#4183C3#4183C3
#4183C3 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.6% C 0.119 H 249.9°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #4183C3 |
|---|---|
| RGB | rgb(65, 131, 195) |
| HSL | hsl(210, 52%, 51%) |
| HSV | hsv(210, 67%, 76%) |
| CMYK | cmyk(66.7%, 32.8%, 0%, 23.5%) |
| CIE-LAB | lab(53.27, -0.48, -39.53) |
| CIE-LCH | lch(53.27, 39.53, 269.31°) |
| OKLab | oklab(59.61% -0.041 -0.1119) |
| OKLCH | oklch(59.61% 0.119 249.9) |
| XYZ | xyz(20.1429, 21.2945, 54.6679) |
| Luminance | 0.2130 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 1.54
Steel Blue
#4682B4
ΔE00 2.06
Off Blue
#5684AE
ΔE00 3.36
Cerulean (survey)
#0485D1
ΔE00 3.40
Water Blue
#0E87CC
ΔE00 4.05
Windows Blue
#3778BF
ΔE00 4.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4183C3 #C38141
analogous
#41C3C2 #4183C3 #4142C3
triadic
#4183C3 #C34183 #83C341
tetradic
#4183C3 #C241C3 #C38141 #42C341
square
#4183C3 #C241C3 #C38141 #42C341
split-complementary
#4183C3 #C34142 #C3C241
monochromatic
#214569 #306497 #4183C3 #70A1D2 #9EC0E0
Accessibility & contrast
On white
3.99
#4183C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.26
#4183C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4183C3
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4183C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4183C3 | 1.00 | 3.99 | 5.26 | 5.26 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6786C6
Deuteranopia (green-blind)
#557AC2
Tritanopia (blue-blind)
#00929A
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #4183c3; /* rgb */ color: rgb(65, 131, 195); /* oklch */ color: oklch(59.6% 0.119 249.9);
Tailwind
colors: {
custom: {
50: '#83a6d5',
500: '#4183c3',
950: '#000000',
},
}SCSS
$custom: #4183c3; $custom-light: #83a6d5; $custom-dark: #000000;
JSON
{
"hex": "#4183c3",
"rgb": {
"r": 65,
"g": 131,
"b": 195
},
"hsl": {
"h": 209.538,
"s": 52,
"l": 50.98
},
"oklch": {
"l": 0.59611,
"c": 0.11922,
"h": 249.9
},
"luminance": 0.21297
}Semantic roles & 50–950 ramp
primary
#4183C3
secondary
#CDAF93
accent
#934CDB
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C0F14
muted
#7D7F83