#515DBE#515DBE
#515DBE is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.151 H 274.6°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #515DBE |
|---|---|
| RGB | rgb(81, 93, 190) |
| HSL | hsl(233, 46%, 53%) |
| HSV | hsv(233, 57%, 75%) |
| CMYK | cmyk(57.4%, 51.1%, 0%, 25.5%) |
| CIE-LAB | lab(43.20, 24.29, -52.63) |
| CIE-LCH | lch(43.20, 57.97, 294.78°) |
| OKLab | oklab(51.97% 0.0121 -0.1505) |
| OKLCH | oklch(51.97% 0.151 274.6) |
| XYZ | xyz(16.5989, 13.2945, 50.3966) |
| Luminance | 0.1330 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 4.08
Warm Blue
#4B57DB
ΔE00 4.39
Dark Periwinkle
#665FD1
ΔE00 4.73
Slate Blue
#6A5ACD
ΔE00 5.47
Light Indigo
#6D5ACF
ΔE00 6.07
Royal Blue
#4169E1
ΔE00 6.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515DBE #BEB251
analogous
#5194BE #515DBE #7B51BE
triadic
#515DBE #BE515D #5DBE51
tetradic
#515DBE #BE5194 #BEB251 #51BE7B
square
#515DBE #BE5194 #BEB251 #51BE7B
split-complementary
#515DBE #BE7B51 #94BE51
monochromatic
#28306C #394499 #515DBE #7E86CF #AAB0DF
Accessibility & contrast
On white
5.74
#515DBE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#515DBE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #515DBE
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515DBE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515DBE | 1.00 | 5.74 | 3.66 | 5.74 |
| #FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#296BC1
Deuteranopia (green-blind)
#1462BC
Tritanopia (blue-blind)
#097384
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #515dbe; /* rgb */ color: rgb(81, 93, 190); /* oklch */ color: oklch(52.0% 0.151 274.6);
Tailwind
colors: {
custom: {
50: '#8b8ad2',
500: '#515dbe',
950: '#000000',
},
}SCSS
$custom: #515dbe; $custom-light: #8b8ad2; $custom-dark: #000000;
JSON
{
"hex": "#515dbe",
"rgb": {
"r": 81,
"g": 93,
"b": 190
},
"hsl": {
"h": 233.394,
"s": 45.607,
"l": 53.137
},
"oklch": {
"l": 0.51972,
"c": 0.15098,
"h": 274.6
},
"luminance": 0.13296
}Semantic roles & 50–950 ramp
primary
#515DBE
secondary
#CDC89E
accent
#C753D5
background
#F9F8FD
surface
#F1F0FA
border
#CBCBD3
text
#0D0B14
muted
#7E7C83