#3049BB#3049BB
#3049BB is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.0% C 0.181 H 268.6°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).
Color values
| HEX | #3049BB |
|---|---|
| RGB | rgb(48, 73, 187) |
| HSL | hsl(229, 59%, 46%) |
| HSV | hsv(229, 74%, 73%) |
| CMYK | cmyk(74.3%, 61%, 0%, 26.7%) |
| CIE-LAB | lab(35.95, 30.83, -62.73) |
| CIE-LCH | lch(35.95, 69.90, 296.17°) |
| OKLab | oklab(45.97% -0.0044 -0.1812) |
| OKLCH | oklch(45.97% 0.181 268.6) |
| XYZ | xyz(12.5680, 8.9800, 48.0750) |
| Luminance | 0.0898 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.60
Cobalt
#0047AB
ΔE00 4.41
Blue (survey)
#0343DF
ΔE00 4.65
Sapphire
#0F52BA
ΔE00 4.72
Ocean Blue
#4F42B5
ΔE00 5.21
Sapphire (survey)
#2138AB
ΔE00 5.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3049BB #BBA230
analogous
#308EBB #3049BB #5C30BB
triadic
#3049BB #BB3049 #49BB30
tetradic
#3049BB #BB308E #BBA230 #30BB5C
square
#3049BB #BB308E #BBA230 #30BB5C
split-complementary
#3049BB #BB5C30 #8EBB30
monochromatic
#17235A #23368A #3049BB #556CD3 #8696E0
Accessibility & contrast
On white
7.51
#3049BB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.80
#3049BB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3049BB
7.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3049BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3049BB | 1.00 | 7.51 | 2.80 | 7.51 |
| #FFFFFF | 7.51 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.80 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.51 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005BBF
Deuteranopia (green-blind)
#004EB9
Tritanopia (blue-blind)
#00667B
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #3049bb; /* rgb */ color: rgb(48, 73, 187); /* oklch */ color: oklch(46.0% 0.181 268.6);
Tailwind
colors: {
custom: {
50: '#7c7bd0',
500: '#3049bb',
950: '#000000',
},
}SCSS
$custom: #3049bb; $custom-light: #7c7bd0; $custom-dark: #000000;
JSON
{
"hex": "#3049bb",
"rgb": {
"r": 48,
"g": 73,
"b": 187
},
"hsl": {
"h": 229.209,
"s": 59.149,
"l": 46.078
},
"oklch": {
"l": 0.45971,
"c": 0.18125,
"h": 268.6
},
"luminance": 0.08981
}Semantic roles & 50–950 ramp
primary
#3049BB
secondary
#C9BC7D
accent
#C645E2
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0914
muted
#7C7B82