#513FE3#513FE3
#513FE3 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 50.0% C 0.234 H 278.6°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).
Color values
| HEX | #513FE3 |
|---|---|
| RGB | rgb(81, 63, 227) |
| HSL | hsl(247, 75%, 57%) |
| HSV | hsv(247, 72%, 89%) |
| CMYK | cmyk(64.3%, 72.2%, 0%, 11%) |
| CIE-LAB | lab(39.32, 54.05, -80.26) |
| CIE-LCH | lch(39.32, 96.76, 303.96°) |
| OKLab | oklab(50.04% 0.0352 -0.2317) |
| OKLCH | oklch(50.04% 0.234 278.6) |
| XYZ | xyz(19.0315, 10.8488, 73.7493) |
| Luminance | 0.1085 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Purpley Blue
#5F34E7
ΔE00 2.70
Purpleish Blue
#6140EF
ΔE00 2.73
Blurple
#5539CC
ΔE00 3.41
Burple
#6832E3
ΔE00 3.72
Blue With A Hint Of Purple
#533CC6
ΔE00 3.87
Light Royal Blue
#3A2EFE
ΔE00 3.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#513FE3 #D1E33F
analogous
#3F7FE3 #513FE3 #A33FE3
triadic
#513FE3 #E3513F #3FE351
tetradic
#513FE3 #E33F7F #D1E33F #3FE3A3
square
#513FE3 #E33F7F #D1E33F #3FE3A3
split-complementary
#513FE3 #E3A33F #7FE33F
monochromatic
#231592 #301DC8 #513FE3 #8174EB #B2AAF3
Accessibility & contrast
On white
6.62
#513FE3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.17
#513FE3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #513FE3
6.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##513FE3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##513FE3 | 1.00 | 6.62 | 3.17 | 6.62 |
| #FFFFFF | 6.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0063E8
Deuteranopia (green-blind)
#0056E0
Tritanopia (blue-blind)
#006D8D
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #513fe3; /* rgb */ color: rgb(81, 63, 227); /* oklch */ color: oklch(50.0% 0.234 278.6);
Tailwind
colors: {
custom: {
50: '#9377ed',
500: '#513fe3',
950: '#000000',
},
}SCSS
$custom: #513fe3; $custom-light: #9377ed; $custom-dark: #000000;
JSON
{
"hex": "#513fe3",
"rgb": {
"r": 81,
"g": 63,
"b": 227
},
"hsl": {
"h": 246.585,
"s": 74.545,
"l": 56.863
},
"oklch": {
"l": 0.50035,
"c": 0.23436,
"h": 278.6
},
"luminance": 0.1085
}Semantic roles & 50–950 ramp
primary
#513FE3
secondary
#D9E09D
accent
#F137DD
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0F0916
muted
#7E7B84