#513BB1#513BB1

#513BB1 is a dark, vivid violet. Relative luminance 0.081; OKLCH L 44.9% C 0.178 H 285.3°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#513BB1
RGB	rgb(81, 59, 177)
HSL	hsl(251, 50%, 46%)
HSV	hsv(251, 67%, 69%)
CMYK	cmyk(54.2%, 66.7%, 0%, 30.6%)
CIE-LAB	lab(34.09, 40.99, -59.76)
CIE-LCH	lch(34.09, 72.47, 304.45°)
OKLab	oklab(44.94% 0.0469 -0.1717)
OKLCH	oklch(44.94% 0.178 285.3)
XYZ	xyz(12.8907, 8.0509, 42.4612)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.07

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513BB1 #9BB13B

analogous

#3B60B1 #513BB1 #8C3BB1

triadic

#513BB1 #B1513B #3BB151

tetradic

#513BB1 #B13B60 #9BB13B #3BB18C

square

#513BB1 #B13B60 #9BB13B #3BB18C

split-complementary

#513BB1 #B18C3B #60B13B

monochromatic

#271C55 #3C2C83 #513BB1 #735FCA #9B8DD9

Accessibility & contrast

On white

8.04

#513BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#513BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513BB1

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513BB1	#FFFFFF	#000000	##FFFFFF
##513BB1	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B5

Deuteranopia (green-blind)

#004DAF

Tritanopia (blue-blind)

#285971

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #513bb1;
/* rgb */ color: rgb(81, 59, 177);
/* oklch */ color: oklch(44.9% 0.178 285.3);

Tailwind

colors: {
  custom: {
    50: '#8b72c9',
    500: '#513bb1',
    950: '#000000',
  },
}

SCSS

$custom: #513bb1;
$custom-light: #8b72c9;
$custom-dark: #000000;

JSON

{
  "hex": "#513bb1",
  "rgb": {
    "r": 81,
    "g": 59,
    "b": 177
  },
  "hsl": {
    "h": 251.186,
    "s": 50,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44935,
    "c": 0.17795,
    "h": 285.3
  },
  "luminance": 0.08052
}

Semantic roles & 50–950 ramp

primary

#513BB1

secondary

#B8C484

accent

#DA4EC0

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #513BB1

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

Preview Lab → · Contrast checker → · Palette generator →