#424FBF#424FBF
#424FBF is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.4% C 0.174 H 273.0°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).
Color values
| HEX | #424FBF |
|---|---|
| RGB | rgb(66, 79, 191) |
| HSL | hsl(234, 49%, 50%) |
| HSV | hsv(234, 65%, 75%) |
| CMYK | cmyk(65.4%, 58.6%, 0%, 25.1%) |
| CIE-LAB | lab(38.74, 30.86, -60.48) |
| CIE-LCH | lch(38.74, 67.89, 297.03°) |
| OKLab | oklab(48.41% 0.0091 -0.1741) |
| OKLCH | oklch(48.41% 0.174 273) |
| XYZ | xyz(14.4436, 10.5105, 50.5477) |
| Luminance | 0.1051 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 4.40
Warm Blue
#4B57DB
ΔE00 4.69
Ocean Blue
#4F42B5
ΔE00 4.95
Blue (survey)
#0343DF
ΔE00 5.44
Iris
#6258C4
ΔE00 5.49
Sapphire
#0F52BA
ΔE00 5.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#424FBF #BFB242
analogous
#428DBF #424FBF #7342BF
triadic
#424FBF #BF424F #4FBF42
tetradic
#424FBF #BF428D #BFB242 #42BF73
square
#424FBF #BF428D #BFB242 #42BF73
split-complementary
#424FBF #BF7342 #8DBF42
monochromatic
#222965 #323C92 #424FBF #707ACE #9DA4DE
Accessibility & contrast
On white
6.77
#424FBF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.10
#424FBF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #424FBF
6.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##424FBF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##424FBF | 1.00 | 6.77 | 3.10 | 6.77 |
| #FFFFFF | 6.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0061C3
Deuteranopia (green-blind)
#0056BD
Tritanopia (blue-blind)
#006A7F
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #424fbf; /* rgb */ color: rgb(66, 79, 191); /* oklch */ color: oklch(48.4% 0.174 273.0);
Tailwind
colors: {
custom: {
50: '#8480d3',
500: '#424fbf',
950: '#000000',
},
}SCSS
$custom: #424fbf; $custom-light: #8480d3; $custom-dark: #000000;
JSON
{
"hex": "#424fbf",
"rgb": {
"r": 66,
"g": 79,
"b": 191
},
"hsl": {
"h": 233.76,
"s": 49.407,
"l": 50.392
},
"oklch": {
"l": 0.48407,
"c": 0.17434,
"h": 273
},
"luminance": 0.10512
}Semantic roles & 50–950 ramp
primary
#424FBF
secondary
#CAC493
accent
#CB4FD9
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0A14
muted
#7D7C83