#343AB7#343AB7
#343AB7 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.2% C 0.193 H 272.9°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).
Color values
| HEX | #343AB7 |
|---|---|
| RGB | rgb(52, 58, 183) |
| HSL | hsl(237, 56%, 46%) |
| HSV | hsv(237, 72%, 72%) |
| CMYK | cmyk(71.6%, 68.3%, 0%, 28.2%) |
| CIE-LAB | lab(32.20, 39.35, -66.50) |
| CIE-LCH | lch(32.20, 77.27, 300.62°) |
| OKLab | oklab(43.17% 0.0097 -0.1922) |
| OKLCH | oklch(43.17% 0.193 272.9) |
| XYZ | xyz(11.4736, 7.1739, 45.5706) |
| Luminance | 0.0717 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.69
Blue Blue
#2242C7
ΔE00 3.40
Ocean Blue
#4F42B5
ΔE00 3.87
Blue With A Hint Of Purple
#533CC6
ΔE00 4.63
Blurple
#5539CC
ΔE00 5.32
Blue (survey)
#0343DF
ΔE00 5.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#343AB7 #B7B134
analogous
#347BB7 #343AB7 #6F34B7
triadic
#343AB7 #B7343A #3AB734
tetradic
#343AB7 #B7347B #B7B134 #34B76F
square
#343AB7 #B7347B #B7B134 #34B76F
split-complementary
#343AB7 #B76F34 #7BB734
monochromatic
#191C58 #262B87 #343AB7 #595ED0 #888CDD
Accessibility & contrast
On white
8.62
#343AB7 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#343AB7 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #343AB7
8.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##343AB7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##343AB7 | 1.00 | 8.62 | 2.43 | 8.62 |
| #FFFFFF | 8.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052BB
Deuteranopia (green-blind)
#0046B5
Tritanopia (blue-blind)
#005C74
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #343ab7; /* rgb */ color: rgb(52, 58, 183); /* oklch */ color: oklch(43.2% 0.193 272.9);
Tailwind
colors: {
custom: {
50: '#7e71ce',
500: '#343ab7',
950: '#000000',
},
}SCSS
$custom: #343ab7; $custom-light: #7e71ce; $custom-dark: #000000;
JSON
{
"hex": "#343ab7",
"rgb": {
"r": 52,
"g": 58,
"b": 183
},
"hsl": {
"h": 237.252,
"s": 55.745,
"l": 46.078
},
"oklch": {
"l": 0.43174,
"c": 0.1925,
"h": 272.9
},
"luminance": 0.07175
}Semantic roles & 50–950 ramp
primary
#343AB7
secondary
#C7C480
accent
#D849DF
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0B0714
muted
#7C7A82