#513EB4#513EB4

#513EB4 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.7% C 0.178 H 284.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#513EB4
RGB	rgb(81, 62, 180)
HSL	hsl(250, 49%, 47%)
HSV	hsv(250, 66%, 71%)
CMYK	cmyk(55%, 65.6%, 0%, 29.4%)
CIE-LAB	lab(34.98, 40.17, -60.08)
CIE-LCH	lch(34.98, 72.27, 303.77°)
OKLab	oklab(45.66% 0.0437 -0.1726)
OKLCH	oklch(45.66% 0.178 284.2)
XYZ	xyz(13.3517, 8.4891, 44.1062)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.22

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513EB4 #A1B43E

analogous

#3E66B4 #513EB4 #8C3EB4

triadic

#513EB4 #B4513E #3EB451

tetradic

#513EB4 #B43E66 #A1B43E #3EB48C

square

#513EB4 #B43E66 #A1B43E #3EB48C

split-complementary

#513EB4 #B48C3E #66B43E

monochromatic

#281F59 #3D2E86 #513EB4 #7565CA #9E93DA

Accessibility & contrast

On white

7.78

#513EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#513EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513EB4

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513EB4	#FFFFFF	#000000	##FFFFFF
##513EB4	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#245B73

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #513eb4;
/* rgb */ color: rgb(81, 62, 180);
/* oklch */ color: oklch(45.7% 0.178 284.2);

Tailwind

colors: {
  custom: {
    50: '#8b74cb',
    500: '#513eb4',
    950: '#000000',
  },
}

SCSS

$custom: #513eb4;
$custom-light: #8b74cb;
$custom-dark: #000000;

JSON

{
  "hex": "#513eb4",
  "rgb": {
    "r": 81,
    "g": 62,
    "b": 180
  },
  "hsl": {
    "h": 249.661,
    "s": 48.76,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45657,
    "c": 0.17805,
    "h": 284.2
  },
  "luminance": 0.0849
}

Semantic roles & 50–950 ramp

primary

#513EB4

secondary

#BBC589

accent

#D84FC2

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #513EB4

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

Preview Lab → · Contrast checker → · Palette generator →