#515CBD#515CBD
#515CBD is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.7% C 0.151 H 275.0°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).
Color values
| HEX | #515CBD |
|---|---|
| RGB | rgb(81, 92, 189) |
| HSL | hsl(234, 45%, 53%) |
| HSV | hsv(234, 57%, 74%) |
| CMYK | cmyk(57.1%, 51.3%, 0%, 25.9%) |
| CIE-LAB | lab(42.88, 24.59, -52.57) |
| CIE-LCH | lch(42.88, 58.04, 295.07°) |
| OKLab | oklab(51.71% 0.0131 -0.1503) |
| OKLCH | oklch(51.71% 0.151 275) |
| XYZ | xyz(16.4028, 13.0766, 49.7939) |
| Luminance | 0.1308 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 3.92
Warm Blue
#4B57DB
ΔE00 4.39
Dark Periwinkle
#665FD1
ΔE00 4.80
Slate Blue
#6A5ACD
ΔE00 5.41
Light Indigo
#6D5ACF
ΔE00 6.02
Dusky Blue
#475F94
ΔE00 6.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515CBD #BDB251
analogous
#5192BD #515CBD #7C51BD
triadic
#515CBD #BD515C #5CBD51
tetradic
#515CBD #BD5192 #BDB251 #51BD7C
square
#515CBD #BD5192 #BDB251 #51BD7C
split-complementary
#515CBD #BD7C51 #92BD51
monochromatic
#292F6B #394397 #515CBD #7D86CE #AAAFDF
Accessibility & contrast
On white
5.81
#515CBD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.62
#515CBD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #515CBD
5.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515CBD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515CBD | 1.00 | 5.81 | 3.62 | 5.81 |
| #FFFFFF | 5.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#286AC0
Deuteranopia (green-blind)
#1361BB
Tritanopia (blue-blind)
#0D7284
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #515cbd; /* rgb */ color: rgb(81, 92, 189); /* oklch */ color: oklch(51.7% 0.151 275.0);
Tailwind
colors: {
custom: {
50: '#8b8ad1',
500: '#515cbd',
950: '#000000',
},
}SCSS
$custom: #515cbd; $custom-light: #8b8ad1; $custom-dark: #000000;
JSON
{
"hex": "#515cbd",
"rgb": {
"r": 81,
"g": 92,
"b": 189
},
"hsl": {
"h": 233.889,
"s": 45,
"l": 52.941
},
"oklch": {
"l": 0.51706,
"c": 0.15091,
"h": 275
},
"luminance": 0.13078
}Semantic roles & 50–950 ramp
primary
#515CBD
secondary
#CCC79E
accent
#C753D5
background
#F8F8FC
surface
#F0F0F9
border
#CBCBD2
text
#0D0B14
muted
#7D7C82