#344BB3#344BB3
#344BB3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.9% C 0.167 H 269.3°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).
Color values
| HEX | #344BB3 |
|---|---|
| RGB | rgb(52, 75, 179) |
| HSL | hsl(229, 55%, 45%) |
| HSV | hsv(229, 71%, 70%) |
| CMYK | cmyk(70.9%, 58.1%, 0%, 29.8%) |
| CIE-LAB | lab(36.01, 27.09, -57.90) |
| CIE-LCH | lch(36.01, 63.92, 295.08°) |
| OKLab | oklab(45.88% -0.0022 -0.1669) |
| OKLCH | oklch(45.88% 0.167 269.3) |
| XYZ | xyz(12.0661, 9.0157, 43.7434) |
| Luminance | 0.0902 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.84
Cobalt
#0047AB
ΔE00 4.05
Sapphire
#0F52BA
ΔE00 4.36
Ocean Blue
#4F42B5
ΔE00 5.55
Sapphire (survey)
#2138AB
ΔE00 5.72
Blue (survey)
#0343DF
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#344BB3 #B39C34
analogous
#348AB3 #344BB3 #5D34B3
triadic
#344BB3 #B3344B #4BB334
tetradic
#344BB3 #B3348A #B39C34 #34B35D
square
#344BB3 #B3348A #B39C34 #34B35D
split-complementary
#344BB3 #B35D34 #8AB334
monochromatic
#182354 #263784 #344BB3 #566CCE #8695DC
Accessibility & contrast
On white
7.49
#344BB3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.80
#344BB3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #344BB3
7.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##344BB3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##344BB3 | 1.00 | 7.49 | 2.80 | 7.49 |
| #FFFFFF | 7.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.80 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005BB7
Deuteranopia (green-blind)
#004FB1
Tritanopia (blue-blind)
#006577
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #344bb3; /* rgb */ color: rgb(52, 75, 179); /* oklch */ color: oklch(45.9% 0.167 269.3);
Tailwind
colors: {
custom: {
50: '#7c7dcb',
500: '#344bb3',
950: '#000000',
},
}SCSS
$custom: #344bb3; $custom-light: #7c7dcb; $custom-dark: #000000;
JSON
{
"hex": "#344bb3",
"rgb": {
"r": 52,
"g": 75,
"b": 179
},
"hsl": {
"h": 229.134,
"s": 54.978,
"l": 45.294
},
"oklch": {
"l": 0.45875,
"c": 0.1669,
"h": 269.3
},
"luminance": 0.09017
}Semantic roles & 50–950 ramp
primary
#344BB3
secondary
#C5B87D
accent
#C349DE
background
#F8F7FC
surface
#EFEEF9
border
#CAC9D2
text
#0B0913
muted
#7C7B82