#513AB3#513AB3

#513AB3 is a dark, vivid violet. Relative luminance 0.080; OKLCH L 45.0% C 0.182 H 285.2°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#513AB3
RGB	rgb(81, 58, 179)
HSL	hsl(251, 51%, 46%)
HSV	hsv(251, 68%, 70%)
CMYK	cmyk(54.7%, 67.6%, 0%, 29.8%)
CIE-LAB	lab(34.04, 42.18, -61.02)
CIE-LCH	lch(34.04, 74.18, 304.65°)
OKLab	oklab(44.96% 0.0475 -0.1754)
OKLCH	oklch(44.96% 0.182 285.2)
XYZ	xyz(13.0406, 8.0294, 43.5018)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.25

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513AB3 #9CB33A

analogous

#3A60B3 #513AB3 #8E3AB3

triadic

#513AB3 #B3513A #3AB351

tetradic

#513AB3 #B33A60 #9CB33A #3AB38E

square

#513AB3 #B33A60 #9CB33A #3AB38E

split-complementary

#513AB3 #B38E3A #60B33A

monochromatic

#271C57 #3C2B85 #513AB3 #745FCB #9C8DDA

Accessibility & contrast

On white

8.06

#513AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#513AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513AB3

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513AB3	#FFFFFF	#000000	##FFFFFF
##513AB3	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)

#0053B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#265971

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #513ab3;
/* rgb */ color: rgb(81, 58, 179);
/* oklch */ color: oklch(45.0% 0.182 285.2);

Tailwind

colors: {
  custom: {
    50: '#8b72cb',
    500: '#513ab3',
    950: '#000000',
  },
}

SCSS

$custom: #513ab3;
$custom-light: #8b72cb;
$custom-dark: #000000;

JSON

{
  "hex": "#513ab3",
  "rgb": {
    "r": 81,
    "g": 58,
    "b": 179
  },
  "hsl": {
    "h": 251.405,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44955,
    "c": 0.18169,
    "h": 285.2
  },
  "luminance": 0.0803
}

Semantic roles & 50–950 ramp

primary

#513AB3

secondary

#B8C584

accent

#DB4DC0

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #513AB3

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

Preview Lab → · Contrast checker → · Palette generator →