#5175E2#5175E2
#5175E2 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.2% C 0.170 H 267.3°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #5175E2 |
|---|---|
| RGB | rgb(81, 117, 226) |
| HSL | hsl(225, 71%, 60%) |
| HSV | hsv(225, 64%, 89%) |
| CMYK | cmyk(64.2%, 48.2%, 0%, 11.4%) |
| CIE-LAB | lab(51.79, 21.51, -59.39) |
| CIE-LCH | lch(51.79, 63.17, 289.91°) |
| OKLab | oklab(59.22% -0.008 -0.1701) |
| OKLCH | oklch(59.22% 0.17 267.3) |
| XYZ | xyz(23.4774, 19.9607, 74.5523) |
| Luminance | 0.1996 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.25
Lightish Blue
#3D7AFD
ΔE00 3.81
Royal Blue
#4169E1
ΔE00 4.23
Deep Sky Blue
#0D75F8
ΔE00 4.62
Clear Blue
#247AFD
ΔE00 4.76
Cerulean Blue
#056EEE
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5175E2 #E2BE51
analogous
#51BEE2 #5175E2 #7551E2
triadic
#5175E2 #E25175 #75E251
tetradic
#5175E2 #E251BE #E2BE51 #51E275
square
#5175E2 #E251BE #E2BE51 #51E275
split-complementary
#5175E2 #E27551 #BEE251
monochromatic
#1A3B9E #234FD3 #5175E2 #859FEB #BAC8F3
Accessibility & contrast
On white
4.21
#5175E2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#5175E2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5175E2
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5175E2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5175E2 | 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)
#3B82E6
Deuteranopia (green-blind)
#1975E0
Tritanopia (blue-blind)
#008EA1
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #5175e2; /* rgb */ color: rgb(81, 117, 226); /* oklch */ color: oklch(59.2% 0.170 267.3);
Tailwind
colors: {
custom: {
50: '#909cec',
500: '#5175e2',
950: '#000000',
},
}SCSS
$custom: #5175e2; $custom-light: #909cec; $custom-dark: #000000;
JSON
{
"hex": "#5175e2",
"rgb": {
"r": 81,
"g": 117,
"b": 226
},
"hsl": {
"h": 225.103,
"s": 71.429,
"l": 60.196
},
"oklch": {
"l": 0.59216,
"c": 0.17029,
"h": 267.3
},
"luminance": 0.19963
}Semantic roles & 50–950 ramp
primary
#5175E2
secondary
#E3D5AC
accent
#A312D3
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E16
muted
#7E7E84