#513DDB#513DDB

#513DDB is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 49.0% C 0.227 H 279.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#513DDB
RGB	rgb(81, 61, 219)
HSL	hsl(248, 69%, 55%)
HSV	hsv(248, 72%, 86%)
CMYK	cmyk(63%, 72.1%, 0%, 14.1%)
CIE-LAB	lab(38.20, 52.69, -77.54)
CIE-LCH	lch(38.20, 93.74, 304.20°)
OKLab	oklab(49.01% 0.0381 -0.2237)
OKLCH	oklch(49.01% 0.227 279.7)
XYZ	xyz(17.8442, 10.1999, 68.0325)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.27

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513DDB #C7DB3D

analogous

#3D78DB #513DDB #A03DDB

triadic

#513DDB #DB513D #3DDB51

tetradic

#513DDB #DB3D78 #C7DB3D #3DDBA0

square

#513DDB #DB3D78 #C7DB3D #3DDBA0

split-complementary

#513DDB #DBA03D #78DB3D

monochromatic

#261985 #3522B9 #513DDB #7F71E5 #AEA4EE

Accessibility & contrast

On white

6.91

#513DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#513DDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #513DDB

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513DDB	#FFFFFF	#000000	##FFFFFF
##513DDB	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060E0

Deuteranopia (green-blind)

#0054D8

Tritanopia (blue-blind)

#006988

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #513ddb;
/* rgb */ color: rgb(81, 61, 219);
/* oklch */ color: oklch(49.0% 0.227 279.7);

Tailwind

colors: {
  custom: {
    50: '#9275e7',
    500: '#513ddb',
    950: '#000000',
  },
}

SCSS

$custom: #513ddb;
$custom-light: #9275e7;
$custom-dark: #000000;

JSON

{
  "hex": "#513ddb",
  "rgb": {
    "r": 81,
    "g": 61,
    "b": 219
  },
  "hsl": {
    "h": 247.595,
    "s": 68.696,
    "l": 54.902
  },
  "oklch": {
    "l": 0.4901,
    "c": 0.22697,
    "h": 279.7
  },
  "luminance": 0.10201
}

Semantic roles & 50–950 ramp

primary

#513DDB

secondary

#D3DB99

accent

#EC3CD5

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #513DDB

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

Preview Lab → · Contrast checker → · Palette generator →