#515AE0#515AE0
#515AE0 is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.0% C 0.201 H 274.5°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).
Color values
| HEX | #515AE0 |
|---|---|
| RGB | rgb(81, 90, 224) |
| HSL | hsl(236, 70%, 60%) |
| HSV | hsv(236, 64%, 88%) |
| CMYK | cmyk(63.8%, 59.8%, 0%, 12.2%) |
| CIE-LAB | lab(44.86, 37.52, -69.48) |
| CIE-LCH | lch(44.86, 78.97, 298.37°) |
| OKLab | oklab(53.97% 0.0159 -0.2001) |
| OKLCH | oklch(53.97% 0.201 274.5) |
| XYZ | xyz(20.4996, 14.4417, 72.2138) |
| Luminance | 0.1444 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 1.39
Dark Periwinkle
#665FD1
ΔE00 3.78
Slate Blue
#6A5ACD
ΔE00 4.65
Azul
#1D5DEC
ΔE00 4.67
Iris
#6258C4
ΔE00 4.69
Electric Blue
#0652FF
ΔE00 4.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515AE0 #E0D751
analogous
#51A1E0 #515AE0 #9051E0
triadic
#515AE0 #E0515A #5AE051
tetradic
#515AE0 #E051A1 #E0D751 #51E090
square
#515AE0 #E051A1 #E0D751 #51E090
split-complementary
#515AE0 #E09051 #A1E051
monochromatic
#1C249B #2530CF #515AE0 #858BE9 #B9BDF3
Accessibility & contrast
On white
5.40
#515AE0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.89
#515AE0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #515AE0
5.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515AE0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515AE0 | 1.00 | 5.40 | 3.89 | 5.40 |
| #FFFFFF | 5.40 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.89 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.40 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0071E4
Deuteranopia (green-blind)
#0064DD
Tritanopia (blue-blind)
#007B94
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #515ae0; /* rgb */ color: rgb(81, 90, 224); /* oklch */ color: oklch(54.0% 0.201 274.5);
Tailwind
colors: {
custom: {
50: '#9188eb',
500: '#515ae0',
950: '#000000',
},
}SCSS
$custom: #515ae0; $custom-light: #9188eb; $custom-dark: #000000;
JSON
{
"hex": "#515ae0",
"rgb": {
"r": 81,
"g": 90,
"b": 224
},
"hsl": {
"h": 236.224,
"s": 69.756,
"l": 59.804
},
"oklch": {
"l": 0.53968,
"c": 0.20073,
"h": 274.5
},
"luminance": 0.14443
}Semantic roles & 50–950 ramp
primary
#515AE0
secondary
#E2DFAB
accent
#E13BED
background
#F9F8FE
surface
#F2F0FD
border
#CCCBD5
text
#0E0B16
muted
#7E7C84