#3553AD#3553AD
#3553AD is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.1% C 0.148 H 266.8°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).
Color values
| HEX | #3553AD |
|---|---|
| RGB | rgb(53, 83, 173) |
| HSL | hsl(225, 53%, 44%) |
| HSV | hsv(225, 69%, 68%) |
| CMYK | cmyk(69.4%, 52%, 0%, 32.2%) |
| CIE-LAB | lab(37.77, 19.78, -51.50) |
| CIE-LCH | lch(37.77, 55.16, 291.01°) |
| OKLab | oklab(47.07% -0.0084 -0.1479) |
| OKLCH | oklch(47.07% 0.148 266.8) |
| XYZ | xyz(12.1017, 9.9593, 40.8116) |
| Luminance | 0.0996 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 3.02
Cobalt
#0047AB
ΔE00 4.57
Denim Blue
#3B5B92
ΔE00 4.77
Dusk Blue
#26538D
ΔE00 5.49
Dusky Blue
#475F94
ΔE00 5.70
Cobalt (survey)
#1E488F
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3553AD #AD8F35
analogous
#358FAD #3553AD #5335AD
triadic
#3553AD #AD3553 #53AD35
tetradic
#3553AD #AD358F #AD8F35 #35AD53
square
#3553AD #AD358F #AD8F35 #35AD53
split-complementary
#3553AD #AD5335 #8FAD35
monochromatic
#18264F #273D7E #3553AD #5472CB #8399D9
Accessibility & contrast
On white
7.02
#3553AD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.99
#3553AD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3553AD
7.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3553AD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3553AD | 1.00 | 7.02 | 2.99 | 7.02 |
| #FFFFFF | 7.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1B5FB0
Deuteranopia (green-blind)
#0054AB
Tritanopia (blue-blind)
#006878
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #3553ad; /* rgb */ color: rgb(53, 83, 173); /* oklch */ color: oklch(47.1% 0.148 266.8);
Tailwind
colors: {
custom: {
50: '#7b82c6',
500: '#3553ad',
950: '#000000',
},
}SCSS
$custom: #3553ad; $custom-light: #7b82c6; $custom-dark: #000000;
JSON
{
"hex": "#3553ad",
"rgb": {
"r": 53,
"g": 83,
"b": 173
},
"hsl": {
"h": 225,
"s": 53.097,
"l": 44.314
},
"oklch": {
"l": 0.4707,
"c": 0.14817,
"h": 266.8
},
"luminance": 0.09961
}Semantic roles & 50–950 ramp
primary
#3553AD
secondary
#C3B17B
accent
#B84BDD
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0A0A13
muted
#7C7C82