#343BB2#343BB2
#343BB2 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.9% C 0.185 H 273.0°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).
Color values
| HEX | #343BB2 |
|---|---|
| RGB | rgb(52, 59, 178) |
| HSL | hsl(237, 55%, 45%) |
| HSV | hsv(237, 71%, 70%) |
| CMYK | cmyk(70.8%, 66.9%, 0%, 30.2%) |
| CIE-LAB | lab(31.97, 37.00, -63.91) |
| CIE-LCH | lch(31.97, 73.85, 300.07°) |
| OKLab | oklab(42.87% 0.0096 -0.1847) |
| OKLCH | oklch(42.87% 0.185 273) |
| XYZ | xyz(11.0133, 7.0713, 42.8953) |
| Luminance | 0.0707 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.24
Blue Blue
#2242C7
ΔE00 3.61
Ocean Blue
#4F42B5
ΔE00 3.90
Blue With A Hint Of Purple
#533CC6
ΔE00 5.12
Blueberry
#464196
ΔE00 5.28
Blurple
#5539CC
ΔE00 5.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#343BB2 #B2AB34
analogous
#347AB2 #343BB2 #6C34B2
triadic
#343BB2 #B2343B #3BB234
tetradic
#343BB2 #B2347A #B2AB34 #34B26C
square
#343BB2 #B2347A #B2AB34 #34B26C
split-complementary
#343BB2 #B26C34 #7AB234
monochromatic
#181C53 #262B83 #343BB2 #565CCE #858ADB
Accessibility & contrast
On white
8.70
#343BB2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.41
#343BB2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #343BB2
8.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##343BB2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##343BB2 | 1.00 | 8.70 | 2.41 | 8.70 |
| #FFFFFF | 8.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051B6
Deuteranopia (green-blind)
#0045B0
Tritanopia (blue-blind)
#005B71
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #343bb2; /* rgb */ color: rgb(52, 59, 178); /* oklch */ color: oklch(42.9% 0.185 273.0);
Tailwind
colors: {
custom: {
50: '#7d71ca',
500: '#343bb2',
950: '#000000',
},
}SCSS
$custom: #343bb2; $custom-light: #7d71ca; $custom-dark: #000000;
JSON
{
"hex": "#343bb2",
"rgb": {
"r": 52,
"g": 59,
"b": 178
},
"hsl": {
"h": 236.667,
"s": 54.783,
"l": 45.098
},
"oklch": {
"l": 0.42866,
"c": 0.18493,
"h": 273
},
"luminance": 0.07072
}Semantic roles & 50–950 ramp
primary
#343BB2
secondary
#C5C17D
accent
#D64ADE
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0813
muted
#7C7B82