#3149B7#3149B7
#3149B7 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.7% C 0.176 H 268.9°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).
Color values
| HEX | #3149B7 |
|---|---|
| RGB | rgb(49, 73, 183) |
| HSL | hsl(229, 58%, 45%) |
| HSV | hsv(229, 73%, 72%) |
| CMYK | cmyk(73.2%, 60.1%, 0%, 28.2%) |
| CIE-LAB | lab(35.67, 29.48, -60.83) |
| CIE-LCH | lch(35.67, 67.60, 295.85°) |
| OKLab | oklab(45.67% -0.0035 -0.1756) |
| OKLCH | oklch(45.67% 0.176 268.9) |
| XYZ | xyz(12.1935, 8.8357, 45.8534) |
| Luminance | 0.0884 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.98
Cobalt
#0047AB
ΔE00 4.14
Sapphire
#0F52BA
ΔE00 4.68
Blue (survey)
#0343DF
ΔE00 5.16
Sapphire (survey)
#2138AB
ΔE00 5.19
Ocean Blue
#4F42B5
ΔE00 5.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3149B7 #B79F31
analogous
#318CB7 #3149B7 #5C31B7
triadic
#3149B7 #B73149 #49B731
tetradic
#3149B7 #B7318C #B79F31 #31B75C
square
#3149B7 #B7318C #B79F31 #31B75C
split-complementary
#3149B7 #B75C31 #8CB731
monochromatic
#172256 #243687 #3149B7 #546AD1 #8494DE
Accessibility & contrast
On white
7.59
#3149B7 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.77
#3149B7 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3149B7
7.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3149B7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3149B7 | 1.00 | 7.59 | 2.77 | 7.59 |
| #FFFFFF | 7.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.77 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005ABB
Deuteranopia (green-blind)
#004EB5
Tritanopia (blue-blind)
#006579
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #3149b7; /* rgb */ color: rgb(49, 73, 183); /* oklch */ color: oklch(45.7% 0.176 268.9);
Tailwind
colors: {
custom: {
50: '#7c7bcd',
500: '#3149b7',
950: '#000000',
},
}SCSS
$custom: #3149b7; $custom-light: #7c7bcd; $custom-dark: #000000;
JSON
{
"hex": "#3149b7",
"rgb": {
"r": 49,
"g": 73,
"b": 183
},
"hsl": {
"h": 229.254,
"s": 57.759,
"l": 45.49
},
"oklch": {
"l": 0.45674,
"c": 0.17563,
"h": 268.9
},
"luminance": 0.08837
}Semantic roles & 50–950 ramp
primary
#3149B7
secondary
#C8BA7C
accent
#C547E1
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0914
muted
#7C7B82