#5171F2#5171F2
#5171F2 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.6% C 0.197 H 269.1°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #5171F2 |
|---|---|
| RGB | rgb(81, 113, 242) |
| HSL | hsl(228, 86%, 63%) |
| HSV | hsv(228, 67%, 95%) |
| CMYK | cmyk(66.5%, 53.3%, 0%, 5.1%) |
| CIE-LAB | lab(51.80, 29.47, -68.34) |
| CIE-LCH | lch(51.80, 74.42, 293.33°) |
| OKLab | oklab(59.55% -0.003 -0.1965) |
| OKLCH | oklch(59.55% 0.197 269.1) |
| XYZ | xyz(25.3200, 19.9680, 86.5070) |
| Luminance | 0.1997 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.46
Royal Blue
#4169E1
ΔE00 4.11
Cornflower
#6A79F7
ΔE00 4.12
Lightish Blue
#3D7AFD
ΔE00 4.19
Bright Blue
#0165FC
ΔE00 5.35
Deep Sky Blue
#0D75F8
ΔE00 5.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5171F2 #F2D251
analogous
#51C1F2 #5171F2 #8251F2
triadic
#5171F2 #F25171 #71F251
tetradic
#5171F2 #F251C1 #F2D251 #51F282
square
#5171F2 #F251C1 #F2D251 #51F282
split-complementary
#5171F2 #F28251 #C1F251
monochromatic
#0E30BB #1843EE #5171F2 #8A9FF6 #C3CEFB
Accessibility & contrast
On white
4.21
#5171F2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#5171F2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5171F2
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5171F2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5171F2 | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0E83F6
Deuteranopia (green-blind)
#0074EF
Tritanopia (blue-blind)
#0090A7
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #5171f2; /* rgb */ color: rgb(81, 113, 242); /* oklch */ color: oklch(59.6% 0.197 269.1);
Tailwind
colors: {
custom: {
50: '#9399f7',
500: '#5171f2',
950: '#000000',
},
}SCSS
$custom: #5171f2; $custom-light: #9399f7; $custom-dark: #000000;
JSON
{
"hex": "#5171f2",
"rgb": {
"r": 81,
"g": 113,
"b": 242
},
"hsl": {
"h": 228.075,
"s": 86.096,
"l": 63.333
},
"oklch": {
"l": 0.59554,
"c": 0.1965,
"h": 269.1
},
"luminance": 0.1997
}Semantic roles & 50–950 ramp
primary
#5171F2
secondary
#ECE1B3
accent
#B603E3
background
#F9F9FF
surface
#F2F2FF
border
#CCCCD7
text
#0E0D17
muted
#7E7E85