#553FB3#553FB3

#553FB3 is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.1% C 0.175 H 286.0°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#553FB3
RGB	rgb(85, 63, 179)
HSL	hsl(251, 48%, 47%)
HSV	hsv(251, 65%, 70%)
CMYK	cmyk(52.5%, 64.8%, 0%, 29.8%)
CIE-LAB	lab(35.48, 40.00, -58.66)
CIE-LCH	lch(35.48, 71.00, 304.29°)
OKLab	oklab(46.08% 0.0483 -0.1683)
OKLCH	oklch(46.08% 0.175 286)
XYZ	xyz(13.6581, 8.7403, 43.6065)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.45

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#553FB3 #9DB33F

analogous

#3F63B3 #553FB3 #8F3FB3

triadic

#553FB3 #B3553F #3FB355

tetradic

#553FB3 #B33F63 #9DB33F #3FB38F

square

#553FB3 #B33F63 #9DB33F #3FB38F

split-complementary

#553FB3 #B38F3F #63B33F

monochromatic

#2A1F58 #402F86 #553FB3 #7966C9 #A193D9

Accessibility & contrast

On white

7.64

#553FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#553FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #553FB3

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##553FB3	#FFFFFF	#000000	##FFFFFF
##553FB3	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B7

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#305B73

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #553fb3;
/* rgb */ color: rgb(85, 63, 179);
/* oklch */ color: oklch(46.1% 0.175 286.0);

Tailwind

colors: {
  custom: {
    50: '#8d75cb',
    500: '#553fb3',
    950: '#000000',
  },
}

SCSS

$custom: #553fb3;
$custom-light: #8d75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#553fb3",
  "rgb": {
    "r": 85,
    "g": 63,
    "b": 179
  },
  "hsl": {
    "h": 251.379,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.46081,
    "c": 0.1751,
    "h": 286
  },
  "luminance": 0.08741
}

Semantic roles & 50–950 ramp

primary

#553FB3

secondary

#B9C489

accent

#D850BE

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #553FB3

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

Preview Lab → · Contrast checker → · Palette generator →