#513FCB#513FCB

#513FCB is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.8% C 0.206 H 281.1°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#513FCB
RGB	rgb(81, 63, 203)
HSL	hsl(248, 57%, 52%)
HSV	hsv(248, 69%, 80%)
CMYK	cmyk(60.1%, 69%, 0%, 20.4%)
CIE-LAB	lab(37.14, 46.71, -70.04)
CIE-LCH	lch(37.14, 84.18, 303.70°)
OKLab	oklab(47.82% 0.0396 -0.2018)
OKLCH	oklch(47.82% 0.206 281.1)
XYZ	xyz(15.9470, 9.6150, 57.5039)
Luminance	0.0962 (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

#513FCB #B9CB3F

analogous

#3F73CB #513FCB #973FCB

triadic

#513FCB #CB513F #3FCB51

tetradic

#513FCB #CB3F73 #B9CB3F #3FCB97

square

#513FCB #CB3F73 #B9CB3F #3FCB97

split-complementary

#513FCB #CB973F #73CB3F

monochromatic

#291F71 #3B2CA1 #513FCB #7D6FD8 #A89FE5

Accessibility & contrast

On white

7.18

#513FCB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#513FCB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513FCB

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FCB	#FFFFFF	#000000	##FFFFFF
##513FCB	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCF

Deuteranopia (green-blind)

#0052C8

Tritanopia (blue-blind)

#006480

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #513fcb;
/* rgb */ color: rgb(81, 63, 203);
/* oklch */ color: oklch(47.8% 0.206 281.1);

Tailwind

colors: {
  custom: {
    50: '#8f76dc',
    500: '#513fcb',
    950: '#000000',
  },
}

SCSS

$custom: #513fcb;
$custom-light: #8f76dc;
$custom-dark: #000000;

JSON

{
  "hex": "#513fcb",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 203
  },
  "hsl": {
    "h": 247.714,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.47816,
    "c": 0.20566,
    "h": 281.1
  },
  "luminance": 0.09616
}

Semantic roles & 50–950 ramp

primary

#513FCB

secondary

#CAD194

accent

#E147CD

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #513FCB

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

Preview Lab → · Contrast checker → · Palette generator →