#513FAF#513FAF

#513FAF is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.4% C 0.170 H 284.7°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#513FAF
RGB	rgb(81, 63, 175)
HSL	hsl(250, 47%, 47%)
HSV	hsv(250, 64%, 69%)
CMYK	cmyk(53.7%, 64%, 0%, 31.4%)
CIE-LAB	lab(34.80, 38.03, -57.41)
CIE-LCH	lch(34.80, 68.86, 303.52°)
OKLab	oklab(45.4% 0.0432 -0.1648)
OKLCH	oklch(45.4% 0.17 284.7)
XYZ	xyz(12.9064, 8.3988, 41.4902)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.30

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FAF #9DAF3F

analogous

#3F65AF #513FAF #893FAF

triadic

#513FAF #AF513F #3FAF51

tetradic

#513FAF #AF3F65 #9DAF3F #3FAF89

square

#513FAF #AF3F65 #9DAF3F #3FAF89

split-complementary

#513FAF #AF893F #65AF3F

monochromatic

#271F55 #3C2F82 #513FAF #7464C7 #9C91D7

Accessibility & contrast

On white

7.84

#513FAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#513FAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513FAF

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FAF	#FFFFFF	#000000	##FFFFFF
##513FAF	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B3

Deuteranopia (green-blind)

#004EAD

Tritanopia (blue-blind)

#2A5A71

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #513faf;
/* rgb */ color: rgb(81, 63, 175);
/* oklch */ color: oklch(45.4% 0.170 284.7);

Tailwind

colors: {
  custom: {
    50: '#8a75c8',
    500: '#513faf',
    950: '#000000',
  },
}

SCSS

$custom: #513faf;
$custom-light: #8a75c8;
$custom-dark: #000000;

JSON

{
  "hex": "#513faf",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 175
  },
  "hsl": {
    "h": 249.643,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.454,
    "c": 0.17033,
    "h": 284.7
  },
  "luminance": 0.08399
}

Semantic roles & 50–950 ramp

primary

#513FAF

secondary

#B9C387

accent

#D751C1

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0D0813

muted

#7D7B82

Preview Lab

Preview with #513FAF

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

Preview Lab → · Contrast checker → · Palette generator →