#343EB0#343EB0
#343EB0 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.2% C 0.179 H 272.5°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).
Color values
| HEX | #343EB0 |
|---|---|
| RGB | rgb(52, 62, 176) |
| HSL | hsl(235, 54%, 45%) |
| HSV | hsv(235, 70%, 69%) |
| CMYK | cmyk(70.5%, 64.8%, 0%, 31%) |
| CIE-LAB | lab(32.50, 34.41, -61.85) |
| CIE-LCH | lch(32.50, 70.78, 299.09°) |
| OKLab | oklab(43.2% 0.0077 -0.1786) |
| OKLCH | oklch(43.2% 0.179 272.5) |
| XYZ | xyz(10.9726, 7.3088, 41.8984) |
| Luminance | 0.0731 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.38
Blue Blue
#2242C7
ΔE00 3.37
Ocean Blue
#4F42B5
ΔE00 3.87
Blueberry
#464196
ΔE00 4.88
Blue With A Hint Of Purple
#533CC6
ΔE00 5.51
Cobalt
#0047AB
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#343EB0 #B0A634
analogous
#347CB0 #343EB0 #6834B0
triadic
#343EB0 #B0343E #3EB034
tetradic
#343EB0 #B0347C #B0A634 #34B068
square
#343EB0 #B0347C #B0A634 #34B068
split-complementary
#343EB0 #B06834 #7CB034
monochromatic
#181D52 #262D81 #343EB0 #555ECD #848BDB
Accessibility & contrast
On white
8.53
#343EB0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.46
#343EB0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #343EB0
8.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##343EB0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##343EB0 | 1.00 | 8.53 | 2.46 | 8.53 |
| #FFFFFF | 8.53 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.46 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.53 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052B4
Deuteranopia (green-blind)
#0047AE
Tritanopia (blue-blind)
#005C71
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #343eb0; /* rgb */ color: rgb(52, 62, 176); /* oklch */ color: oklch(43.2% 0.179 272.5);
Tailwind
colors: {
custom: {
50: '#7c73c9',
500: '#343eb0',
950: '#000000',
},
}SCSS
$custom: #343eb0; $custom-light: #7c73c9; $custom-dark: #000000;
JSON
{
"hex": "#343eb0",
"rgb": {
"r": 52,
"g": 62,
"b": 176
},
"hsl": {
"h": 235.161,
"s": 54.386,
"l": 44.706
},
"oklch": {
"l": 0.43199,
"c": 0.1788,
"h": 272.5
},
"luminance": 0.0731
}Semantic roles & 50–950 ramp
primary
#343EB0
secondary
#C4BE7C
accent
#D24ADE
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0813
muted
#7C7B82