#513B91#513B91

#513B91 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 42.4% C 0.136 H 291.3°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#513B91
RGB	rgb(81, 59, 145)
HSL	hsl(255, 42%, 40%)
HSV	hsv(255, 59%, 57%)
CMYK	cmyk(44.1%, 59.3%, 0%, 43.1%)
CIE-LAB	lab(31.63, 31.28, -44.44)
CIE-LCH	lch(31.63, 54.34, 305.14°)
OKLab	oklab(42.37% 0.0493 -0.1266)
OKLCH	oklch(42.37% 0.136 291.3)
XYZ	xyz(10.0667, 6.9213, 27.5881)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 8.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513B91 #7B913B

analogous

#3B5091 #513B91 #7C3B91

triadic

#513B91 #91513B #3B9151

tetradic

#513B91 #913B50 #7B913B #3B917C

square

#513B91 #913B50 #7B913B #3B917C

split-complementary

#513B91 #917C3B #50913B

monochromatic

#20183A #392966 #513B91 #6B51B8 #907CCA

Accessibility & contrast

On white

8.81

#513B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#513B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513B91

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513B91	#FFFFFF	#000000	##FFFFFF
##513B91	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024C94

Deuteranopia (green-blind)

#0B498F

Tritanopia (blue-blind)

#3F4E60

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #513b91;
/* rgb */ color: rgb(81, 59, 145);
/* oklch */ color: oklch(42.4% 0.136 291.3);

Tailwind

colors: {
  custom: {
    50: '#8772b2',
    500: '#513b91',
    950: '#000000',
  },
}

SCSS

$custom: #513b91;
$custom-light: #8772b2;
$custom-dark: #000000;

JSON

{
  "hex": "#513b91",
  "rgb": {
    "r": 81,
    "g": 59,
    "b": 145
  },
  "hsl": {
    "h": 255.349,
    "s": 42.157,
    "l": 40
  },
  "oklch": {
    "l": 0.42368,
    "c": 0.1359,
    "h": 291.3
  },
  "luminance": 0.06922
}

Semantic roles & 50–950 ramp

primary

#513B91

secondary

#A3B474

accent

#D256B2

background

#F8F6FB

surface

#F0ECF6

border

#CBC7D0

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #513B91

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

Preview Lab → · Contrast checker → · Palette generator →