#3573AB#3573AB
#3573AB is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.1% C 0.109 H 248.4°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #3573AB |
|---|---|
| RGB | rgb(53, 115, 171) |
| HSL | hsl(208, 53%, 44%) |
| HSV | hsv(208, 69%, 67%) |
| CMYK | cmyk(69%, 32.7%, 0%, 32.9%) |
| CIE-LAB | lab(46.92, -1.32, -35.72) |
| CIE-LCH | lch(46.92, 35.75, 267.89°) |
| OKLab | oklab(54.11% -0.04 -0.1012) |
| OKLCH | oklch(54.11% 0.109 248.4) |
| XYZ | xyz(14.9469, 15.9570, 40.8125) |
| Luminance | 0.1596 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 0.83
Muted Blue
#3B719F
ΔE00 1.73
Bluish
#2976BB
ΔE00 2.02
Medium Blue
#2C6FBB
ΔE00 2.59
Dull Blue
#49759C
ΔE00 3.07
Windows Blue
#3778BF
ΔE00 3.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3573AB #AB6D35
analogous
#35ABA8 #3573AB #3538AB
triadic
#3573AB #AB3573 #73AB35
tetradic
#3573AB #A835AB #AB6D35 #38AB35
square
#3573AB #A835AB #AB6D35 #38AB35
split-complementary
#3573AB #AB3538 #ABA835
monochromatic
#18344E #27547C #3573AB #5392CA #82AFD8
Accessibility & contrast
On white
5.01
#3573AB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.19
#3573AB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3573AB
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3573AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3573AB | 1.00 | 5.01 | 4.19 | 5.01 |
| #FFFFFF | 5.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A75AD
Deuteranopia (green-blind)
#4A6AAA
Tritanopia (blue-blind)
#008087
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #3573ab; /* rgb */ color: rgb(53, 115, 171); /* oklch */ color: oklch(54.1% 0.109 248.4);
Tailwind
colors: {
custom: {
50: '#7a9bc4',
500: '#3573ab',
950: '#000000',
},
}SCSS
$custom: #3573ab; $custom-light: #7a9bc4; $custom-dark: #000000;
JSON
{
"hex": "#3573ab",
"rgb": {
"r": 53,
"g": 115,
"b": 171
},
"hsl": {
"h": 208.475,
"s": 52.679,
"l": 43.922
},
"oklch": {
"l": 0.54108,
"c": 0.10879,
"h": 248.4
},
"luminance": 0.15959
}Semantic roles & 50–950 ramp
primary
#3573AB
secondary
#C29C7A
accent
#904CDC
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E12
muted
#7C7E81