#5183E0#5183E0
#5183E0 is a mid, vivid blue. Relative luminance 0.234; OKLCH L 62.0% C 0.151 H 261.7°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).
Color values
| HEX | #5183E0 |
|---|---|
| RGB | rgb(81, 131, 224) |
| HSL | hsl(219, 70%, 60%) |
| HSV | hsv(219, 64%, 88%) |
| CMYK | cmyk(63.8%, 41.5%, 0%, 12.2%) |
| CIE-LAB | lab(55.44, 12.24, -52.43) |
| CIE-LCH | lch(55.44, 53.84, 283.14°) |
| OKLab | oklab(61.98% -0.0218 -0.1494) |
| OKLCH | oklch(61.98% 0.151 261.7) |
| XYZ | xyz(24.9594, 23.3614, 73.7004) |
| Luminance | 0.2336 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dodger Blue
#3E82FC
ΔE00 2.78
Soft Blue
#6488EA
ΔE00 3.42
Lightish Blue
#3D7AFD
ΔE00 4.02
Clear Blue
#247AFD
ΔE00 4.10
Azure
#007FFF
ΔE00 4.12
Faded Blue
#658CBB
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5183E0 #E0AE51
analogous
#51CAE0 #5183E0 #6751E0
triadic
#5183E0 #E05183 #83E051
tetradic
#5183E0 #E051CA #E0AE51 #51E067
square
#5183E0 #E051CA #E0AE51 #51E067
split-complementary
#5183E0 #E06751 #CAE051
monochromatic
#1C489B #2560CF #5183E0 #85A8E9 #B9CDF3
Accessibility & contrast
On white
3.70
#5183E0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.67
#5183E0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5183E0
5.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5183E0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5183E0 | 1.00 | 3.70 | 5.67 | 5.67 |
| #FFFFFF | 3.70 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.67 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.67 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#588CE4
Deuteranopia (green-blind)
#437FDE
Tritanopia (blue-blind)
#0098A6
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #5183e0; /* rgb */ color: rgb(81, 131, 224); /* oklch */ color: oklch(62.0% 0.151 261.7);
Tailwind
colors: {
custom: {
50: '#8fa6ea',
500: '#5183e0',
950: '#000000',
},
}SCSS
$custom: #5183e0; $custom-light: #8fa6ea; $custom-dark: #000000;
JSON
{
"hex": "#5183e0",
"rgb": {
"r": 81,
"g": 131,
"b": 224
},
"hsl": {
"h": 219.021,
"s": 69.756,
"l": 59.804
},
"oklch": {
"l": 0.61978,
"c": 0.15102,
"h": 261.7
},
"luminance": 0.23364
}Semantic roles & 50–950 ramp
primary
#5183E0
secondary
#E2CFAB
accent
#AF3BED
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E0F16
muted
#7E7F84