#505DD1#505DD1
#505DD1 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.3% C 0.177 H 273.9°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).
Color values
| HEX | #505DD1 |
|---|---|
| RGB | rgb(80, 93, 209) |
| HSL | hsl(234, 58%, 57%) |
| HSV | hsv(234, 62%, 82%) |
| CMYK | cmyk(61.7%, 55.5%, 0%, 18%) |
| CIE-LAB | lab(44.43, 30.49, -61.63) |
| CIE-LCH | lch(44.43, 68.76, 296.32°) |
| OKLab | oklab(53.28% 0.0121 -0.177) |
| OKLCH | oklch(53.28% 0.177 273.9) |
| XYZ | xyz(18.7274, 14.1361, 62.0509) |
| Luminance | 0.1414 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.24
Dark Periwinkle
#665FD1
ΔE00 3.66
Iris
#6258C4
ΔE00 4.16
Slate Blue
#6A5ACD
ΔE00 4.79
Azul
#1D5DEC
ΔE00 4.82
Royal Blue
#4169E1
ΔE00 5.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#505DD1 #D1C450
analogous
#509ED1 #505DD1 #8350D1
triadic
#505DD1 #D1505D #5DD150
tetradic
#505DD1 #D1509E #D1C450 #50D183
square
#505DD1 #D1509E #D1C450 #50D183
split-complementary
#505DD1 #D18350 #9ED150
monochromatic
#232C84 #2F3DB4 #505DD1 #808ADE #B1B7EA
Accessibility & contrast
On white
5.49
#505DD1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.83
#505DD1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #505DD1
5.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##505DD1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##505DD1 | 1.00 | 5.49 | 3.83 | 5.49 |
| #FFFFFF | 5.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.83 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006FD5
Deuteranopia (green-blind)
#0064CF
Tritanopia (blue-blind)
#00798E
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #505dd1; /* rgb */ color: rgb(80, 93, 209); /* oklch */ color: oklch(53.3% 0.177 273.9);
Tailwind
colors: {
custom: {
50: '#8d8ae0',
500: '#505dd1',
950: '#000000',
},
}SCSS
$custom: #505dd1; $custom-light: #8d8ae0; $custom-dark: #000000;
JSON
{
"hex": "#505dd1",
"rgb": {
"r": 80,
"g": 93,
"b": 209
},
"hsl": {
"h": 233.953,
"s": 58.371,
"l": 56.667
},
"oklch": {
"l": 0.53284,
"c": 0.17741,
"h": 273.9
},
"luminance": 0.14138
}Semantic roles & 50–950 ramp
primary
#505DD1
secondary
#D9D3A4
accent
#D246E2
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0D0B15
muted
#7E7C83