#513FB9#513FB9

#513FB9 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.2% C 0.183 H 283.3°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#513FB9
RGB	rgb(81, 63, 185)
HSL	hsl(249, 49%, 49%)
HSV	hsv(249, 66%, 73%)
CMYK	cmyk(56.2%, 65.9%, 0%, 27.5%)
CIE-LAB	lab(35.61, 41.14, -62.01)
CIE-LCH	lch(35.61, 74.42, 303.56°)
OKLab	oklab(46.24% 0.0421 -0.1783)
OKLCH	oklch(46.24% 0.183 283.3)
XYZ	xyz(13.9251, 8.8063, 46.8555)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.11

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FB9 #A7B93F

analogous

#3F6AB9 #513FB9 #8E3FB9

triadic

#513FB9 #B9513F #3FB951

tetradic

#513FB9 #B93F6A #A7B93F #3FB98E

square

#513FB9 #B93F6A #A7B93F #3FB98E

split-complementary

#513FB9 #B98E3F #6AB93F

monochromatic

#29205E #3D2F8B #513FB9 #7869CC #A197DC

Accessibility & contrast

On white

7.60

#513FB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#513FB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513FB9

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FB9	#FFFFFF	#000000	##FFFFFF
##513FB9	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BD

Deuteranopia (green-blind)

#0050B7

Tritanopia (blue-blind)

#1E5E76

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #513fb9;
/* rgb */ color: rgb(81, 63, 185);
/* oklch */ color: oklch(46.2% 0.183 283.3);

Tailwind

colors: {
  custom: {
    50: '#8c75cf',
    500: '#513fb9',
    950: '#000000',
  },
}

SCSS

$custom: #513fb9;
$custom-light: #8c75cf;
$custom-dark: #000000;

JSON

{
  "hex": "#513fb9",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 185
  },
  "hsl": {
    "h": 248.852,
    "s": 49.194,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46239,
    "c": 0.1832,
    "h": 283.3
  },
  "luminance": 0.08807
}

Semantic roles & 50–950 ramp

primary

#513FB9

secondary

#BFC78D

accent

#D94FC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #513FB9

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

Preview Lab → · Contrast checker → · Palette generator →