#404FB4#404FB4
#404FB4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.4% C 0.160 H 272.4°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).
Color values
| HEX | #404FB4 |
|---|---|
| RGB | rgb(64, 79, 180) |
| HSL | hsl(232, 48%, 48%) |
| HSV | hsv(232, 64%, 71%) |
| CMYK | cmyk(64.4%, 56.1%, 0%, 29.4%) |
| CIE-LAB | lab(37.80, 26.68, -55.56) |
| CIE-LCH | lch(37.80, 61.63, 295.65°) |
| OKLab | oklab(47.41% 0.0068 -0.1597) |
| OKLCH | oklch(47.41% 0.16 272.4) |
| XYZ | xyz(13.1458, 9.9761, 44.4040) |
| Luminance | 0.0998 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 4.88
Sapphire
#0F52BA
ΔE00 5.04
Ocean Blue
#4F42B5
ΔE00 5.27
Cobalt
#0047AB
ΔE00 5.64
Warm Blue
#4B57DB
ΔE00 6.10
Iris
#6258C4
ΔE00 6.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#404FB4 #B4A540
analogous
#4089B4 #404FB4 #6B40B4
triadic
#404FB4 #B4404F #4FB440
tetradic
#404FB4 #B44089 #B4A540 #40B46B
square
#404FB4 #B44089 #B4A540 #40B46B
split-complementary
#404FB4 #B46B40 #89B440
monochromatic
#20275A #303B87 #404FB4 #6875C9 #959ED9
Accessibility & contrast
On white
7.01
#404FB4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
3.00
#404FB4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #404FB4
7.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##404FB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##404FB4 | 1.00 | 7.01 | 3.00 | 7.01 |
| #FFFFFF | 7.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005EB7
Deuteranopia (green-blind)
#0054B2
Tritanopia (blue-blind)
#00677A
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #404fb4; /* rgb */ color: rgb(64, 79, 180); /* oklch */ color: oklch(47.4% 0.160 272.4);
Tailwind
colors: {
custom: {
50: '#8180cb',
500: '#404fb4',
950: '#000000',
},
}SCSS
$custom: #404fb4; $custom-light: #8180cb; $custom-dark: #000000;
JSON
{
"hex": "#404fb4",
"rgb": {
"r": 64,
"g": 79,
"b": 180
},
"hsl": {
"h": 232.241,
"s": 47.541,
"l": 47.843
},
"oklch": {
"l": 0.47412,
"c": 0.15982,
"h": 272.4
},
"luminance": 0.09977
}Semantic roles & 50–950 ramp
primary
#404FB4
secondary
#C5BD8B
accent
#C651D7
background
#F8F7FC
surface
#F0EEF9
border
#CBC9D2
text
#0B0A13
muted
#7C7C82