#3163AB#3163AB
#3163AB is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.2% C 0.127 H 257.8°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3163AB |
|---|---|
| RGB | rgb(49, 99, 171) |
| HSL | hsl(215, 55%, 43%) |
| HSV | hsv(215, 71%, 67%) |
| CMYK | cmyk(71.3%, 42.1%, 0%, 32.9%) |
| CIE-LAB | lab(42.02, 8.02, -43.49) |
| CIE-LCH | lch(42.02, 44.22, 280.44°) |
| OKLab | oklab(50.25% -0.0269 -0.1242) |
| OKLCH | oklch(50.25% 0.127 257.8) |
| XYZ | xyz(13.0765, 12.5155, 40.2468) |
| Luminance | 0.1252 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim
#1560BD
ΔE00 2.30
Mid Blue
#276AB3
ΔE00 3.15
French Blue
#436BAD
ΔE00 3.21
Denim (survey)
#3B638C
ΔE00 3.90
Denim Blue
#3B5B92
ΔE00 4.43
Medium Blue
#2C6FBB
ΔE00 4.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3163AB #AB7931
analogous
#31A0AB #3163AB #3C31AB
triadic
#3163AB #AB3163 #63AB31
tetradic
#3163AB #AB31A0 #AB7931 #31AB3C
square
#3163AB #AB31A0 #AB7931 #31AB3C
split-complementary
#3163AB #AB3C31 #A0AB31
monochromatic
#162C4C #23477B #3163AB #4D81CC #7DA3DA
Accessibility & contrast
On white
5.99
#3163AB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#3163AB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3163AB
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3163AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3163AB | 1.00 | 5.99 | 3.50 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4169AE
Deuteranopia (green-blind)
#2D5EAA
Tritanopia (blue-blind)
#00747E
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #3163ab; /* rgb */ color: rgb(49, 99, 171); /* oklch */ color: oklch(50.2% 0.127 257.8);
Tailwind
colors: {
custom: {
50: '#788ec4',
500: '#3163ab',
950: '#000000',
},
}SCSS
$custom: #3163ab; $custom-light: #788ec4; $custom-dark: #000000;
JSON
{
"hex": "#3163ab",
"rgb": {
"r": 49,
"g": 99,
"b": 171
},
"hsl": {
"h": 215.41,
"s": 55.455,
"l": 43.137
},
"oklch": {
"l": 0.50245,
"c": 0.12708,
"h": 257.8
},
"luminance": 0.12517
}Semantic roles & 50–950 ramp
primary
#3163AB
secondary
#C2A375
accent
#A149DF
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#0A0C13
muted
#7C7D82