#515FCD#515FCD
#515FCD is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.4% C 0.169 H 273.8°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).
Color values
| HEX | #515FCD |
|---|---|
| RGB | rgb(81, 95, 205) |
| HSL | hsl(233, 55%, 56%) |
| HSV | hsv(233, 60%, 80%) |
| CMYK | cmyk(60.5%, 53.7%, 0%, 19.6%) |
| CIE-LAB | lab(44.72, 28.06, -58.86) |
| CIE-LCH | lch(44.72, 65.21, 295.49°) |
| OKLab | oklab(53.43% 0.0111 -0.1688) |
| OKLCH | oklch(53.43% 0.169 273.8) |
| XYZ | xyz(18.5014, 14.3401, 59.5387) |
| Luminance | 0.1434 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 3.09
Dark Periwinkle
#665FD1
ΔE00 3.75
Iris
#6258C4
ΔE00 4.35
Royal Blue
#4169E1
ΔE00 4.93
Slate Blue
#6A5ACD
ΔE00 5.03
Azul
#1D5DEC
ΔE00 5.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515FCD #CDBF51
analogous
#519DCD #515FCD #8151CD
triadic
#515FCD #CD515F #5FCD51
tetradic
#515FCD #CD519D #CDBF51 #51CD81
square
#515FCD #CD519D #CDBF51 #51CD81
split-complementary
#515FCD #CD8151 #9DCD51
monochromatic
#252F7F #3240AF #515FCD #818BDB #B0B6E8
Accessibility & contrast
On white
5.43
#515FCD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.87
#515FCD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #515FCD
5.43:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515FCD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515FCD | 1.00 | 5.43 | 3.87 | 5.43 |
| #FFFFFF | 5.43 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.43 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#166FD1
Deuteranopia (green-blind)
#0065CB
Tritanopia (blue-blind)
#00798D
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #515fcd; /* rgb */ color: rgb(81, 95, 205); /* oklch */ color: oklch(53.4% 0.169 273.8);
Tailwind
colors: {
custom: {
50: '#8d8cdd',
500: '#515fcd',
950: '#000000',
},
}SCSS
$custom: #515fcd; $custom-light: #8d8cdd; $custom-dark: #000000;
JSON
{
"hex": "#515fcd",
"rgb": {
"r": 81,
"g": 95,
"b": 205
},
"hsl": {
"h": 233.226,
"s": 55.357,
"l": 56.078
},
"oklch": {
"l": 0.53429,
"c": 0.16918,
"h": 273.8
},
"luminance": 0.14342
}Semantic roles & 50–950 ramp
primary
#515FCD
secondary
#D7D1A3
accent
#CE49DF
background
#F9F8FD
surface
#F1F0FB
border
#CBCBD4
text
#0D0C15
muted
#7E7D83