#5183C0#5183C0
#5183C0 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 60.2% C 0.108 H 254.2°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).
Color values
| HEX | #5183C0 |
|---|---|
| RGB | rgb(81, 131, 192) |
| HSL | hsl(213, 47%, 54%) |
| HSV | hsv(213, 58%, 75%) |
| CMYK | cmyk(57.8%, 31.8%, 0%, 24.7%) |
| CIE-LAB | lab(53.80, 1.51, -36.94) |
| CIE-LCH | lch(53.80, 36.97, 272.34°) |
| OKLab | oklab(60.16% -0.0294 -0.1042) |
| OKLCH | oklch(60.16% 0.108 254.2) |
| XYZ | xyz(21.0207, 21.7859, 52.9563) |
| Luminance | 0.2179 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.64
Off Blue
#5684AE
ΔE00 2.88
Steel Blue
#4682B4
ΔE00 3.27
Dusty Blue
#5A86AD
ΔE00 3.48
Faded Blue
#658CBB
ΔE00 3.90
Windows Blue
#3778BF
ΔE00 4.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5183C0 #C08E51
analogous
#51BAC0 #5183C0 #5651C0
triadic
#5183C0 #C05183 #83C051
tetradic
#5183C0 #C051BA #C08E51 #51C056
square
#5183C0 #C051BA #C08E51 #51C056
split-complementary
#5183C0 #C05651 #BAC051
monochromatic
#28486F #38659B #5183C0 #7EA3D0 #ABC3E1
Accessibility & contrast
On white
3.92
#5183C0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.36
#5183C0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5183C0
5.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5183C0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5183C0 | 1.00 | 3.92 | 5.36 | 5.36 |
| #FFFFFF | 3.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.36 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.36 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A86C3
Deuteranopia (green-blind)
#5B7CBF
Tritanopia (blue-blind)
#009199
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #5183c0; /* rgb */ color: rgb(81, 131, 192); /* oklch */ color: oklch(60.2% 0.108 254.2);
Tailwind
colors: {
custom: {
50: '#8aa6d3',
500: '#5183c0',
950: '#000000',
},
}SCSS
$custom: #5183c0; $custom-light: #8aa6d3; $custom-dark: #000000;
JSON
{
"hex": "#5183c0",
"rgb": {
"r": 81,
"g": 131,
"b": 192
},
"hsl": {
"h": 212.973,
"s": 46.835,
"l": 53.529
},
"oklch": {
"l": 0.60164,
"c": 0.10825,
"h": 254.2
},
"luminance": 0.21788
}Semantic roles & 50–950 ramp
primary
#5183C0
secondary
#CEB99F
accent
#9A51D6
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C0F14
muted
#7D7F83