#424DB4#424DB4
#424DB4 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.2% C 0.162 H 273.8°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).
Color values
| HEX | #424DB4 |
|---|---|
| RGB | rgb(66, 77, 180) |
| HSL | hsl(234, 46%, 48%) |
| HSV | hsv(234, 63%, 71%) |
| CMYK | cmyk(63.3%, 57.2%, 0%, 29.4%) |
| CIE-LAB | lab(37.41, 28.30, -56.19) |
| CIE-LCH | lch(37.41, 62.91, 296.74°) |
| OKLab | oklab(47.15% 0.0108 -0.1615) |
| OKLCH | oklch(47.15% 0.162 273.8) |
| XYZ | xyz(13.1361, 9.7602, 44.3628) |
| Luminance | 0.0976 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 4.45
Blue Blue
#2242C7
ΔE00 4.55
Sapphire
#0F52BA
ΔE00 5.71
Blueberry
#464196
ΔE00 5.87
Cobalt
#0047AB
ΔE00 5.92
Iris
#6258C4
ΔE00 6.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#424DB4 #B4A942
analogous
#4286B4 #424DB4 #7042B4
triadic
#424DB4 #B4424D #4DB442
tetradic
#424DB4 #B44286 #B4A942 #42B470
square
#424DB4 #B44286 #B4A942 #42B470
split-complementary
#424DB4 #B47042 #86B442
monochromatic
#21275A #323A87 #424DB4 #6B74C9 #979ED9
Accessibility & contrast
On white
7.11
#424DB4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.95
#424DB4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #424DB4
7.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##424DB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##424DB4 | 1.00 | 7.11 | 2.95 | 7.11 |
| #FFFFFF | 7.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005DB7
Deuteranopia (green-blind)
#0053B2
Tritanopia (blue-blind)
#006679
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #424db4; /* rgb */ color: rgb(66, 77, 180); /* oklch */ color: oklch(47.2% 0.162 273.8);
Tailwind
colors: {
custom: {
50: '#827ecb',
500: '#424db4',
950: '#000000',
},
}SCSS
$custom: #424db4; $custom-light: #827ecb; $custom-dark: #000000;
JSON
{
"hex": "#424db4",
"rgb": {
"r": 66,
"g": 77,
"b": 180
},
"hsl": {
"h": 234.211,
"s": 46.341,
"l": 48.235
},
"oklch": {
"l": 0.47153,
"c": 0.16186,
"h": 273.8
},
"luminance": 0.09761
}Semantic roles & 50–950 ramp
primary
#424DB4
secondary
#C5BF8D
accent
#C952D6
background
#F8F7FC
surface
#F0EEF9
border
#CBC9D2
text
#0C0A13
muted
#7D7C82