#3143B6#3143B6
#3143B6 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.182 H 270.2°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).
Color values
| HEX | #3143B6 |
|---|---|
| RGB | rgb(49, 67, 182) |
| HSL | hsl(232, 58%, 45%) |
| HSV | hsv(232, 73%, 71%) |
| CMYK | cmyk(73.1%, 63.2%, 0%, 28.6%) |
| CIE-LAB | lab(34.07, 32.99, -62.84) |
| CIE-LCH | lch(34.07, 70.98, 297.70°) |
| OKLab | oklab(44.47% 0.0007 -0.1816) |
| OKLCH | oklch(44.47% 0.182 270.2) |
| XYZ | xyz(11.7144, 8.0435, 45.1821) |
| Luminance | 0.0804 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.27
Sapphire (survey)
#2138AB
ΔE00 3.55
Ocean Blue
#4F42B5
ΔE00 4.25
Cobalt
#0047AB
ΔE00 4.90
Blue (survey)
#0343DF
ΔE00 5.04
Blueberry
#464196
ΔE00 5.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3143B6 #B6A431
analogous
#3185B6 #3143B6 #6231B6
triadic
#3143B6 #B63143 #43B631
tetradic
#3143B6 #B63185 #B6A431 #31B662
square
#3143B6 #B63185 #B6A431 #31B662
split-complementary
#3143B6 #B66231 #85B631
monochromatic
#171F56 #243186 #3143B6 #5364D1 #8490DE
Accessibility & contrast
On white
8.05
#3143B6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.61
#3143B6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3143B6
8.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3143B6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3143B6 | 1.00 | 8.05 | 2.61 | 8.05 |
| #FFFFFF | 8.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056BA
Deuteranopia (green-blind)
#004AB4
Tritanopia (blue-blind)
#006176
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #3143b6; /* rgb */ color: rgb(49, 67, 182); /* oklch */ color: oklch(44.5% 0.182 270.2);
Tailwind
colors: {
custom: {
50: '#7c77cd',
500: '#3143b6',
950: '#000000',
},
}SCSS
$custom: #3143b6; $custom-light: #7c77cd; $custom-dark: #000000;
JSON
{
"hex": "#3143b6",
"rgb": {
"r": 49,
"g": 67,
"b": 182
},
"hsl": {
"h": 231.88,
"s": 57.576,
"l": 45.294
},
"oklch": {
"l": 0.4447,
"c": 0.18157,
"h": 270.2
},
"luminance": 0.08045
}Semantic roles & 50–950 ramp
primary
#3143B6
secondary
#C7BD7C
accent
#CC47E1
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0814
muted
#7C7B82