#513FB0#513FB0

#513FB0 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.5% C 0.172 H 284.5°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#513FB0
RGB	rgb(81, 63, 176)
HSL	hsl(250, 47%, 47%)
HSV	hsv(250, 64%, 69%)
CMYK	cmyk(54%, 64.2%, 0%, 31%)
CIE-LAB	lab(34.88, 38.34, -57.88)
CIE-LCH	lch(34.88, 69.42, 303.52°)
OKLab	oklab(45.48% 0.0431 -0.1661)
OKLCH	oklch(45.48% 0.172 284.5)
XYZ	xyz(13.0050, 8.4382, 42.0093)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.20

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FB0 #9EB03F

analogous

#3F65B0 #513FB0 #8A3FB0

triadic

#513FB0 #B0513F #3FB051

tetradic

#513FB0 #B03F65 #9EB03F #3FB08A

square

#513FB0 #B03F65 #9EB03F #3FB08A

split-complementary

#513FB0 #B08A3F #65B03F

monochromatic

#281F56 #3C2F83 #513FB0 #7465C8 #9D92D8

Accessibility & contrast

On white

7.81

#513FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#513FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513FB0

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FB0	#FFFFFF	#000000	##FFFFFF
##513FB0	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B4

Deuteranopia (green-blind)

#004EAE

Tritanopia (blue-blind)

#295B71

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #513fb0;
/* rgb */ color: rgb(81, 63, 176);
/* oklch */ color: oklch(45.5% 0.172 284.5);

Tailwind

colors: {
  custom: {
    50: '#8b75c8',
    500: '#513fb0',
    950: '#000000',
  },
}

SCSS

$custom: #513fb0;
$custom-light: #8b75c8;
$custom-dark: #000000;

JSON

{
  "hex": "#513fb0",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 176
  },
  "hsl": {
    "h": 249.558,
    "s": 47.28,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45483,
    "c": 0.17163,
    "h": 284.5
  },
  "luminance": 0.08439
}

Semantic roles & 50–950 ramp

primary

#513FB0

secondary

#BAC388

accent

#D751C2

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #513FB0

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

Preview Lab → · Contrast checker → · Palette generator →