#507BD9#507BD9
#507BD9 is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.8% C 0.151 H 263.9°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).
Color values
| HEX | #507BD9 |
|---|---|
| RGB | rgb(80, 123, 217) |
| HSL | hsl(221, 64%, 58%) |
| HSV | hsv(221, 63%, 85%) |
| CMYK | cmyk(63.1%, 43.3%, 0%, 14.9%) |
| CIE-LAB | lab(52.82, 14.55, -52.68) |
| CIE-LCH | lch(52.82, 54.66, 285.44°) |
| OKLab | oklab(59.81% -0.016 -0.1503) |
| OKLCH | oklch(59.81% 0.151 263.9) |
| XYZ | xyz(22.9113, 20.8790, 68.4548) |
| Luminance | 0.2088 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 3.81
Cornflower Blue
#5170D7
ΔE00 4.11
Clear Blue
#247AFD
ΔE00 4.12
Deep Sky Blue
#0D75F8
ΔE00 4.43
Dodger Blue
#3E82FC
ΔE00 4.58
Soft Blue
#6488EA
ΔE00 5.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#507BD9 #D9AE50
analogous
#50BFD9 #507BD9 #6950D9
triadic
#507BD9 #D9507B #7BD950
tetradic
#507BD9 #D950BF #D9AE50 #50D969
square
#507BD9 #D950BF #D9AE50 #50D969
split-complementary
#507BD9 #D96950 #BFD950
monochromatic
#1F428F #2A5AC2 #507BD9 #82A1E4 #B5C7EF
Accessibility & contrast
On white
4.06
#507BD9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.18
#507BD9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #507BD9
5.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##507BD9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##507BD9 | 1.00 | 4.06 | 5.18 | 5.18 |
| #FFFFFF | 4.06 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F85DD
Deuteranopia (green-blind)
#3A78D7
Tritanopia (blue-blind)
#00909F
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #507bd9; /* rgb */ color: rgb(80, 123, 217); /* oklch */ color: oklch(59.8% 0.151 263.9);
Tailwind
colors: {
custom: {
50: '#8da0e5',
500: '#507bd9',
950: '#000000',
},
}SCSS
$custom: #507bd9; $custom-light: #8da0e5; $custom-dark: #000000;
JSON
{
"hex": "#507bd9",
"rgb": {
"r": 80,
"g": 123,
"b": 217
},
"hsl": {
"h": 221.168,
"s": 64.319,
"l": 58.235
},
"oklch": {
"l": 0.59814,
"c": 0.15117,
"h": 263.9
},
"luminance": 0.20881
}Semantic roles & 50–950 ramp
primary
#507BD9
secondary
#DECDA7
accent
#B340E7
background
#F9F9FE
surface
#F2F2FC
border
#CCCCD5
text
#0D0E16
muted
#7E7E84