#513FDB#513FDB

#513FDB is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 49.3% C 0.225 H 279.4°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#513FDB
RGB	rgb(81, 63, 219)
HSL	hsl(247, 68%, 55%)
HSV	hsv(247, 71%, 86%)
CMYK	cmyk(63%, 71.2%, 0%, 14.1%)
CIE-LAB	lab(38.58, 51.62, -76.91)
CIE-LCH	lch(38.58, 92.62, 303.87°)
OKLab	oklab(49.28% 0.0368 -0.2219)
OKLCH	oklch(49.28% 0.225 279.4)
XYZ	xyz(17.9529, 10.4174, 68.0688)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.55

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FDB #C9DB3F

analogous

#3F7BDB #513FDB #9F3FDB

triadic

#513FDB #DB513F #3FDB51

tetradic

#513FDB #DB3F7B #C9DB3F #3FDB9F

square

#513FDB #DB3F7B #C9DB3F #3FDB9F

split-complementary

#513FDB #DB9F3F #7BDB3F

monochromatic

#261986 #3423BA #513FDB #8073E5 #AEA6EE

Accessibility & contrast

On white

6.81

#513FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#513FDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #513FDB

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FDB	#FFFFFF	#000000	##FFFFFF
##513FDB	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E0

Deuteranopia (green-blind)

#0055D8

Tritanopia (blue-blind)

#006A89

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #513fdb;
/* rgb */ color: rgb(81, 63, 219);
/* oklch */ color: oklch(49.3% 0.225 279.4);

Tailwind

colors: {
  custom: {
    50: '#9276e7',
    500: '#513fdb',
    950: '#000000',
  },
}

SCSS

$custom: #513fdb;
$custom-light: #9276e7;
$custom-dark: #000000;

JSON

{
  "hex": "#513fdb",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 219
  },
  "hsl": {
    "h": 246.923,
    "s": 68.421,
    "l": 55.294
  },
  "oklch": {
    "l": 0.49282,
    "c": 0.22494,
    "h": 279.4
  },
  "luminance": 0.10419
}

Semantic roles & 50–950 ramp

primary

#513FDB

secondary

#D4DC9A

accent

#EB3DD7

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #513FDB

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

Preview Lab → · Contrast checker → · Palette generator →