#5173EA#5173EA
#5173EA is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.4% C 0.183 H 268.3°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #5173EA |
|---|---|
| RGB | rgb(81, 115, 234) |
| HSL | hsl(227, 78%, 62%) |
| HSV | hsv(227, 65%, 92%) |
| CMYK | cmyk(65.4%, 50.9%, 0%, 8.2%) |
| CIE-LAB | lab(51.78, 25.49, -63.90) |
| CIE-LCH | lch(51.78, 68.80, 291.75°) |
| OKLab | oklab(59.37% -0.0053 -0.1834) |
| OKLCH | oklch(59.37% 0.183 268.3) |
| XYZ | xyz(24.3703, 19.9490, 80.3922) |
| Luminance | 0.1995 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.63
Lightish Blue
#3D7AFD
ΔE00 3.83
Royal Blue
#4169E1
ΔE00 3.96
Cornflower
#6A79F7
ΔE00 4.46
Deep Sky Blue
#0D75F8
ΔE00 4.90
Clear Blue
#247AFD
ΔE00 5.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5173EA #EAC851
analogous
#51BFEA #5173EA #7C51EA
triadic
#5173EA #EA5173 #73EA51
tetradic
#5173EA #EA51BF #EAC851 #51EA7C
square
#5173EA #EA51BF #EAC851 #51EA7C
split-complementary
#5173EA #EA7C51 #BFEA51
monochromatic
#1536AC #1B48E2 #5173EA #889FF1 #BECBF7
Accessibility & contrast
On white
4.21
#5173EA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#5173EA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5173EA
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5173EA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5173EA | 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)
#2B83EE
Deuteranopia (green-blind)
#0075E8
Tritanopia (blue-blind)
#008FA4
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #5173ea; /* rgb */ color: rgb(81, 115, 234); /* oklch */ color: oklch(59.4% 0.183 268.3);
Tailwind
colors: {
custom: {
50: '#919af1',
500: '#5173ea',
950: '#000000',
},
}SCSS
$custom: #5173ea; $custom-light: #919af1; $custom-dark: #000000;
JSON
{
"hex": "#5173ea",
"rgb": {
"r": 81,
"g": 115,
"b": 234
},
"hsl": {
"h": 226.667,
"s": 78.462,
"l": 61.765
},
"oklch": {
"l": 0.59369,
"c": 0.18348,
"h": 268.3
},
"luminance": 0.19951
}Semantic roles & 50–950 ramp
primary
#5173EA
secondary
#E8DBAF
accent
#AD0BDB
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E17
muted
#7E7E85