#3753AD#3753AD
#3753AD is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.2% C 0.148 H 267.5°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3753AD |
|---|---|
| RGB | rgb(55, 83, 173) |
| HSL | hsl(226, 52%, 45%) |
| HSV | hsv(226, 68%, 68%) |
| CMYK | cmyk(68.2%, 52%, 0%, 32.2%) |
| CIE-LAB | lab(37.87, 20.09, -51.33) |
| CIE-LCH | lch(37.87, 55.12, 291.37°) |
| OKLab | oklab(47.17% -0.0065 -0.1474) |
| OKLCH | oklch(47.17% 0.148 267.5) |
| XYZ | xyz(12.2090, 10.0147, 40.8167) |
| Luminance | 0.1002 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 3.27
Cobalt
#0047AB
ΔE00 4.74
Denim Blue
#3B5B92
ΔE00 4.87
Dusky Blue
#475F94
ΔE00 5.68
Dusk Blue
#26538D
ΔE00 5.69
Cobalt (survey)
#1E488F
ΔE00 5.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3753AD #AD9137
analogous
#378EAD #3753AD #5637AD
triadic
#3753AD #AD3753 #53AD37
tetradic
#3753AD #AD378E #AD9137 #37AD56
square
#3753AD #AD378E #AD9137 #37AD56
split-complementary
#3753AD #AD5637 #8EAD37
monochromatic
#192650 #283D7F #3753AD #5773CA #869AD8
Accessibility & contrast
On white
6.99
#3753AD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.00
#3753AD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3753AD
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3753AD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3753AD | 1.00 | 6.99 | 3.00 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 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: #3753ad; /* rgb */ color: rgb(55, 83, 173); /* oklch */ color: oklch(47.2% 0.148 267.5);
Tailwind
colors: {
custom: {
50: '#7c82c6',
500: '#3753ad',
950: '#000000',
},
}SCSS
$custom: #3753ad; $custom-light: #7c82c6; $custom-dark: #000000;
JSON
{
"hex": "#3753ad",
"rgb": {
"r": 55,
"g": 83,
"b": 173
},
"hsl": {
"h": 225.763,
"s": 51.754,
"l": 44.706
},
"oklch": {
"l": 0.47172,
"c": 0.14754,
"h": 267.5
},
"luminance": 0.10016
}Semantic roles & 50–950 ramp
primary
#3753AD
secondary
#C2B27D
accent
#B94DDB
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0B0A13
muted
#7C7C82