#5366BC#5366BC
#5366BC is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.8% C 0.136 H 271.8°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #5366BC |
|---|---|
| RGB | rgb(83, 102, 188) |
| HSL | hsl(229, 44%, 53%) |
| HSV | hsv(229, 56%, 74%) |
| CMYK | cmyk(55.9%, 45.7%, 0%, 26.3%) |
| CIE-LAB | lab(45.59, 18.37, -47.63) |
| CIE-LCH | lch(45.59, 51.05, 291.09°) |
| OKLab | oklab(53.78% 0.0042 -0.1356) |
| OKLCH | oklch(53.78% 0.136 271.8) |
| XYZ | xyz(17.3928, 14.9713, 49.5404) |
| Luminance | 0.1497 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 4.90
Cornflower Blue
#5170D7
ΔE00 5.11
Royal Blue
#4169E1
ΔE00 5.26
Dark Periwinkle
#665FD1
ΔE00 5.86
Dusky Blue
#475F94
ΔE00 6.29
Iris
#6258C4
ΔE00 6.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5366BC #BCA953
analogous
#539ABC #5366BC #7453BC
triadic
#5366BC #BC5366 #66BC53
tetradic
#5366BC #BC539A #BCA953 #53BC74
square
#5366BC #BC539A #BCA953 #53BC74
split-complementary
#5366BC #BC7453 #9ABC53
monochromatic
#2A356B #3B4B97 #5366BC #7F8DCD #ABB4DE
Accessibility & contrast
On white
5.26
#5366BC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#5366BC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5366BC
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5366BC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5366BC | 1.00 | 5.26 | 3.99 | 5.26 |
| #FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F71BF
Deuteranopia (green-blind)
#3268BA
Tritanopia (blue-blind)
#177988
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #5366bc; /* rgb */ color: rgb(83, 102, 188); /* oklch */ color: oklch(53.8% 0.136 271.8);
Tailwind
colors: {
custom: {
50: '#8b91d1',
500: '#5366bc',
950: '#000000',
},
}SCSS
$custom: #5366bc; $custom-light: #8b91d1; $custom-dark: #000000;
JSON
{
"hex": "#5366bc",
"rgb": {
"r": 83,
"g": 102,
"b": 188
},
"hsl": {
"h": 229.143,
"s": 43.933,
"l": 53.137
},
"oklch": {
"l": 0.53779,
"c": 0.13571,
"h": 271.8
},
"luminance": 0.14973
}Semantic roles & 50–950 ramp
primary
#5366BC
secondary
#CCC49F
accent
#BD54D4
background
#F8F8FC
surface
#F0F0F9
border
#CBCBD2
text
#0D0C14
muted
#7D7D82