#515ACD#515ACD
#515ACD is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.5% C 0.176 H 275.2°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).
Color values
| HEX | #515ACD |
|---|---|
| RGB | rgb(81, 90, 205) |
| HSL | hsl(236, 55%, 56%) |
| HSV | hsv(236, 60%, 80%) |
| CMYK | cmyk(60.5%, 56.1%, 0%, 19.6%) |
| CIE-LAB | lab(43.46, 31.19, -60.90) |
| CIE-LCH | lch(43.46, 68.42, 297.12°) |
| OKLab | oklab(52.49% 0.0159 -0.1748) |
| OKLCH | oklch(52.49% 0.176 275.2) |
| XYZ | xyz(18.0654, 13.4680, 59.3934) |
| Luminance | 0.1347 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.05
Iris
#6258C4
ΔE00 3.39
Dark Periwinkle
#665FD1
ΔE00 3.71
Slate Blue
#6A5ACD
ΔE00 4.36
Light Indigo
#6D5ACF
ΔE00 4.91
Azul
#1D5DEC
ΔE00 5.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515ACD #CDC451
analogous
#5198CD #515ACD #8651CD
triadic
#515ACD #CD515A #5ACD51
tetradic
#515ACD #CD5198 #CDC451 #51CD86
square
#515ACD #CD5198 #CDC451 #51CD86
split-complementary
#515ACD #CD8651 #98CD51
monochromatic
#252B7F #323BAF #515ACD #8187DB #B0B4E8
Accessibility & contrast
On white
5.69
#515ACD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.69
#515ACD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #515ACD
5.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515ACD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515ACD | 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)
#006CD1
Deuteranopia (green-blind)
#0061CB
Tritanopia (blue-blind)
#00758B
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #515acd; /* rgb */ color: rgb(81, 90, 205); /* oklch */ color: oklch(52.5% 0.176 275.2);
Tailwind
colors: {
custom: {
50: '#8d88dd',
500: '#515acd',
950: '#000000',
},
}SCSS
$custom: #515acd; $custom-light: #8d88dd; $custom-dark: #000000;
JSON
{
"hex": "#515acd",
"rgb": {
"r": 81,
"g": 90,
"b": 205
},
"hsl": {
"h": 235.645,
"s": 55.357,
"l": 56.078
},
"oklch": {
"l": 0.52489,
"c": 0.17557,
"h": 275.2
},
"luminance": 0.13469
}Semantic roles & 50–950 ramp
primary
#515ACD
secondary
#D7D3A3
accent
#D449DF
background
#F9F8FD
surface
#F2EFFB
border
#CCCAD4
text
#0D0B15
muted
#7E7C83