#404CBF#404CBF
#404CBF is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.7% C 0.179 H 273.0°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #404CBF |
|---|---|
| RGB | rgb(64, 76, 191) |
| HSL | hsl(234, 50%, 50%) |
| HSV | hsv(234, 66%, 75%) |
| CMYK | cmyk(66.5%, 60.2%, 0%, 25.1%) |
| CIE-LAB | lab(37.88, 32.46, -61.89) |
| CIE-LCH | lch(37.88, 69.89, 297.67°) |
| OKLab | oklab(47.73% 0.0095 -0.1783) |
| OKLCH | oklch(47.73% 0.179 273) |
| XYZ | xyz(14.0996, 10.0192, 50.4710) |
| Luminance | 0.1002 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.61
Ocean Blue
#4F42B5
ΔE00 4.30
Blue (survey)
#0343DF
ΔE00 4.92
Warm Blue
#4B57DB
ΔE00 5.22
Blue With A Hint Of Purple
#533CC6
ΔE00 5.78
Sapphire
#0F52BA
ΔE00 5.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#404CBF #BFB340
analogous
#408BBF #404CBF #7440BF
triadic
#404CBF #BF404C #4CBF40
tetradic
#404CBF #BF408B #BFB340 #40BF74
square
#404CBF #BF408B #BFB340 #40BF74
split-complementary
#404CBF #BF7440 #8BBF40
monochromatic
#212863 #313A91 #404CBF #6E77CE #9CA2DE
Accessibility & contrast
On white
6.99
#404CBF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.00
#404CBF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #404CBF
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##404CBF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##404CBF | 1.00 | 6.99 | 3.00 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005FC3
Deuteranopia (green-blind)
#0054BD
Tritanopia (blue-blind)
#00697E
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #404cbf; /* rgb */ color: rgb(64, 76, 191); /* oklch */ color: oklch(47.7% 0.179 273.0);
Tailwind
colors: {
custom: {
50: '#847ed3',
500: '#404cbf',
950: '#000000',
},
}SCSS
$custom: #404cbf; $custom-light: #847ed3; $custom-dark: #000000;
JSON
{
"hex": "#404cbf",
"rgb": {
"r": 64,
"g": 76,
"b": 191
},
"hsl": {
"h": 234.331,
"s": 49.804,
"l": 50
},
"oklch": {
"l": 0.47733,
"c": 0.17859,
"h": 273
},
"luminance": 0.1002
}Semantic roles & 50–950 ramp
primary
#404CBF
secondary
#CAC491
accent
#CC4ED9
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0A14
muted
#7D7C83