#3569B3#3569B3
#3569B3 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.3% C 0.130 H 257.6°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).
Color values
| HEX | #3569B3 |
|---|---|
| RGB | rgb(53, 105, 179) |
| HSL | hsl(215, 54%, 45%) |
| HSV | hsv(215, 70%, 70%) |
| CMYK | cmyk(70.4%, 41.3%, 0%, 29.8%) |
| CIE-LAB | lab(44.39, 7.78, -44.39) |
| CIE-LCH | lch(44.39, 45.07, 279.94°) |
| OKLab | oklab(52.28% -0.0279 -0.1267) |
| OKLCH | oklch(52.28% 0.13 257.6) |
| XYZ | xyz(14.6535, 14.1132, 44.5909) |
| Luminance | 0.1411 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 1.85
Mid Blue
#276AB3
ΔE00 1.90
Medium Blue
#2C6FBB
ΔE00 2.75
Denim
#1560BD
ΔE00 3.32
Flat Blue
#3C73A8
ΔE00 4.21
Muted Blue
#3B719F
ΔE00 4.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3569B3 #B37F35
analogous
#35A8B3 #3569B3 #4035B3
triadic
#3569B3 #B33569 #69B335
tetradic
#3569B3 #B335A8 #B37F35 #35B340
square
#3569B3 #B335A8 #B37F35 #35B340
split-complementary
#3569B3 #B34035 #A8B335
monochromatic
#193255 #274D84 #3569B3 #5888CD #87AADB
Accessibility & contrast
On white
5.49
#3569B3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.82
#3569B3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3569B3
5.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3569B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3569B3 | 1.00 | 5.49 | 3.82 | 5.49 |
| #FFFFFF | 5.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.82 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#466FB6
Deuteranopia (green-blind)
#3264B1
Tritanopia (blue-blind)
#007A85
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #3569b3; /* rgb */ color: rgb(53, 105, 179); /* oklch */ color: oklch(52.3% 0.130 257.6);
Tailwind
colors: {
custom: {
50: '#7b93ca',
500: '#3569b3',
950: '#000000',
},
}SCSS
$custom: #3569b3; $custom-light: #7b93ca; $custom-dark: #000000;
JSON
{
"hex": "#3569b3",
"rgb": {
"r": 53,
"g": 105,
"b": 179
},
"hsl": {
"h": 215.238,
"s": 54.31,
"l": 45.49
},
"oklch": {
"l": 0.52277,
"c": 0.12974,
"h": 257.6
},
"luminance": 0.14115
}Semantic roles & 50–950 ramp
primary
#3569B3
secondary
#C5A87F
accent
#A14ADE
background
#F8F9FC
surface
#EFF1F8
border
#CACBD1
text
#0A0D13
muted
#7C7E82