#513EB2#513EB2

#513EB2 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.5% C 0.175 H 284.5°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#513EB2
RGB	rgb(81, 62, 178)
HSL	hsl(250, 48%, 47%)
HSV	hsv(250, 65%, 70%)
CMYK	cmyk(54.5%, 65.2%, 0%, 30.2%)
CIE-LAB	lab(34.82, 39.55, -59.16)
CIE-LCH	lch(34.82, 71.17, 303.76°)
OKLab	oklab(45.49% 0.0439 -0.1699)
OKLCH	oklch(45.49% 0.175 284.5)
XYZ	xyz(13.1494, 8.4082, 43.0409)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.28

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513EB2 #9FB23E

analogous

#3E65B2 #513EB2 #8B3EB2

triadic

#513EB2 #B2513E #3EB251

tetradic

#513EB2 #B23E65 #9FB23E #3EB28B

square

#513EB2 #B23E65 #9FB23E #3EB28B

split-complementary

#513EB2 #B28B3E #65B23E

monochromatic

#281E57 #3C2E85 #513EB2 #7564C9 #9D92D9

Accessibility & contrast

On white

7.83

#513EB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#513EB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513EB2

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513EB2	#FFFFFF	#000000	##FFFFFF
##513EB2	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B6

Deuteranopia (green-blind)

#004EB0

Tritanopia (blue-blind)

#275B72

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #513eb2;
/* rgb */ color: rgb(81, 62, 178);
/* oklch */ color: oklch(45.5% 0.175 284.5);

Tailwind

colors: {
  custom: {
    50: '#8b74ca',
    500: '#513eb2',
    950: '#000000',
  },
}

SCSS

$custom: #513eb2;
$custom-light: #8b74ca;
$custom-dark: #000000;

JSON

{
  "hex": "#513eb2",
  "rgb": {
    "r": 81,
    "g": 62,
    "b": 178
  },
  "hsl": {
    "h": 249.828,
    "s": 48.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45489,
    "c": 0.17548,
    "h": 284.5
  },
  "luminance": 0.08409
}

Semantic roles & 50–950 ramp

primary

#513EB2

secondary

#BAC488

accent

#D850C2

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #513EB2

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

Preview Lab → · Contrast checker → · Palette generator →