#513BCF#513BCF

#513BCF is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.6% C 0.215 H 281.2°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#513BCF
RGB	rgb(81, 59, 207)
HSL	hsl(249, 61%, 52%)
HSV	hsv(249, 71%, 81%)
CMYK	cmyk(60.9%, 71.5%, 0%, 18.8%)
CIE-LAB	lab(36.71, 50.13, -73.07)
CIE-LCH	lch(36.71, 88.61, 304.45°)
OKLab	oklab(47.62% 0.0418 -0.2107)
OKLCH	oklch(47.62% 0.215 281.2)
XYZ	xyz(16.2162, 9.3811, 59.9756)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 0.82

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513BCF #B9CF3B

analogous

#3B6FCF #513BCF #9B3BCF

triadic

#513BCF #CF513B #3BCF51

tetradic

#513BCF #CF3B6F #B9CF3B #3BCF9B

square

#513BCF #CF3B6F #B9CF3B #3BCF9B

split-complementary

#513BCF #CF9B3B #6FCF3B

monochromatic

#291C73 #3B28A5 #513BCF #7D6CDB #A89DE7

Accessibility & contrast

On white

7.30

#513BCF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#513BCF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513BCF

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513BCF	#FFFFFF	#000000	##FFFFFF
##513BCF	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD3

Deuteranopia (green-blind)

#0051CC

Tritanopia (blue-blind)

#006481

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #513bcf;
/* rgb */ color: rgb(81, 59, 207);
/* oklch */ color: oklch(47.6% 0.215 281.2);

Tailwind

colors: {
  custom: {
    50: '#9073df',
    500: '#513bcf',
    950: '#000000',
  },
}

SCSS

$custom: #513bcf;
$custom-light: #9073df;
$custom-dark: #000000;

JSON

{
  "hex": "#513bcf",
  "rgb": {
    "r": 81,
    "g": 59,
    "b": 207
  },
  "hsl": {
    "h": 248.919,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.47615,
    "c": 0.21479,
    "h": 281.2
  },
  "luminance": 0.09382
}

Semantic roles & 50–950 ramp

primary

#513BCF

secondary

#CAD393

accent

#E444CC

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #513BCF

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

Preview Lab → · Contrast checker → · Palette generator →