#515DDD#515DDD
#515DDD is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.3% C 0.193 H 274.0°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #515DDD |
|---|---|
| RGB | rgb(81, 93, 221) |
| HSL | hsl(235, 67%, 59%) |
| HSV | hsv(235, 63%, 87%) |
| CMYK | cmyk(63.3%, 57.9%, 0%, 13.3%) |
| CIE-LAB | lab(45.35, 34.68, -66.97) |
| CIE-LCH | lch(45.35, 75.42, 297.38°) |
| OKLab | oklab(54.26% 0.0134 -0.1927) |
| OKLCH | oklch(54.26% 0.193 274) |
| XYZ | xyz(20.3545, 14.7968, 70.1760) |
| Luminance | 0.1480 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 1.95
Dark Periwinkle
#665FD1
ΔE00 3.57
Azul
#1D5DEC
ΔE00 4.41
Iris
#6258C4
ΔE00 4.80
Slate Blue
#6A5ACD
ΔE00 4.81
Royal Blue
#4169E1
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515DDD #DDD151
analogous
#51A3DD #515DDD #8B51DD
triadic
#515DDD #DD515D #5DDD51
tetradic
#515DDD #DD51A3 #DDD151 #51DD8B
square
#515DDD #DD51A3 #DDD151 #51DD8B
split-complementary
#515DDD #DD8B51 #A3DD51
monochromatic
#1D2896 #2735C9 #515DDD #848DE7 #B7BCF1
Accessibility & contrast
On white
5.30
#515DDD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.96
#515DDD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #515DDD
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515DDD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515DDD | 1.00 | 5.30 | 3.96 | 5.30 |
| #FFFFFF | 5.30 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.30 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0072E1
Deuteranopia (green-blind)
#0065DA
Tritanopia (blue-blind)
#007C94
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #515ddd; /* rgb */ color: rgb(81, 93, 221); /* oklch */ color: oklch(54.3% 0.193 274.0);
Tailwind
colors: {
custom: {
50: '#908be8',
500: '#515ddd',
950: '#000000',
},
}SCSS
$custom: #515ddd; $custom-light: #908be8; $custom-dark: #000000;
JSON
{
"hex": "#515ddd",
"rgb": {
"r": 81,
"g": 93,
"b": 221
},
"hsl": {
"h": 234.857,
"s": 67.308,
"l": 59.216
},
"oklch": {
"l": 0.54264,
"c": 0.19316,
"h": 274
},
"luminance": 0.14798
}Semantic roles & 50–950 ramp
primary
#515DDD
secondary
#E0DCAA
accent
#DB3EEA
background
#F9F8FE
surface
#F2F0FD
border
#CCCBD5
text
#0E0C16
muted
#7E7D84