#5133AB#5133AB

#5133AB is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.2% C 0.180 H 287.9°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#5133AB
RGB	rgb(81, 51, 171)
HSL	hsl(255, 54%, 44%)
HSV	hsv(255, 70%, 67%)
CMYK	cmyk(52.6%, 70.2%, 0%, 32.9%)
CIE-LAB	lab(31.94, 43.69, -59.70)
CIE-LCH	lch(31.94, 73.98, 306.20°)
OKLab	oklab(43.23% 0.0552 -0.1715)
OKLCH	oklch(43.23% 0.18 287.9)
XYZ	xyz(11.9257, 7.0567, 39.2539)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 4.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5133AB #8DAB33

analogous

#3351AB #5133AB #8D33AB

triadic

#5133AB #AB5133 #33AB51

tetradic

#5133AB #AB3351 #8DAB33 #33AB8D

square

#5133AB #AB3351 #8DAB33 #33AB8D

split-complementary

#5133AB #AB8D33 #51AB33

monochromatic

#24174D #3B257C #5133AB #6F50CB #967FD9

Accessibility & contrast

On white

8.71

#5133AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#5133AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5133AB

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5133AB	#FFFFFF	#000000	##FFFFFF
##5133AB	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAF

Deuteranopia (green-blind)

#0048A9

Tritanopia (blue-blind)

#2F526B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #5133ab;
/* rgb */ color: rgb(81, 51, 171);
/* oklch */ color: oklch(43.2% 0.180 287.9);

Tailwind

colors: {
  custom: {
    50: '#8b6dc5',
    500: '#5133ab',
    950: '#000000',
  },
}

SCSS

$custom: #5133ab;
$custom-light: #8b6dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#5133ab",
  "rgb": {
    "r": 81,
    "g": 51,
    "b": 171
  },
  "hsl": {
    "h": 255,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43232,
    "c": 0.18015,
    "h": 287.9
  },
  "luminance": 0.07057
}

Semantic roles & 50–950 ramp

primary

#5133AB

secondary

#AFC278

accent

#DD4AB9

background

#F9F6FC

surface

#F1ECF8

border

#CBC7D1

text

#0D0713

muted

#7E7A82

Preview Lab

Preview with #5133AB

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

Preview Lab → · Contrast checker → · Palette generator →