#4179CD#4179CD
#4179CD is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.0% C 0.143 H 258.4°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).
Color values
| HEX | #4179CD |
|---|---|
| RGB | rgb(65, 121, 205) |
| HSL | hsl(216, 58%, 53%) |
| HSV | hsv(216, 68%, 80%) |
| CMYK | cmyk(68.3%, 41%, 0%, 19.6%) |
| CIE-LAB | lab(50.93, 9.09, -48.94) |
| CIE-LCH | lch(50.93, 49.78, 280.52°) |
| OKLab | oklab(57.95% -0.0287 -0.1396) |
| OKLCH | oklch(57.95% 0.143 258.4) |
| XYZ | xyz(20.0328, 19.2043, 60.3968) |
| Luminance | 0.1921 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.69
Deep Sky Blue
#0D75F8
ΔE00 4.23
Bluish
#2976BB
ΔE00 4.46
Cerulean Blue
#056EEE
ΔE00 4.75
Clear Blue
#247AFD
ΔE00 4.79
Medium Blue
#2C6FBB
ΔE00 4.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4179CD #CD9541
analogous
#41BFCD #4179CD #4F41CD
triadic
#4179CD #CD4179 #79CD41
tetradic
#4179CD #CD41BF #CD9541 #41CD4F
square
#4179CD #CD41BF #CD9541 #41CD4F
split-complementary
#4179CD #CD4F41 #BFCD41
monochromatic
#1F4175 #2C5CA5 #4179CD #719BDA #A2BDE6
Accessibility & contrast
On white
4.34
#4179CD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.84
#4179CD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4179CD
4.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4179CD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4179CD | 1.00 | 4.34 | 4.84 | 4.84 |
| #FFFFFF | 4.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.84 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.84 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5280D0
Deuteranopia (green-blind)
#3C73CB
Tritanopia (blue-blind)
#008C99
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #4179cd; /* rgb */ color: rgb(65, 121, 205); /* oklch */ color: oklch(58.0% 0.143 258.4);
Tailwind
colors: {
custom: {
50: '#859fdd',
500: '#4179cd',
950: '#000000',
},
}SCSS
$custom: #4179cd; $custom-light: #859fdd; $custom-dark: #000000;
JSON
{
"hex": "#4179cd",
"rgb": {
"r": 65,
"g": 121,
"b": 205
},
"hsl": {
"h": 216,
"s": 58.333,
"l": 52.941
},
"oklch": {
"l": 0.57953,
"c": 0.14252,
"h": 258.4
},
"luminance": 0.19206
}Semantic roles & 50–950 ramp
primary
#4179CD
secondary
#D3BB97
accent
#A346E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83