#3149B0#3149B0
#3149B0 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.1% C 0.166 H 268.8°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).
Color values
| HEX | #3149B0 |
|---|---|
| RGB | rgb(49, 73, 176) |
| HSL | hsl(229, 56%, 44%) |
| HSV | hsv(229, 72%, 69%) |
| CMYK | cmyk(72.2%, 58.5%, 0%, 31%) |
| CIE-LAB | lab(35.11, 26.89, -57.60) |
| CIE-LCH | lch(35.11, 63.57, 295.03°) |
| OKLab | oklab(45.08% -0.0036 -0.1661) |
| OKLCH | oklch(45.08% 0.166 268.8) |
| XYZ | xyz(11.4829, 8.5515, 42.1113) |
| Luminance | 0.0855 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 3.61
Blue Blue
#2242C7
ΔE00 3.77
Sapphire
#0F52BA
ΔE00 4.61
Sapphire (survey)
#2138AB
ΔE00 5.09
Ocean Blue
#4F42B5
ΔE00 5.59
Cobalt (survey)
#1E488F
ΔE00 5.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3149B0 #B09831
analogous
#3189B0 #3149B0 #5931B0
triadic
#3149B0 #B03149 #49B031
tetradic
#3149B0 #B03189 #B09831 #31B059
square
#3149B0 #B03189 #B09831 #31B059
split-complementary
#3149B0 #B05931 #89B031
monochromatic
#162150 #243580 #3149B0 #5068CE #8091DC
Accessibility & contrast
On white
7.75
#3149B0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#3149B0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3149B0
7.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3149B0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3149B0 | 1.00 | 7.75 | 2.71 | 7.75 |
| #FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059B3
Deuteranopia (green-blind)
#004DAE
Tritanopia (blue-blind)
#006375
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #3149b0; /* rgb */ color: rgb(49, 73, 176); /* oklch */ color: oklch(45.1% 0.166 268.8);
Tailwind
colors: {
custom: {
50: '#7a7bc8',
500: '#3149b0',
950: '#000000',
},
}SCSS
$custom: #3149b0; $custom-light: #7a7bc8; $custom-dark: #000000;
JSON
{
"hex": "#3149b0",
"rgb": {
"r": 49,
"g": 73,
"b": 176
},
"hsl": {
"h": 228.661,
"s": 56.444,
"l": 44.118
},
"oklch": {
"l": 0.45082,
"c": 0.16616,
"h": 268.8
},
"luminance": 0.08553
}Semantic roles & 50–950 ramp
primary
#3149B0
secondary
#C5B678
accent
#C348E0
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82