#506FCA#506FCA
#506FCA is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.4% C 0.145 H 267.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).
Color values
| HEX | #506FCA |
|---|---|
| RGB | rgb(80, 111, 202) |
| HSL | hsl(225, 54%, 55%) |
| HSV | hsv(225, 60%, 79%) |
| CMYK | cmyk(60.4%, 45%, 0%, 20.8%) |
| CIE-LAB | lab(48.68, 16.85, -50.77) |
| CIE-LCH | lch(48.68, 53.49, 288.36°) |
| OKLab | oklab(56.36% -0.0064 -0.1448) |
| OKLCH | oklch(56.36% 0.145 267.5) |
| XYZ | xyz(19.6498, 17.3370, 58.1765) |
| Luminance | 0.1734 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.76
Royal Blue
#4169E1
ΔE00 3.44
French Blue
#436BAD
ΔE00 4.71
Cerulean Blue
#056EEE
ΔE00 5.52
Medium Blue
#2C6FBB
ΔE00 6.27
Bright Blue
#0165FC
ΔE00 6.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#506FCA #CAAB50
analogous
#50ACCA #506FCA #6E50CA
triadic
#506FCA #CA506F #6FCA50
tetradic
#506FCA #CA50AC #CAAB50 #50CA6E
square
#506FCA #CA50AC #CAAB50 #50CA6E
split-complementary
#506FCA #CA6E50 #ACCA50
monochromatic
#253B7A #3351A9 #506FCA #7F96D8 #AEBCE6
Accessibility & contrast
On white
4.70
#506FCA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.47
#506FCA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #506FCA
4.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##506FCA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##506FCA | 1.00 | 4.70 | 4.47 | 4.70 |
| #FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4479CD
Deuteranopia (green-blind)
#326EC8
Tritanopia (blue-blind)
#008493
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #506fca; /* rgb */ color: rgb(80, 111, 202); /* oklch */ color: oklch(56.4% 0.145 267.5);
Tailwind
colors: {
custom: {
50: '#8b97db',
500: '#506fca',
950: '#000000',
},
}SCSS
$custom: #506fca; $custom-light: #8b97db; $custom-dark: #000000;
JSON
{
"hex": "#506fca",
"rgb": {
"r": 80,
"g": 111,
"b": 202
},
"hsl": {
"h": 224.754,
"s": 53.509,
"l": 55.294
},
"oklch": {
"l": 0.56359,
"c": 0.14499,
"h": 267.5
},
"luminance": 0.17339
}Semantic roles & 50–950 ramp
primary
#506FCA
secondary
#D4C7A1
accent
#B84BDD
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0D15
muted
#7E7E83