#513DAB#513DAB

#513DAB is a dark, vivid violet. Relative luminance 0.080; OKLCH L 44.7% C 0.168 H 285.8°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#513DAB
RGB	rgb(81, 61, 171)
HSL	hsl(251, 47%, 45%)
HSV	hsv(251, 64%, 67%)
CMYK	cmyk(52.6%, 64.3%, 0%, 32.9%)
CIE-LAB	lab(34.04, 37.98, -56.27)
CIE-LCH	lch(34.04, 67.89, 304.02°)
OKLab	oklab(44.75% 0.0456 -0.1614)
OKLCH	oklch(44.75% 0.168 285.8)
XYZ	xyz(12.4106, 8.0265, 39.4155)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.09

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513DAB #97AB3D

analogous

#3D60AB #513DAB #883DAB

triadic

#513DAB #AB513D #3DAB51

tetradic

#513DAB #AB3D60 #97AB3D #3DAB88

square

#513DAB #AB3D60 #97AB3D #3DAB88

split-complementary

#513DAB #AB883D #60AB3D

monochromatic

#261D51 #3C2D7E #513DAB #725FC6 #9A8CD6

Accessibility & contrast

On white

8.06

#513DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#513DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513DAB

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513DAB	#FFFFFF	#000000	##FFFFFF
##513DAB	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AE

Deuteranopia (green-blind)

#004DA9

Tritanopia (blue-blind)

#2E586E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #513dab;
/* rgb */ color: rgb(81, 61, 171);
/* oklch */ color: oklch(44.7% 0.168 285.8);

Tailwind

colors: {
  custom: {
    50: '#8a74c5',
    500: '#513dab',
    950: '#000000',
  },
}

SCSS

$custom: #513dab;
$custom-light: #8a74c5;
$custom-dark: #000000;

JSON

{
  "hex": "#513dab",
  "rgb": {
    "r": 81,
    "g": 61,
    "b": 171
  },
  "hsl": {
    "h": 250.909,
    "s": 47.414,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44747,
    "c": 0.16771,
    "h": 285.8
  },
  "luminance": 0.08027
}

Semantic roles & 50–950 ramp

primary

#513DAB

secondary

#B6C183

accent

#D751BF

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0D0813

muted

#7D7B82

Preview Lab

Preview with #513DAB

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

Preview Lab → · Contrast checker → · Palette generator →