#513BD5#513BD5

#513BD5 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 48.2% C 0.222 H 280.5°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#513BD5
RGB	rgb(81, 59, 213)
HSL	hsl(249, 65%, 53%)
HSV	hsv(249, 72%, 84%)
CMYK	cmyk(62%, 72.3%, 0%, 16.5%)
CIE-LAB	lab(37.26, 51.93, -75.63)
CIE-LCH	lch(37.26, 91.74, 304.48°)
OKLab	oklab(48.18% 0.0406 -0.2182)
OKLCH	oklch(48.18% 0.222 280.5)
XYZ	xyz(16.9637, 9.6801, 63.9124)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.37

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513BD5 #BFD53B

analogous

#3B72D5 #513BD5 #9E3BD5

triadic

#513BD5 #D5513B #3BD551

tetradic

#513BD5 #D53B72 #BFD53B #3BD59E

square

#513BD5 #D53B72 #BFD53B #3BD59E

split-complementary

#513BD5 #D59E3B #72D53B

monochromatic

#281A7B #3925AE #513BD5 #7E6DE0 #AAA0EB

Accessibility & contrast

On white

7.15

#513BD5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#513BD5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513BD5

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513BD5	#FFFFFF	#000000	##FFFFFF
##513BD5	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DDA

Deuteranopia (green-blind)

#0052D2

Tritanopia (blue-blind)

#006685

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #513bd5;
/* rgb */ color: rgb(81, 59, 213);
/* oklch */ color: oklch(48.2% 0.222 280.5);

Tailwind

colors: {
  custom: {
    50: '#9174e3',
    500: '#513bd5',
    950: '#000000',
  },
}

SCSS

$custom: #513bd5;
$custom-light: #9174e3;
$custom-dark: #000000;

JSON

{
  "hex": "#513bd5",
  "rgb": {
    "r": 81,
    "g": 59,
    "b": 213
  },
  "hsl": {
    "h": 248.571,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48177,
    "c": 0.22191,
    "h": 280.5
  },
  "luminance": 0.09681
}

Semantic roles & 50–950 ramp

primary

#513BD5

secondary

#CED795

accent

#E840D0

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #513BD5

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

Preview Lab → · Contrast checker → · Palette generator →