#513FB2#513FB2

#513FB2 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.174 H 284.3°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#513FB2
RGB	rgb(81, 63, 178)
HSL	hsl(249, 48%, 47%)
HSV	hsv(249, 65%, 70%)
CMYK	cmyk(54.5%, 64.6%, 0%, 30.2%)
CIE-LAB	lab(35.04, 38.96, -58.80)
CIE-LCH	lch(35.04, 70.54, 303.53°)
OKLab	oklab(45.65% 0.0429 -0.1689)
OKLCH	oklch(45.65% 0.174 284.3)
XYZ	xyz(13.2043, 8.5179, 43.0592)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.05

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FB2 #A0B23F

analogous

#3F67B2 #513FB2 #8A3FB2

triadic

#513FB2 #B2513F #3FB251

tetradic

#513FB2 #B23F67 #A0B23F #3FB28A

square

#513FB2 #B23F67 #A0B23F #3FB28A

split-complementary

#513FB2 #B28A3F #67B23F

monochromatic

#281F58 #3C2F85 #513FB2 #7566C9 #9E93D9

Accessibility & contrast

On white

7.77

#513FB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#513FB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513FB2

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FB2	#FFFFFF	#000000	##FFFFFF
##513FB2	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B6

Deuteranopia (green-blind)

#004FB0

Tritanopia (blue-blind)

#275B73

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #513fb2;
/* rgb */ color: rgb(81, 63, 178);
/* oklch */ color: oklch(45.6% 0.174 284.3);

Tailwind

colors: {
  custom: {
    50: '#8b75ca',
    500: '#513fb2',
    950: '#000000',
  },
}

SCSS

$custom: #513fb2;
$custom-light: #8b75ca;
$custom-dark: #000000;

JSON

{
  "hex": "#513fb2",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 178
  },
  "hsl": {
    "h": 249.391,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45648,
    "c": 0.17422,
    "h": 284.3
  },
  "luminance": 0.08519
}

Semantic roles & 50–950 ramp

primary

#513FB2

secondary

#BBC489

accent

#D750C2

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #513FB2

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

Preview Lab → · Contrast checker → · Palette generator →