#343DA2#343DA2
#343DA2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.161 H 273.3°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #343DA2 |
|---|---|
| RGB | rgb(52, 61, 162) |
| HSL | hsl(235, 51%, 42%) |
| HSV | hsv(235, 68%, 64%) |
| CMYK | cmyk(67.9%, 62.3%, 0%, 36.5%) |
| CIE-LAB | lab(31.06, 30.06, -55.82) |
| CIE-LCH | lch(31.06, 63.40, 298.30°) |
| OKLab | oklab(41.77% 0.0092 -0.1609) |
| OKLCH | oklch(41.77% 0.161 273.3) |
| XYZ | xyz(9.6043, 6.6753, 34.9577) |
| Luminance | 0.0668 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.42
Blueberry
#464196
ΔE00 3.59
Ocean Blue
#4F42B5
ΔE00 4.93
Blue Blue
#2242C7
ΔE00 5.20
Darkslateblue
#483D8B
ΔE00 5.35
Cobalt
#0047AB
ΔE00 5.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#343DA2 #A29934
analogous
#3474A2 #343DA2 #6234A2
triadic
#343DA2 #A2343D #3DA234
tetradic
#343DA2 #A23474 #A29934 #34A262
square
#343DA2 #A23474 #A29934 #34A262
split-complementary
#343DA2 #A26234 #74A234
monochromatic
#161A45 #252C74 #343DA2 #4D57C6 #7C83D5
Accessibility & contrast
On white
8.99
#343DA2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#343DA2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #343DA2
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##343DA2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##343DA2 | 1.00 | 8.99 | 2.34 | 8.99 |
| #FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EA5
Deuteranopia (green-blind)
#0044A0
Tritanopia (blue-blind)
#005669
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #343da2; /* rgb */ color: rgb(52, 61, 162); /* oklch */ color: oklch(41.8% 0.161 273.3);
Tailwind
colors: {
custom: {
50: '#7972be',
500: '#343da2',
950: '#000000',
},
}SCSS
$custom: #343da2; $custom-light: #7972be; $custom-dark: #000000;
JSON
{
"hex": "#343da2",
"rgb": {
"r": 52,
"g": 61,
"b": 162
},
"hsl": {
"h": 235.091,
"s": 51.402,
"l": 41.961
},
"oklch": {
"l": 0.41767,
"c": 0.1612,
"h": 273.3
},
"luminance": 0.06676
}Semantic roles & 50–950 ramp
primary
#343DA2
secondary
#BEB874
accent
#CF4DDB
background
#F7F6FB
surface
#EEECF7
border
#C9C7D0
text
#0A0812
muted
#7C7B81