#507DCA#507DCA
#507DCA is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.3% C 0.128 H 260.5°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).
Color values
| HEX | #507DCA |
|---|---|
| RGB | rgb(80, 125, 202) |
| HSL | hsl(218, 54%, 55%) |
| HSV | hsv(218, 60%, 79%) |
| CMYK | cmyk(60.4%, 38.1%, 0%, 20.8%) |
| CIE-LAB | lab(52.55, 8.23, -44.61) |
| CIE-LCH | lch(52.55, 45.37, 280.46°) |
| OKLab | oklab(59.34% -0.0211 -0.1266) |
| OKLCH | oklch(59.34% 0.128 260.5) |
| XYZ | xyz(21.2988, 20.6351, 58.7262) |
| Luminance | 0.2064 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 4.32
Off Blue
#5684AE
ΔE00 4.76
Cool Blue
#4984B8
ΔE00 4.98
Clear Blue
#247AFD
ΔE00 5.10
Deep Sky Blue
#0D75F8
ΔE00 5.25
Cornflower Blue
#5170D7
ΔE00 5.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#507DCA #CA9D50
analogous
#50BACA #507DCA #6050CA
triadic
#507DCA #CA507D #7DCA50
tetradic
#507DCA #CA50BA #CA9D50 #50CA60
square
#507DCA #CA50BA #CA9D50 #50CA60
split-complementary
#507DCA #CA6050 #BACA50
monochromatic
#25457A #335FA9 #507DCA #7FA0D8 #AEC3E6
Accessibility & contrast
On white
4.10
#507DCA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.13
#507DCA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #507DCA
5.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##507DCA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##507DCA | 1.00 | 4.10 | 5.13 | 5.13 |
| #FFFFFF | 4.10 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.13 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.13 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C84CD
Deuteranopia (green-blind)
#4C78C8
Tritanopia (blue-blind)
#008E9A
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #507dca; /* rgb */ color: rgb(80, 125, 202); /* oklch */ color: oklch(59.3% 0.128 260.5);
Tailwind
colors: {
custom: {
50: '#8ba2da',
500: '#507dca',
950: '#000000',
},
}SCSS
$custom: #507dca; $custom-light: #8ba2da; $custom-dark: #000000;
JSON
{
"hex": "#507dca",
"rgb": {
"r": 80,
"g": 125,
"b": 202
},
"hsl": {
"h": 217.869,
"s": 53.509,
"l": 55.294
},
"oklch": {
"l": 0.59339,
"c": 0.12838,
"h": 260.5
},
"luminance": 0.20637
}Semantic roles & 50–950 ramp
primary
#507DCA
secondary
#D4C2A1
accent
#A74BDD
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0F15
muted
#7E7E83