#3345B1#3345B1
#3345B1 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.5% C 0.172 H 270.5°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3345B1 |
|---|---|
| RGB | rgb(51, 69, 177) |
| HSL | hsl(231, 55%, 45%) |
| HSV | hsv(231, 71%, 69%) |
| CMYK | cmyk(71.2%, 61%, 0%, 30.6%) |
| CIE-LAB | lab(34.26, 30.14, -59.57) |
| CIE-LCH | lch(34.26, 66.76, 296.84°) |
| OKLab | oklab(44.51% 0.0014 -0.1719) |
| OKLCH | oklch(44.51% 0.172 270.5) |
| XYZ | xyz(11.4265, 8.1332, 42.5541) |
| Luminance | 0.0813 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.07
Sapphire (survey)
#2138AB
ΔE00 3.92
Cobalt
#0047AB
ΔE00 4.43
Ocean Blue
#4F42B5
ΔE00 4.51
Blueberry
#464196
ΔE00 5.27
Blue (survey)
#0343DF
ΔE00 5.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3345B1 #B19F33
analogous
#3384B1 #3345B1 #6033B1
triadic
#3345B1 #B13345 #45B133
tetradic
#3345B1 #B13384 #B19F33 #33B160
square
#3345B1 #B13384 #B19F33 #33B160
split-complementary
#3345B1 #B16033 #84B133
monochromatic
#182052 #253281 #3345B1 #5465CE #8390DB
Accessibility & contrast
On white
7.99
#3345B1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#3345B1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3345B1
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3345B1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3345B1 | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B5
Deuteranopia (green-blind)
#004BAF
Tritanopia (blue-blind)
#006074
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3345b1; /* rgb */ color: rgb(51, 69, 177); /* oklch */ color: oklch(44.5% 0.172 270.5);
Tailwind
colors: {
custom: {
50: '#7c78c9',
500: '#3345b1',
950: '#000000',
},
}SCSS
$custom: #3345b1; $custom-light: #7c78c9; $custom-dark: #000000;
JSON
{
"hex": "#3345b1",
"rgb": {
"r": 51,
"g": 69,
"b": 177
},
"hsl": {
"h": 231.429,
"s": 55.263,
"l": 44.706
},
"oklch": {
"l": 0.44505,
"c": 0.17192,
"h": 270.5
},
"luminance": 0.08134
}Semantic roles & 50–950 ramp
primary
#3345B1
secondary
#C5BA7B
accent
#C949DF
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82