#3873AD#3873AD
#3873AD is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 54.3% C 0.110 H 250.2°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).
Color values
| HEX | #3873AD |
|---|---|
| RGB | rgb(56, 115, 173) |
| HSL | hsl(210, 51%, 45%) |
| HSV | hsv(210, 68%, 68%) |
| CMYK | cmyk(67.6%, 33.5%, 0%, 32.2%) |
| CIE-LAB | lab(47.13, -0.11, -36.55) |
| CIE-LCH | lch(47.13, 36.55, 269.83°) |
| OKLab | oklab(54.34% -0.0373 -0.1035) |
| OKLCH | oklch(54.34% 0.11 250.2) |
| XYZ | xyz(15.3016, 16.1178, 41.8317) |
| Luminance | 0.1612 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 0.65
Bluish
#2976BB
ΔE00 2.03
Muted Blue
#3B719F
ΔE00 2.07
Medium Blue
#2C6FBB
ΔE00 2.16
Windows Blue
#3778BF
ΔE00 2.69
Dull Blue
#49759C
ΔE00 3.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3873AD #AD7238
analogous
#38ADAD #3873AD #3838AD
triadic
#3873AD #AD3873 #73AD38
tetradic
#3873AD #AD38AD #AD7238 #38AD38
square
#3873AD #AD38AD #AD7238 #38AD38
split-complementary
#3873AD #AD3838 #ADAD38
monochromatic
#1A3651 #29547F #3873AD #5992C9 #87B0D8
Accessibility & contrast
On white
4.97
#3873AD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.22
#3873AD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3873AD
4.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3873AD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3873AD | 1.00 | 4.97 | 4.22 | 4.97 |
| #FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5976AF
Deuteranopia (green-blind)
#496BAC
Tritanopia (blue-blind)
#008188
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #3873ad; /* rgb */ color: rgb(56, 115, 173); /* oklch */ color: oklch(54.3% 0.110 250.2);
Tailwind
colors: {
custom: {
50: '#7b9bc5',
500: '#3873ad',
950: '#000000',
},
}SCSS
$custom: #3873ad; $custom-light: #7b9bc5; $custom-dark: #000000;
JSON
{
"hex": "#3873ad",
"rgb": {
"r": 56,
"g": 115,
"b": 173
},
"hsl": {
"h": 209.744,
"s": 51.092,
"l": 44.902
},
"oklch": {
"l": 0.54337,
"c": 0.11006,
"h": 250.2
},
"luminance": 0.16119
}Semantic roles & 50–950 ramp
primary
#3873AD
secondary
#C2A07F
accent
#934DDB
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82