#3140B9#3140B9
#3140B9 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.2% C 0.189 H 270.8°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).
Color values
| HEX | #3140B9 |
|---|---|
| RGB | rgb(49, 64, 185) |
| HSL | hsl(233, 58%, 46%) |
| HSV | hsv(233, 74%, 73%) |
| CMYK | cmyk(73.5%, 65.4%, 0%, 27.5%) |
| CIE-LAB | lab(33.61, 35.98, -65.38) |
| CIE-LCH | lch(33.61, 74.63, 298.83°) |
| OKLab | oklab(44.21% 0.0026 -0.189) |
| OKLCH | oklch(44.21% 0.189 270.8) |
| XYZ | xyz(11.8540, 7.8213, 46.7745) |
| Luminance | 0.0782 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.06
Sapphire (survey)
#2138AB
ΔE00 3.17
Ocean Blue
#4F42B5
ΔE00 3.95
Blue (survey)
#0343DF
ΔE00 4.79
Blue With A Hint Of Purple
#533CC6
ΔE00 5.18
Cobalt
#0047AB
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3140B9 #B9AA31
analogous
#3184B9 #3140B9 #6631B9
triadic
#3140B9 #B93140 #40B931
tetradic
#3140B9 #B93184 #B9AA31 #31B966
square
#3140B9 #B93184 #B9AA31 #31B966
split-complementary
#3140B9 #B96631 #84B931
monochromatic
#171F58 #242F89 #3140B9 #5563D2 #868FDF
Accessibility & contrast
On white
8.19
#3140B9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.56
#3140B9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3140B9
8.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3140B9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3140B9 | 1.00 | 8.19 | 2.56 | 8.19 |
| #FFFFFF | 8.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056BD
Deuteranopia (green-blind)
#0049B7
Tritanopia (blue-blind)
#006077
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #3140b9; /* rgb */ color: rgb(49, 64, 185); /* oklch */ color: oklch(44.2% 0.189 270.8);
Tailwind
colors: {
custom: {
50: '#7d75cf',
500: '#3140b9',
950: '#000000',
},
}SCSS
$custom: #3140b9; $custom-light: #7d75cf; $custom-dark: #000000;
JSON
{
"hex": "#3140b9",
"rgb": {
"r": 49,
"g": 64,
"b": 185
},
"hsl": {
"h": 233.382,
"s": 58.12,
"l": 45.882
},
"oklch": {
"l": 0.44209,
"c": 0.18903,
"h": 270.8
},
"luminance": 0.07823
}Semantic roles & 50–950 ramp
primary
#3140B9
secondary
#C8C07D
accent
#D046E1
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0814
muted
#7C7B82