#3568CB#3568CB
#3568CB is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.7% C 0.164 H 262.0°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #3568CB |
|---|---|
| RGB | rgb(53, 104, 203) |
| HSL | hsl(220, 59%, 50%) |
| HSV | hsv(220, 74%, 80%) |
| CMYK | cmyk(73.9%, 48.8%, 0%, 20.4%) |
| CIE-LAB | lab(45.59, 17.31, -56.38) |
| CIE-LCH | lch(45.59, 58.97, 287.07°) |
| OKLab | oklab(53.67% -0.0228 -0.1619) |
| OKLCH | oklch(53.67% 0.164 262) |
| XYZ | xyz(17.1941, 14.9674, 58.4712) |
| Luminance | 0.1497 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.53
Royal Blue
#4169E1
ΔE00 3.68
Denim
#1560BD
ΔE00 4.10
Medium Blue
#2C6FBB
ΔE00 4.36
Mid Blue
#276AB3
ΔE00 4.46
Cerulean Blue
#056EEE
ΔE00 4.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3568CB #CB9835
analogous
#35B3CB #3568CB #4D35CB
triadic
#3568CB #CB3568 #68CB35
tetradic
#3568CB #CB35B3 #CB9835 #35CB4D
square
#3568CB #CB35B3 #CB9835 #35CB4D
split-complementary
#3568CB #CB4D35 #B3CB35
monochromatic
#1B366A #284F9B #3568CB #668CD8 #96B1E4
Accessibility & contrast
On white
5.26
#3568CB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#3568CB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3568CB
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3568CB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3568CB | 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)
#2F73CF
Deuteranopia (green-blind)
#0065C9
Tritanopia (blue-blind)
#008090
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #3568cb; /* rgb */ color: rgb(53, 104, 203); /* oklch */ color: oklch(53.7% 0.164 262.0);
Tailwind
colors: {
custom: {
50: '#8092db',
500: '#3568cb',
950: '#000000',
},
}SCSS
$custom: #3568cb; $custom-light: #8092db; $custom-dark: #000000;
JSON
{
"hex": "#3568cb",
"rgb": {
"r": 53,
"g": 104,
"b": 203
},
"hsl": {
"h": 219.6,
"s": 59.055,
"l": 50.196
},
"oklch": {
"l": 0.53674,
"c": 0.16353,
"h": 262
},
"luminance": 0.14969
}Semantic roles & 50–950 ramp
primary
#3568CB
secondary
#CFB98C
accent
#AD46E2
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83