#505BC3#505BC3
#505BC3 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.161 H 274.8°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #505BC3 |
|---|---|
| RGB | rgb(80, 91, 195) |
| HSL | hsl(234, 49%, 54%) |
| HSV | hsv(234, 59%, 76%) |
| CMYK | cmyk(59%, 53.3%, 0%, 23.5%) |
| CIE-LAB | lab(42.95, 27.03, -55.94) |
| CIE-LCH | lch(42.95, 62.13, 295.79°) |
| OKLab | oklab(51.87% 0.0134 -0.1603) |
| OKLCH | oklch(51.87% 0.161 274.8) |
| XYZ | xyz(16.8965, 13.1265, 53.2625) |
| Luminance | 0.1313 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 3.45
Iris
#6258C4
ΔE00 3.65
Dark Periwinkle
#665FD1
ΔE00 4.41
Slate Blue
#6A5ACD
ΔE00 5.03
Light Indigo
#6D5ACF
ΔE00 5.64
Azul
#1D5DEC
ΔE00 6.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#505BC3 #C3B850
analogous
#5095C3 #505BC3 #7F50C3
triadic
#505BC3 #C3505B #5BC350
tetradic
#505BC3 #C35095 #C3B850 #50C37F
square
#505BC3 #C35095 #C3B850 #50C37F
split-complementary
#505BC3 #C37F50 #95C350
monochromatic
#272E72 #37419F #505BC3 #7E86D3 #ABB0E2
Accessibility & contrast
On white
5.79
#505BC3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#505BC3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #505BC3
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##505BC3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##505BC3 | 1.00 | 5.79 | 3.63 | 5.79 |
| #FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1A6BC7
Deuteranopia (green-blind)
#0061C1
Tritanopia (blue-blind)
#007386
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #505bc3; /* rgb */ color: rgb(80, 91, 195); /* oklch */ color: oklch(51.9% 0.161 274.8);
Tailwind
colors: {
custom: {
50: '#8b89d6',
500: '#505bc3',
950: '#000000',
},
}SCSS
$custom: #505bc3; $custom-light: #8b89d6; $custom-dark: #000000;
JSON
{
"hex": "#505bc3",
"rgb": {
"r": 80,
"g": 91,
"b": 195
},
"hsl": {
"h": 234.261,
"s": 48.936,
"l": 53.922
},
"oklch": {
"l": 0.51873,
"c": 0.16085,
"h": 274.8
},
"luminance": 0.13128
}Semantic roles & 50–950 ramp
primary
#505BC3
secondary
#D0CB9F
accent
#CB4FD8
background
#F9F8FD
surface
#F1F0FA
border
#CBCBD3
text
#0D0B14
muted
#7E7C83