#513FCC#513FCC

#513FCC is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.9% C 0.207 H 281.0°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#513FCC
RGB	rgb(81, 63, 204)
HSL	hsl(248, 58%, 52%)
HSV	hsv(248, 69%, 80%)
CMYK	cmyk(60.3%, 69.1%, 0%, 20%)
CIE-LAB	lab(37.23, 47.02, -70.47)
CIE-LCH	lch(37.23, 84.72, 303.71°)
OKLab	oklab(47.91% 0.0394 -0.2031)
OKLCH	oklch(47.91% 0.207 281)
XYZ	xyz(16.0665, 9.6628, 58.1335)
Luminance	0.0966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FCC #BACC3F

analogous

#3F73CC #513FCC #983FCC

triadic

#513FCC #CC513F #3FCC51

tetradic

#513FCC #CC3F73 #BACC3F #3FCC98

square

#513FCC #CC3F73 #BACC3F #3FCC98

split-complementary

#513FCC #CC983F #73CC3F

monochromatic

#291E72 #3A2BA3 #513FCC #7D6FD9 #A9A0E6

Accessibility & contrast

On white

7.16

#513FCC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#513FCC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513FCC

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FCC	#FFFFFF	#000000	##FFFFFF
##513FCC	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD0

Deuteranopia (green-blind)

#0052C9

Tritanopia (blue-blind)

#006581

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #513fcc;
/* rgb */ color: rgb(81, 63, 204);
/* oklch */ color: oklch(47.9% 0.207 281.0);

Tailwind

colors: {
  custom: {
    50: '#8f76dd',
    500: '#513fcc',
    950: '#000000',
  },
}

SCSS

$custom: #513fcc;
$custom-light: #8f76dd;
$custom-dark: #000000;

JSON

{
  "hex": "#513fcc",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 204
  },
  "hsl": {
    "h": 247.66,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.47906,
    "c": 0.20689,
    "h": 281
  },
  "luminance": 0.09664
}

Semantic roles & 50–950 ramp

primary

#513FCC

secondary

#CAD295

accent

#E147CE

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #513FCC

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

Preview Lab → · Contrast checker → · Palette generator →