#3347B6#3347B6
#3347B6 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.3% C 0.176 H 270.0°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).
Color values
| HEX | #3347B6 |
|---|---|
| RGB | rgb(51, 71, 182) |
| HSL | hsl(231, 56%, 46%) |
| HSV | hsv(231, 72%, 71%) |
| CMYK | cmyk(72%, 61%, 0%, 28.6%) |
| CIE-LAB | lab(35.18, 30.66, -61.04) |
| CIE-LCH | lch(35.18, 68.30, 296.67°) |
| OKLab | oklab(45.31% -0.0001 -0.1762) |
| OKLCH | oklch(45.31% 0.176 270) |
| XYZ | xyz(12.0591, 8.5865, 45.2687) |
| Luminance | 0.0859 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.71
Cobalt
#0047AB
ΔE00 4.48
Sapphire (survey)
#2138AB
ΔE00 4.62
Ocean Blue
#4F42B5
ΔE00 4.63
Blue (survey)
#0343DF
ΔE00 5.15
Sapphire
#0F52BA
ΔE00 5.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3347B6 #B6A233
analogous
#3388B6 #3347B6 #6133B6
triadic
#3347B6 #B63347 #47B633
tetradic
#3347B6 #B63388 #B6A233 #33B661
square
#3347B6 #B63388 #B6A233 #33B661
split-complementary
#3347B6 #B66133 #88B633
monochromatic
#182256 #263486 #3347B6 #5669D0 #8694DD
Accessibility & contrast
On white
7.73
#3347B6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.72
#3347B6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3347B6
7.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3347B6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3347B6 | 1.00 | 7.73 | 2.72 | 7.73 |
| #FFFFFF | 7.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.72 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059BA
Deuteranopia (green-blind)
#004DB4
Tritanopia (blue-blind)
#006377
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #3347b6; /* rgb */ color: rgb(51, 71, 182); /* oklch */ color: oklch(45.3% 0.176 270.0);
Tailwind
colors: {
custom: {
50: '#7d7acd',
500: '#3347b6',
950: '#000000',
},
}SCSS
$custom: #3347b6; $custom-light: #7d7acd; $custom-dark: #000000;
JSON
{
"hex": "#3347b6",
"rgb": {
"r": 51,
"g": 71,
"b": 182
},
"hsl": {
"h": 230.84,
"s": 56.223,
"l": 45.686
},
"oklch": {
"l": 0.45312,
"c": 0.17619,
"h": 270
},
"luminance": 0.08588
}Semantic roles & 50–950 ramp
primary
#3347B6
secondary
#C7BC7E
accent
#C848E0
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0914
muted
#7C7B82