#553BB1#553BB1

#553BB1 is a mid, vivid violet. Relative luminance 0.082; OKLCH L 45.3% C 0.178 H 287.2°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#553BB1
RGB	rgb(85, 59, 177)
HSL	hsl(253, 50%, 46%)
HSV	hsv(253, 67%, 69%)
CMYK	cmyk(52%, 66.7%, 0%, 30.6%)
CIE-LAB	lab(34.46, 41.70, -59.13)
CIE-LCH	lch(34.46, 72.36, 305.19°)
OKLab	oklab(45.3% 0.0524 -0.1697)
OKLCH	oklch(45.3% 0.178 287.2)
XYZ	xyz(13.2437, 8.2329, 42.4777)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.36

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553BB1 #97B13B

analogous

#3B5CB1 #553BB1 #903BB1

triadic

#553BB1 #B1553B #3BB155

tetradic

#553BB1 #B13B5C #97B13B #3BB190

square

#553BB1 #B13B5C #97B13B #3BB190

split-complementary

#553BB1 #B1903B #5CB13B

monochromatic

#291C55 #3F2C83 #553BB1 #775FCA #9E8DD9

Accessibility & contrast

On white

7.93

#553BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#553BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553BB1

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553BB1	#FFFFFF	#000000	##FFFFFF
##553BB1	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#004EAF

Tritanopia (blue-blind)

#325871

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #553bb1;
/* rgb */ color: rgb(85, 59, 177);
/* oklch */ color: oklch(45.3% 0.178 287.2);

Tailwind

colors: {
  custom: {
    50: '#8d73c9',
    500: '#553bb1',
    950: '#000000',
  },
}

SCSS

$custom: #553bb1;
$custom-light: #8d73c9;
$custom-dark: #000000;

JSON

{
  "hex": "#553bb1",
  "rgb": {
    "r": 85,
    "g": 59,
    "b": 177
  },
  "hsl": {
    "h": 253.22,
    "s": 50,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45296,
    "c": 0.17761,
    "h": 287.2
  },
  "luminance": 0.08234
}

Semantic roles & 50–950 ramp

primary

#553BB1

secondary

#B6C484

accent

#DA4EBB

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #553BB1

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

Preview Lab → · Contrast checker → · Palette generator →