#505BCA#505BCA
#505BCA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.4% C 0.170 H 274.6°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).
Color values
| HEX | #505BCA |
|---|---|
| RGB | rgb(80, 91, 202) |
| HSL | hsl(235, 54%, 55%) |
| HSV | hsv(235, 60%, 79%) |
| CMYK | cmyk(60.4%, 55%, 0%, 20.8%) |
| CIE-LAB | lab(43.43, 29.38, -59.21) |
| CIE-LCH | lch(43.43, 66.10, 296.39°) |
| OKLab | oklab(52.39% 0.0137 -0.1699) |
| OKLCH | oklch(52.39% 0.17 274.6) |
| XYZ | xyz(17.7065, 13.4505, 57.5288) |
| Luminance | 0.1345 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.55
Iris
#6258C4
ΔE00 3.61
Dark Periwinkle
#665FD1
ΔE00 3.94
Slate Blue
#6A5ACD
ΔE00 4.70
Light Indigo
#6D5ACF
ΔE00 5.27
Azul
#1D5DEC
ΔE00 5.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#505BCA #CABF50
analogous
#5098CA #505BCA #8250CA
triadic
#505BCA #CA505B #5BCA50
tetradic
#505BCA #CA5098 #CABF50 #50CA82
square
#505BCA #CA5098 #CABF50 #50CA82
split-complementary
#505BCA #CA8250 #98CA50
monochromatic
#252D7A #333EA9 #505BCA #7F87D8 #AEB3E6
Accessibility & contrast
On white
5.69
#505BCA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.69
#505BCA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #505BCA
5.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##505BCA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##505BCA | 1.00 | 5.69 | 3.69 | 5.69 |
| #FFFFFF | 5.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#046CCE
Deuteranopia (green-blind)
#0061C8
Tritanopia (blue-blind)
#00758A
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #505bca; /* rgb */ color: rgb(80, 91, 202); /* oklch */ color: oklch(52.4% 0.170 274.6);
Tailwind
colors: {
custom: {
50: '#8c89db',
500: '#505bca',
950: '#000000',
},
}SCSS
$custom: #505bca; $custom-light: #8c89db; $custom-dark: #000000;
JSON
{
"hex": "#505bca",
"rgb": {
"r": 80,
"g": 91,
"b": 202
},
"hsl": {
"h": 234.59,
"s": 53.509,
"l": 55.294
},
"oklch": {
"l": 0.52386,
"c": 0.17046,
"h": 274.6
},
"luminance": 0.13452
}Semantic roles & 50–950 ramp
primary
#505BCA
secondary
#D4D0A1
accent
#D04BDD
background
#F9F8FD
surface
#F1F0FB
border
#CBCBD4
text
#0D0B15
muted
#7E7C83