#553BB3#553BB3

#553BB3 is a mid, vivid violet. Relative luminance 0.083; OKLCH L 45.5% C 0.180 H 286.8°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#553BB3
RGB	rgb(85, 59, 179)
HSL	hsl(253, 50%, 47%)
HSV	hsv(253, 67%, 70%)
CMYK	cmyk(52.5%, 67%, 0%, 29.8%)
CIE-LAB	lab(34.63, 42.30, -60.05)
CIE-LCH	lch(34.63, 73.46, 305.16°)
OKLab	oklab(45.47% 0.0522 -0.1724)
OKLCH	oklch(45.47% 0.18 286.8)
XYZ	xyz(13.4446, 8.3132, 43.5353)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.29

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553BB3 #99B33B

analogous

#3B5DB3 #553BB3 #913BB3

triadic

#553BB3 #B3553B #3BB355

tetradic

#553BB3 #B33B5D #99B33B #3BB391

square

#553BB3 #B33B5D #99B33B #3BB391

split-complementary

#553BB3 #B3913B #5DB33B

monochromatic

#291D57 #3F2C85 #553BB3 #7760CB #9F8EDA

Accessibility & contrast

On white

7.89

#553BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#553BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553BB3

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553BB3	#FFFFFF	#000000	##FFFFFF
##553BB3	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#305972

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #553bb3;
/* rgb */ color: rgb(85, 59, 179);
/* oklch */ color: oklch(45.5% 0.180 286.8);

Tailwind

colors: {
  custom: {
    50: '#8e73cb',
    500: '#553bb3',
    950: '#000000',
  },
}

SCSS

$custom: #553bb3;
$custom-light: #8e73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#553bb3",
  "rgb": {
    "r": 85,
    "g": 59,
    "b": 179
  },
  "hsl": {
    "h": 253,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.45465,
    "c": 0.18012,
    "h": 286.8
  },
  "luminance": 0.08314
}

Semantic roles & 50–950 ramp

primary

#553BB3

secondary

#B7C585

accent

#DA4EBC

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #553BB3

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

Preview Lab → · Contrast checker → · Palette generator →