#513BD1#513BD1

#513BD1 is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.8% C 0.217 H 281.0°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#513BD1
RGB	rgb(81, 59, 209)
HSL	hsl(249, 62%, 53%)
HSV	hsv(249, 72%, 82%)
CMYK	cmyk(61.2%, 71.8%, 0%, 18%)
CIE-LAB	lab(36.89, 50.73, -73.93)
CIE-LCH	lch(36.89, 89.66, 304.46°)
OKLab	oklab(47.8% 0.0414 -0.2132)
OKLCH	oklch(47.8% 0.217 281)
XYZ	xyz(16.4623, 9.4795, 61.2715)
Luminance	0.0948 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 0.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513BD1 #BBD13B

analogous

#3B70D1 #513BD1 #9C3BD1

triadic

#513BD1 #D1513B #3BD151

tetradic

#513BD1 #D13B70 #BBD13B #3BD19C

square

#513BD1 #D13B70 #BBD13B #3BD19C

split-complementary

#513BD1 #D19C3B #70D13B

monochromatic

#291C76 #3A27A7 #513BD1 #7D6DDD #A99EE8

Accessibility & contrast

On white

7.25

#513BD1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#513BD1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513BD1

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513BD1	#FFFFFF	#000000	##FFFFFF
##513BD1	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD5

Deuteranopia (green-blind)

#0051CE

Tritanopia (blue-blind)

#006482

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #513bd1;
/* rgb */ color: rgb(81, 59, 209);
/* oklch */ color: oklch(47.8% 0.217 281.0);

Tailwind

colors: {
  custom: {
    50: '#9073e0',
    500: '#513bd1',
    950: '#000000',
  },
}

SCSS

$custom: #513bd1;
$custom-light: #9073e0;
$custom-dark: #000000;

JSON

{
  "hex": "#513bd1",
  "rgb": {
    "r": 81,
    "g": 59,
    "b": 209
  },
  "hsl": {
    "h": 248.8,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.47802,
    "c": 0.21718,
    "h": 281
  },
  "luminance": 0.09481
}

Semantic roles & 50–950 ramp

primary

#513BD1

secondary

#CBD493

accent

#E543CD

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #513BD1

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

Preview Lab → · Contrast checker → · Palette generator →