#513BB5#513BB5

#513BB5 is a mid, vivid violet. Relative luminance 0.082; OKLCH L 45.3% C 0.183 H 284.7°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#513BB5
RGB	rgb(81, 59, 181)
HSL	hsl(251, 51%, 47%)
HSV	hsv(251, 67%, 71%)
CMYK	cmyk(55.2%, 67.4%, 0%, 29%)
CIE-LAB	lab(34.42, 42.22, -61.59)
CIE-LCH	lch(34.42, 74.67, 304.43°)
OKLab	oklab(45.28% 0.0463 -0.177)
OKLCH	oklch(45.28% 0.183 284.7)
XYZ	xyz(13.2953, 8.2127, 44.5917)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.98

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513BB5 #9FB53B

analogous

#3B62B5 #513BB5 #8E3BB5

triadic

#513BB5 #B5513B #3BB551

tetradic

#513BB5 #B53B62 #9FB53B #3BB58E

square

#513BB5 #B53B62 #9FB53B #3BB58E

split-complementary

#513BB5 #B58E3B #62B53B

monochromatic

#281D59 #3C2C87 #513BB5 #7562CC #9D90DB

Accessibility & contrast

On white

7.95

#513BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#513BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513BB5

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513BB5	#FFFFFF	#000000	##FFFFFF
##513BB5	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B9

Deuteranopia (green-blind)

#004DB3

Tritanopia (blue-blind)

#245A73

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #513bb5;
/* rgb */ color: rgb(81, 59, 181);
/* oklch */ color: oklch(45.3% 0.183 284.7);

Tailwind

colors: {
  custom: {
    50: '#8c73cc',
    500: '#513bb5',
    950: '#000000',
  },
}

SCSS

$custom: #513bb5;
$custom-light: #8c73cc;
$custom-dark: #000000;

JSON

{
  "hex": "#513bb5",
  "rgb": {
    "r": 81,
    "g": 59,
    "b": 181
  },
  "hsl": {
    "h": 250.82,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45279,
    "c": 0.183,
    "h": 284.7
  },
  "luminance": 0.08213
}

Semantic roles & 50–950 ramp

primary

#513BB5

secondary

#BAC686

accent

#DA4DC1

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #513BB5

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

Preview Lab → · Contrast checker → · Palette generator →