#5366D3#5366D3
#5366D3 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.3% C 0.168 H 272.3°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #5366D3 |
|---|---|
| RGB | rgb(83, 102, 211) |
| HSL | hsl(231, 59%, 58%) |
| HSV | hsv(231, 61%, 83%) |
| CMYK | cmyk(60.7%, 51.7%, 0%, 17.3%) |
| CIE-LAB | lab(47.03, 26.07, -58.56) |
| CIE-LCH | lch(47.03, 64.10, 294.00°) |
| OKLab | oklab(55.33% 0.0068 -0.1678) |
| OKLCH | oklch(55.33% 0.168 272.3) |
| XYZ | xyz(20.0726, 16.0433, 63.6543) |
| Luminance | 0.1605 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 3.06
Cornflower Blue
#5170D7
ΔE00 3.71
Dark Periwinkle
#665FD1
ΔE00 4.50
Warm Blue
#4B57DB
ΔE00 4.90
Azul
#1D5DEC
ΔE00 5.21
Bright Blue
#0165FC
ΔE00 5.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5366D3 #D3C053
analogous
#53A6D3 #5366D3 #8053D3
triadic
#5366D3 #D35366 #66D353
tetradic
#5366D3 #D353A6 #D3C053 #53D380
square
#5366D3 #D353A6 #D3C053 #53D380
split-complementary
#5366D3 #D38053 #A6D353
monochromatic
#233289 #2F44B9 #5366D3 #8491DF #B4BDEC
Accessibility & contrast
On white
4.99
#5366D3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#5366D3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5366D3
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5366D3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5366D3 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2675D7
Deuteranopia (green-blind)
#006AD1
Tritanopia (blue-blind)
#007F93
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #5366d3; /* rgb */ color: rgb(83, 102, 211); /* oklch */ color: oklch(55.3% 0.168 272.3);
Tailwind
colors: {
custom: {
50: '#8f91e1',
500: '#5366d3',
950: '#000000',
},
}SCSS
$custom: #5366d3; $custom-light: #8f91e1; $custom-dark: #000000;
JSON
{
"hex": "#5366d3",
"rgb": {
"r": 83,
"g": 102,
"b": 211
},
"hsl": {
"h": 231.094,
"s": 59.259,
"l": 57.647
},
"oklch": {
"l": 0.5533,
"c": 0.16793,
"h": 272.3
},
"luminance": 0.16045
}Semantic roles & 50–950 ramp
primary
#5366D3
secondary
#DBD3A7
accent
#CB45E2
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0D0C15
muted
#7E7D83