#5178EC#5178EC
#5178EC is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.5% C 0.180 H 267.0°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).
Color values
| HEX | #5178EC |
|---|---|
| RGB | rgb(81, 120, 236) |
| HSL | hsl(225, 80%, 62%) |
| HSV | hsv(225, 66%, 93%) |
| CMYK | cmyk(65.7%, 49.2%, 0%, 7.5%) |
| CIE-LAB | lab(53.21, 23.10, -62.72) |
| CIE-LCH | lch(53.21, 66.84, 290.22°) |
| OKLab | oklab(60.49% -0.0096 -0.1798) |
| OKLCH | oklch(60.49% 0.18 267) |
| XYZ | xyz(25.2449, 21.2360, 82.1092) |
| Luminance | 0.2124 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.53
Cornflower Blue
#5170D7
ΔE00 3.83
Clear Blue
#247AFD
ΔE00 3.91
Cornflower
#6A79F7
ΔE00 4.29
Deep Sky Blue
#0D75F8
ΔE00 4.39
Dodger Blue
#3E82FC
ΔE00 4.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5178EC #ECC551
analogous
#51C6EC #5178EC #7751EC
triadic
#5178EC #EC5178 #78EC51
tetradic
#5178EC #EC51C6 #ECC551 #51EC77
square
#5178EC #EC51C6 #ECC551 #51EC77
split-complementary
#5178EC #EC7751 #C6EC51
monochromatic
#133AAF #1A4DE6 #5178EC #88A3F2 #BFCEF8
Accessibility & contrast
On white
4.00
#5178EC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.25
#5178EC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5178EC
5.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5178EC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5178EC | 1.00 | 4.00 | 5.25 | 5.25 |
| #FFFFFF | 4.00 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.25 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.25 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3786F0
Deuteranopia (green-blind)
#0278EA
Tritanopia (blue-blind)
#0093A7
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #5178ec; /* rgb */ color: rgb(81, 120, 236); /* oklch */ color: oklch(60.5% 0.180 267.0);
Tailwind
colors: {
custom: {
50: '#919ef3',
500: '#5178ec',
950: '#000000',
},
}SCSS
$custom: #5178ec; $custom-light: #919ef3; $custom-dark: #000000;
JSON
{
"hex": "#5178ec",
"rgb": {
"r": 81,
"g": 120,
"b": 236
},
"hsl": {
"h": 224.903,
"s": 80.311,
"l": 62.157
},
"oklch": {
"l": 0.60493,
"c": 0.1801,
"h": 267
},
"luminance": 0.21238
}Semantic roles & 50–950 ramp
primary
#5178EC
secondary
#E9DBB0
accent
#A709DD
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E17
muted
#7E7E85