#5375CF#5375CF
#5375CF is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.1% C 0.144 H 266.4°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #5375CF |
|---|---|
| RGB | rgb(83, 117, 207) |
| HSL | hsl(224, 56%, 57%) |
| HSV | hsv(224, 60%, 81%) |
| CMYK | cmyk(59.9%, 43.5%, 0%, 18.8%) |
| CIE-LAB | lab(50.76, 15.40, -50.29) |
| CIE-LCH | lch(50.76, 52.59, 287.02°) |
| OKLab | oklab(58.09% -0.0089 -0.1433) |
| OKLCH | oklch(58.09% 0.144 266.4) |
| XYZ | xyz(21.1872, 19.0648, 61.5827) |
| Luminance | 0.1907 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.04
Royal Blue
#4169E1
ΔE00 4.58
Cerulean Blue
#056EEE
ΔE00 5.46
Lightish Blue
#3D7AFD
ΔE00 5.61
Deep Sky Blue
#0D75F8
ΔE00 5.61
Windows Blue
#3778BF
ΔE00 6.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5375CF #CFAD53
analogous
#53B3CF #5375CF #6F53CF
triadic
#5375CF #CF5375 #75CF53
tetradic
#5375CF #CF53B3 #CFAD53 #53CF6F
square
#5375CF #CF53B3 #CFAD53 #53CF6F
split-complementary
#5375CF #CF6F53 #B3CF53
monochromatic
#253E83 #3255B3 #5375CF #839BDC #B3C2EA
Accessibility & contrast
On white
4.36
#5375CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.81
#5375CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5375CF
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5375CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5375CF | 1.00 | 4.36 | 4.81 | 4.81 |
| #FFFFFF | 4.36 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C7FD2
Deuteranopia (green-blind)
#3A74CD
Tritanopia (blue-blind)
#008998
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #5375cf; /* rgb */ color: rgb(83, 117, 207); /* oklch */ color: oklch(58.1% 0.144 266.4);
Tailwind
colors: {
custom: {
50: '#8e9cde',
500: '#5375cf',
950: '#000000',
},
}SCSS
$custom: #5375cf; $custom-light: #8e9cde; $custom-dark: #000000;
JSON
{
"hex": "#5375cf",
"rgb": {
"r": 83,
"g": 117,
"b": 207
},
"hsl": {
"h": 223.548,
"s": 56.364,
"l": 56.863
},
"oklch": {
"l": 0.58091,
"c": 0.14358,
"h": 266.4
},
"luminance": 0.19067
}Semantic roles & 50–950 ramp
primary
#5375CF
secondary
#D8CAA6
accent
#B648E0
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0E15
muted
#7E7E83