#513BC9#513BC9

#513BC9 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.1% C 0.208 H 282.0°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#513BC9
RGB	rgb(81, 59, 201)
HSL	hsl(249, 57%, 51%)
HSV	hsv(249, 71%, 79%)
CMYK	cmyk(59.7%, 70.6%, 0%, 21.2%)
CIE-LAB	lab(36.16, 48.31, -70.48)
CIE-LCH	lch(36.16, 85.45, 304.43°)
OKLab	oklab(47.06% 0.043 -0.2031)
OKLCH	oklch(47.06% 0.208 282)
XYZ	xyz(15.4966, 9.0932, 56.1856)
Luminance	0.0909 (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

#513BC9 #B3C93B

analogous

#3B6CC9 #513BC9 #983BC9

triadic

#513BC9 #C9513B #3BC951

tetradic

#513BC9 #C93B6C #B3C93B #3BC998

square

#513BC9 #C93B6C #B3C93B #3BC998

split-complementary

#513BC9 #C9983B #6CC93B

monochromatic

#2A1E6C #3C2B9C #513BC9 #7C6BD6 #A69BE3

Accessibility & contrast

On white

7.45

#513BC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#513BC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513BC9

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513BC9	#FFFFFF	#000000	##FFFFFF
##513BC9	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACD

Deuteranopia (green-blind)

#0050C6

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #513bc9;
/* rgb */ color: rgb(81, 59, 201);
/* oklch */ color: oklch(47.1% 0.208 282.0);

Tailwind

colors: {
  custom: {
    50: '#8f73db',
    500: '#513bc9',
    950: '#000000',
  },
}

SCSS

$custom: #513bc9;
$custom-light: #8f73db;
$custom-dark: #000000;

JSON

{
  "hex": "#513bc9",
  "rgb": {
    "r": 81,
    "g": 59,
    "b": 201
  },
  "hsl": {
    "h": 249.296,
    "s": 56.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.47062,
    "c": 0.20761,
    "h": 282
  },
  "luminance": 0.09094
}

Semantic roles & 50–950 ramp

primary

#513BC9

secondary

#C6CF90

accent

#E048C8

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #513BC9

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

Preview Lab → · Contrast checker → · Palette generator →