#507BC3#507BC3
#507BC3 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.5% C 0.121 H 260.2°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).
Color values
| HEX | #507BC3 |
|---|---|
| RGB | rgb(80, 123, 195) |
| HSL | hsl(218, 49%, 54%) |
| HSV | hsv(218, 59%, 76%) |
| CMYK | cmyk(59%, 36.9%, 0%, 23.5%) |
| CIE-LAB | lab(51.62, 7.10, -42.09) |
| CIE-LCH | lch(51.62, 42.68, 279.57°) |
| OKLab | oklab(58.5% -0.0206 -0.1193) |
| OKLCH | oklch(58.5% 0.121 260.2) |
| XYZ | xyz(20.2381, 19.8098, 54.3763) |
| Luminance | 0.1981 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.86
Off Blue
#5684AE
ΔE00 4.85
Cornflower Blue
#5170D7
ΔE00 4.95
Cool Blue
#4984B8
ΔE00 5.16
Steel Blue
#4682B4
ΔE00 5.31
Dusty Blue
#5A86AD
ΔE00 5.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#507BC3 #C39850
analogous
#50B5C3 #507BC3 #5F50C3
triadic
#507BC3 #C3507B #7BC350
tetradic
#507BC3 #C350B5 #C39850 #50C35F
square
#507BC3 #C350B5 #C39850 #50C35F
split-complementary
#507BC3 #C35F50 #B5C350
monochromatic
#274372 #375E9F #507BC3 #7E9DD3 #ABC0E2
Accessibility & contrast
On white
4.23
#507BC3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.96
#507BC3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #507BC3
4.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##507BC3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##507BC3 | 1.00 | 4.23 | 4.96 | 4.96 |
| #FFFFFF | 4.23 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D81C6
Deuteranopia (green-blind)
#4E76C1
Tritanopia (blue-blind)
#008B96
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #507bc3; /* rgb */ color: rgb(80, 123, 195); /* oklch */ color: oklch(58.5% 0.121 260.2);
Tailwind
colors: {
custom: {
50: '#8aa0d5',
500: '#507bc3',
950: '#000000',
},
}SCSS
$custom: #507bc3; $custom-light: #8aa0d5; $custom-dark: #000000;
JSON
{
"hex": "#507bc3",
"rgb": {
"r": 80,
"g": 123,
"b": 195
},
"hsl": {
"h": 217.565,
"s": 48.936,
"l": 53.922
},
"oklch": {
"l": 0.58501,
"c": 0.12104,
"h": 260.2
},
"luminance": 0.19812
}Semantic roles & 50–950 ramp
primary
#507BC3
secondary
#D0BE9F
accent
#A54FD8
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83