#4B77BF#4B77BF
#4B77BF is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.1% C 0.122 H 259.8°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).
Color values
| HEX | #4B77BF |
|---|---|
| RGB | rgb(75, 119, 191) |
| HSL | hsl(217, 48%, 52%) |
| HSV | hsv(217, 61%, 75%) |
| CMYK | cmyk(60.7%, 37.7%, 0%, 25.1%) |
| CIE-LAB | lab(50.04, 7.19, -42.32) |
| CIE-LCH | lch(50.04, 42.93, 279.65°) |
| OKLab | oklab(57.14% -0.0216 -0.1201) |
| OKLCH | oklch(57.14% 0.122 259.8) |
| XYZ | xyz(18.8991, 18.4494, 51.8453) |
| Luminance | 0.1845 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.25
Medium Blue
#2C6FBB
ΔE00 4.48
Flat Blue
#3C73A8
ΔE00 4.56
Cornflower Blue
#5170D7
ΔE00 4.60
French Blue
#436BAD
ΔE00 4.83
Bluish
#2976BB
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B77BF #BF934B
analogous
#4BB1BF #4B77BF #594BBF
triadic
#4B77BF #BF4B77 #77BF4B
tetradic
#4B77BF #BF4BB1 #BF934B #4BBF59
square
#4B77BF #BF4BB1 #BF934B #4BBF59
split-complementary
#4B77BF #BF594B #B1BF4B
monochromatic
#26406A #365B97 #4B77BF #7899CF #A5BBDF
Accessibility & contrast
On white
4.48
#4B77BF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.69
#4B77BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B77BF
4.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B77BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B77BF | 1.00 | 4.48 | 4.69 | 4.69 |
| #FFFFFF | 4.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#587DC2
Deuteranopia (green-blind)
#4972BD
Tritanopia (blue-blind)
#008792
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #4b77bf; /* rgb */ color: rgb(75, 119, 191); /* oklch */ color: oklch(57.1% 0.122 259.8);
Tailwind
colors: {
custom: {
50: '#879dd2',
500: '#4b77bf',
950: '#000000',
},
}SCSS
$custom: #4b77bf; $custom-light: #879dd2; $custom-dark: #000000;
JSON
{
"hex": "#4b77bf",
"rgb": {
"r": 75,
"g": 119,
"b": 191
},
"hsl": {
"h": 217.241,
"s": 47.541,
"l": 52.157
},
"oklch": {
"l": 0.57136,
"c": 0.122,
"h": 259.8
},
"luminance": 0.18451
}Semantic roles & 50–950 ramp
primary
#4B77BF
secondary
#CCB99A
accent
#A451D7
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82