#513FAC#513FAC

#513FAC is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.2% C 0.166 H 285.1°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#513FAC
RGB	rgb(81, 63, 172)
HSL	hsl(250, 46%, 46%)
HSV	hsv(250, 63%, 67%)
CMYK	cmyk(52.9%, 63.4%, 0%, 32.5%)
CIE-LAB	lab(34.56, 37.10, -56.01)
CIE-LCH	lch(34.56, 67.18, 303.52°)
OKLab	oklab(45.15% 0.0435 -0.1606)
OKLCH	oklch(45.15% 0.166 285.1)
XYZ	xyz(12.6150, 8.2822, 39.9556)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.64

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FAC #9AAC3F

analogous

#3F63AC #513FAC #873FAC

triadic

#513FAC #AC513F #3FAC51

tetradic

#513FAC #AC3F63 #9AAC3F #3FAC87

square

#513FAC #AC3F63 #9AAC3F #3FAC87

split-complementary

#513FAC #AC873F #63AC3F

monochromatic

#271E52 #3C2F7F #513FAC #7363C6 #9B8FD6

Accessibility & contrast

On white

7.90

#513FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#513FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513FAC

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FAC	#FFFFFF	#000000	##FFFFFF
##513FAC	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#004EAA

Tritanopia (blue-blind)

#2D596F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #513fac;
/* rgb */ color: rgb(81, 63, 172);
/* oklch */ color: oklch(45.2% 0.166 285.1);

Tailwind

colors: {
  custom: {
    50: '#8a75c6',
    500: '#513fac',
    950: '#000000',
  },
}

SCSS

$custom: #513fac;
$custom-light: #8a75c6;
$custom-dark: #000000;

JSON

{
  "hex": "#513fac",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 172
  },
  "hsl": {
    "h": 249.908,
    "s": 46.383,
    "l": 46.078
  },
  "oklch": {
    "l": 0.45154,
    "c": 0.16641,
    "h": 285.1
  },
  "luminance": 0.08283
}

Semantic roles & 50–950 ramp

primary

#513FAC

secondary

#B7C186

accent

#D652C0

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #513FAC

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

Preview Lab → · Contrast checker → · Palette generator →