#515CA4#515CA4
#515CA4 is a mid, moderate blue. Relative luminance 0.121; OKLCH L 50.1% C 0.115 H 274.9°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).
Color values
| HEX | #515CA4 |
|---|---|
| RGB | rgb(81, 92, 164) |
| HSL | hsl(232, 34%, 48%) |
| HSV | hsv(232, 51%, 64%) |
| CMYK | cmyk(50.6%, 43.9%, 0%, 35.7%) |
| CIE-LAB | lab(41.35, 16.36, -40.33) |
| CIE-LCH | lch(41.35, 43.52, 292.08°) |
| OKLab | oklab(50.05% 0.0099 -0.1144) |
| OKLCH | oklch(50.05% 0.115 274.9) |
| XYZ | xyz(13.9192, 12.0831, 36.7136) |
| Luminance | 0.1208 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusky Blue
#475F94
ΔE00 3.90
Twilight
#4E518B
ΔE00 5.38
Denim Blue
#3B5B92
ΔE00 5.41
Iris
#6258C4
ΔE00 6.48
Dusk
#4E5481
ΔE00 6.71
French Blue
#436BAD
ΔE00 7.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515CA4 #A49951
analogous
#5185A4 #515CA4 #6F51A4
triadic
#515CA4 #A4515C #5CA451
tetradic
#515CA4 #A45185 #A49951 #51A46F
square
#515CA4 #A45185 #A49951 #51A46F
split-complementary
#515CA4 #A46F51 #85A451
monochromatic
#292E52 #3D457B #515CA4 #7780BC #A0A6D0
Accessibility & contrast
On white
6.15
#515CA4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.42
#515CA4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #515CA4
6.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515CA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515CA4 | 1.00 | 6.15 | 3.42 | 6.15 |
| #FFFFFF | 6.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F65A7
Deuteranopia (green-blind)
#375EA2
Tritanopia (blue-blind)
#2F6B78
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #515ca4; /* rgb */ color: rgb(81, 92, 164); /* oklch */ color: oklch(50.1% 0.115 274.9);
Tailwind
colors: {
custom: {
50: '#878abf',
500: '#515ca4',
950: '#000000',
},
}SCSS
$custom: #515ca4; $custom-light: #878abf; $custom-dark: #000000;
JSON
{
"hex": "#515ca4",
"rgb": {
"r": 81,
"g": 92,
"b": 164
},
"hsl": {
"h": 232.048,
"s": 33.878,
"l": 48.039
},
"oklch": {
"l": 0.50052,
"c": 0.11481,
"h": 274.9
},
"luminance": 0.12084
}Semantic roles & 50–950 ramp
primary
#515CA4
secondary
#BDB794
accent
#BC5ECA
background
#F8F8FB
surface
#F0F0F7
border
#CBCBD0
text
#0C0B12
muted
#7D7C81