab → · Contrast checker → · Palette generator →