#4050B1#4050B1
#4050B1 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.4% C 0.154 H 272.1°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).
Color values
| HEX | #4050B1 |
|---|---|
| RGB | rgb(64, 80, 177) |
| HSL | hsl(232, 47%, 47%) |
| HSV | hsv(232, 64%, 69%) |
| CMYK | cmyk(63.8%, 54.8%, 0%, 30.6%) |
| CIE-LAB | lab(37.84, 24.98, -53.71) |
| CIE-LCH | lch(37.84, 59.24, 294.94°) |
| OKLab | oklab(47.38% 0.0057 -0.1542) |
| OKLCH | oklch(47.38% 0.154 272.1) |
| XYZ | xyz(12.9162, 10.0005, 42.8361) |
| Luminance | 0.1000 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 4.88
Blue Blue
#2242C7
ΔE00 5.36
Cobalt
#0047AB
ΔE00 5.56
Ocean Blue
#4F42B5
ΔE00 5.71
Warm Blue
#4B57DB
ΔE00 6.41
Blueberry
#464196
ΔE00 6.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4050B1 #B1A140
analogous
#4089B1 #4050B1 #6840B1
triadic
#4050B1 #B14050 #50B140
tetradic
#4050B1 #B14089 #B1A140 #40B168
square
#4050B1 #B14089 #B1A140 #40B168
split-complementary
#4050B1 #B16840 #89B140
monochromatic
#1F2757 #303C84 #4050B1 #6674C8 #939DD8
Accessibility & contrast
On white
7.00
#4050B1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
3.00
#4050B1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4050B1
7.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4050B1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4050B1 | 1.00 | 7.00 | 3.00 | 7.00 |
| #FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#075EB4
Deuteranopia (green-blind)
#0054AF
Tritanopia (blue-blind)
#006778
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #4050b1; /* rgb */ color: rgb(64, 80, 177); /* oklch */ color: oklch(47.4% 0.154 272.1);
Tailwind
colors: {
custom: {
50: '#8180c9',
500: '#4050b1',
950: '#000000',
},
}SCSS
$custom: #4050b1; $custom-light: #8180c9; $custom-dark: #000000;
JSON
{
"hex": "#4050b1",
"rgb": {
"r": 64,
"g": 80,
"b": 177
},
"hsl": {
"h": 231.504,
"s": 46.888,
"l": 47.255
},
"oklch": {
"l": 0.47376,
"c": 0.15435,
"h": 272.1
},
"luminance": 0.10002
}Semantic roles & 50–950 ramp
primary
#4050B1
secondary
#C3BB89
accent
#C451D7
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0B0A13
muted
#7C7C82