#345BB4#345BB4
#345BB4 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.148 H 264.0°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).
Color values
| HEX | #345BB4 |
|---|---|
| RGB | rgb(52, 91, 180) |
| HSL | hsl(222, 55%, 45%) |
| HSV | hsv(222, 71%, 71%) |
| CMYK | cmyk(71.1%, 49.4%, 0%, 29.4%) |
| CIE-LAB | lab(40.42, 16.99, -51.35) |
| CIE-LCH | lch(40.42, 54.09, 288.31°) |
| OKLab | oklab(49.23% -0.0156 -0.1474) |
| OKLCH | oklch(49.23% 0.148 264) |
| XYZ | xyz(13.3926, 11.5061, 44.6863) |
| Luminance | 0.1151 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 3.40
Denim
#1560BD
ΔE00 3.64
Denim Blue
#3B5B92
ΔE00 4.35
Dusky Blue
#475F94
ΔE00 5.05
French Blue
#436BAD
ΔE00 5.53
Denim (survey)
#3B638C
ΔE00 5.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#345BB4 #B48D34
analogous
#349BB4 #345BB4 #4D34B4
triadic
#345BB4 #B4345B #5BB434
tetradic
#345BB4 #B4349B #B48D34 #34B44D
square
#345BB4 #B4349B #B48D34 #34B44D
split-complementary
#345BB4 #B44D34 #9BB434
monochromatic
#192B55 #264385 #345BB4 #577BCE #86A0DC
Accessibility & contrast
On white
6.36
#345BB4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.30
#345BB4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #345BB4
6.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##345BB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##345BB4 | 1.00 | 6.36 | 3.30 | 6.36 |
| #FFFFFF | 6.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.36 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2965B7
Deuteranopia (green-blind)
#005AB2
Tritanopia (blue-blind)
#00707F
Achromatopsia (no color)
#5F5F5F
Design tokens & code
CSS
--color: #345bb4; /* rgb */ color: rgb(52, 91, 180); /* oklch */ color: oklch(49.2% 0.148 264.0);
Tailwind
colors: {
custom: {
50: '#7b88cb',
500: '#345bb4',
950: '#000000',
},
}SCSS
$custom: #345bb4; $custom-light: #7b88cb; $custom-dark: #000000;
JSON
{
"hex": "#345bb4",
"rgb": {
"r": 52,
"g": 91,
"b": 180
},
"hsl": {
"h": 221.719,
"s": 55.172,
"l": 45.49
},
"oklch": {
"l": 0.49226,
"c": 0.14821,
"h": 264
},
"luminance": 0.11508
}Semantic roles & 50–950 ramp
primary
#345BB4
secondary
#C6B07E
accent
#B149DF
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0B0B13
muted
#7C7C82