#513DB7#513DB7

#513DB7 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.8% C 0.183 H 284.0°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#513DB7
RGB	rgb(81, 61, 183)
HSL	hsl(250, 50%, 48%)
HSV	hsv(250, 67%, 72%)
CMYK	cmyk(55.7%, 66.7%, 0%, 28.2%)
CIE-LAB	lab(35.01, 41.68, -61.81)
CIE-LCH	lch(35.01, 74.55, 303.99°)
OKLab	oklab(45.76% 0.0442 -0.1777)
OKLCH	oklch(45.76% 0.183 284)
XYZ	xyz(13.6067, 8.5049, 45.7152)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.49

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513DB7 #A3B73D

analogous

#3D66B7 #513DB7 #8E3DB7

triadic

#513DB7 #B7513D #3DB751

tetradic

#513DB7 #B73D66 #A3B73D #3DB78E

square

#513DB7 #B73D66 #A3B73D #3DB78E

split-complementary

#513DB7 #B78E3D #66B73D

monochromatic

#281E5B #3D2E89 #513DB7 #7665CC #9F93DB

Accessibility & contrast

On white

7.77

#513DB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#513DB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513DB7

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513DB7	#FFFFFF	#000000	##FFFFFF
##513DB7	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)

#0056BB

Deuteranopia (green-blind)

#004EB5

Tritanopia (blue-blind)

#215C75

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #513db7;
/* rgb */ color: rgb(81, 61, 183);
/* oklch */ color: oklch(45.8% 0.183 284.0);

Tailwind

colors: {
  custom: {
    50: '#8c74ce',
    500: '#513db7',
    950: '#000000',
  },
}

SCSS

$custom: #513db7;
$custom-light: #8c74ce;
$custom-dark: #000000;

JSON

{
  "hex": "#513db7",
  "rgb": {
    "r": 81,
    "g": 61,
    "b": 183
  },
  "hsl": {
    "h": 249.836,
    "s": 50,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45757,
    "c": 0.1831,
    "h": 284
  },
  "luminance": 0.08506
}

Semantic roles & 50–950 ramp

primary

#513DB7

secondary

#BCC689

accent

#DA4EC3

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #513DB7

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

Preview Lab → · Contrast checker → · Palette generator →