#4B7ACC#4B7ACC
#4B7ACC is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.6% C 0.136 H 260.8°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).
Color values
| HEX | #4B7ACC |
|---|---|
| RGB | rgb(75, 122, 204) |
| HSL | hsl(218, 56%, 55%) |
| HSV | hsv(218, 63%, 80%) |
| CMYK | cmyk(63.2%, 40.2%, 0%, 20%) |
| CIE-LAB | lab(51.58, 9.81, -47.30) |
| CIE-LCH | lch(51.58, 48.31, 281.71°) |
| OKLab | oklab(58.56% -0.0219 -0.1346) |
| OKLCH | oklch(58.56% 0.136 260.8) |
| XYZ | xyz(20.7564, 19.7726, 59.8377) |
| Luminance | 0.1978 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.83
Cornflower Blue
#5170D7
ΔE00 4.57
Deep Sky Blue
#0D75F8
ΔE00 4.67
Clear Blue
#247AFD
ΔE00 4.91
Lightish Blue
#3D7AFD
ΔE00 5.22
Cerulean Blue
#056EEE
ΔE00 5.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B7ACC #CC9D4B
analogous
#4BBACC #4B7ACC #5D4BCC
triadic
#4B7ACC #CC4B7A #7ACC4B
tetradic
#4B7ACC #CC4BBA #CC9D4B #4BCC5D
square
#4B7ACC #CC4BBA #CC9D4B #4BCC5D
split-complementary
#4B7ACC #CC5D4B #BACC4B
monochromatic
#23427A #305CAA #4B7ACC #7B9DDA #AAC0E7
Accessibility & contrast
On white
4.24
#4B7ACC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.96
#4B7ACC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B7ACC
4.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B7ACC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B7ACC | 1.00 | 4.24 | 4.96 | 4.96 |
| #FFFFFF | 4.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5581CF
Deuteranopia (green-blind)
#4375CA
Tritanopia (blue-blind)
#008D99
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #4b7acc; /* rgb */ color: rgb(75, 122, 204); /* oklch */ color: oklch(58.6% 0.136 260.8);
Tailwind
colors: {
custom: {
50: '#89a0dc',
500: '#4b7acc',
950: '#000000',
},
}SCSS
$custom: #4b7acc; $custom-light: #89a0dc; $custom-dark: #000000;
JSON
{
"hex": "#4b7acc",
"rgb": {
"r": 75,
"g": 122,
"b": 204
},
"hsl": {
"h": 218.14,
"s": 55.844,
"l": 54.706
},
"oklch": {
"l": 0.58559,
"c": 0.13639,
"h": 260.8
},
"luminance": 0.19775
}Semantic roles & 50–950 ramp
primary
#4B7ACC
secondary
#D5C19E
accent
#A849DF
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0E15
muted
#7D7E83