#513FE1#513FE1

#513FE1 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.8% C 0.232 H 278.8°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#513FE1
RGB	rgb(81, 63, 225)
HSL	hsl(247, 73%, 56%)
HSV	hsv(247, 72%, 88%)
CMYK	cmyk(64%, 72%, 0%, 11.8%)
CIE-LAB	lab(39.14, 53.44, -79.42)
CIE-LCH	lch(39.14, 95.73, 303.94°)
OKLab	oklab(49.85% 0.0356 -0.2293)
OKLCH	oklch(49.85% 0.232 278.8)
XYZ	xyz(18.7571, 10.7391, 72.3040)
Luminance	0.1074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FE1 #CFE13F

analogous

#3F7EE1 #513FE1 #A23FE1

triadic

#513FE1 #E1513F #3FE151

tetradic

#513FE1 #E13F7E #CFE13F #3FE1A2

square

#513FE1 #E13F7E #CFE13F #3FE1A2

split-complementary

#513FE1 #E1A23F #7EE13F

monochromatic

#24168F #311FC4 #513FE1 #8174E9 #B1A9F2

Accessibility & contrast

On white

6.67

#513FE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#513FE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #513FE1

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FE1	#FFFFFF	#000000	##FFFFFF
##513FE1	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E6

Deuteranopia (green-blind)

#0056DE

Tritanopia (blue-blind)

#006C8C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #513fe1;
/* rgb */ color: rgb(81, 63, 225);
/* oklch */ color: oklch(49.8% 0.232 278.8);

Tailwind

colors: {
  custom: {
    50: '#9377ec',
    500: '#513fe1',
    950: '#000000',
  },
}

SCSS

$custom: #513fe1;
$custom-light: #9377ec;
$custom-dark: #000000;

JSON

{
  "hex": "#513fe1",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 225
  },
  "hsl": {
    "h": 246.667,
    "s": 72.973,
    "l": 56.471
  },
  "oklch": {
    "l": 0.49846,
    "c": 0.23202,
    "h": 278.8
  },
  "luminance": 0.10741
}

Semantic roles & 50–950 ramp

primary

#513FE1

secondary

#D8DF9D

accent

#F038DB

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #513FE1

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

Preview Lab → · Contrast checker → · Palette generator →