#4773BB#4773BB
#4773BB is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.8% C 0.123 H 259.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).
Color values
| HEX | #4773BB |
|---|---|
| RGB | rgb(71, 115, 187) |
| HSL | hsl(217, 46%, 51%) |
| HSV | hsv(217, 62%, 73%) |
| CMYK | cmyk(62%, 38.5%, 0%, 26.7%) |
| CIE-LAB | lab(48.50, 7.51, -42.47) |
| CIE-LCH | lch(48.50, 43.13, 280.03°) |
| OKLab | oklab(55.82% -0.0217 -0.1206) |
| OKLCH | oklch(55.82% 0.123 259.8) |
| XYZ | xyz(17.6957, 17.1873, 49.3890) |
| Luminance | 0.1719 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.30
Medium Blue
#2C6FBB
ΔE00 3.45
Windows Blue
#3778BF
ΔE00 3.52
Flat Blue
#3C73A8
ΔE00 3.87
Cornflower Blue
#5170D7
ΔE00 4.64
Dull Blue
#49759C
ΔE00 4.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4773BB #BB8F47
analogous
#47ADBB #4773BB #5547BB
triadic
#4773BB #BB4773 #73BB47
tetradic
#4773BB #BB47AD #BB8F47 #47BB55
square
#4773BB #BB47AD #BB8F47 #47BB55
split-complementary
#4773BB #BB5547 #ADBB47
monochromatic
#253C63 #355790 #4773BB #7495CC #A0B7DC
Accessibility & contrast
On white
4.73
#4773BB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.44
#4773BB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4773BB
4.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4773BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4773BB | 1.00 | 4.73 | 4.44 | 4.73 |
| #FFFFFF | 4.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.44 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5479BE
Deuteranopia (green-blind)
#446EBA
Tritanopia (blue-blind)
#00838E
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #4773bb; /* rgb */ color: rgb(71, 115, 187); /* oklch */ color: oklch(55.8% 0.123 259.8);
Tailwind
colors: {
custom: {
50: '#859ad0',
500: '#4773bb',
950: '#000000',
},
}SCSS
$custom: #4773bb; $custom-light: #859ad0; $custom-dark: #000000;
JSON
{
"hex": "#4773bb",
"rgb": {
"r": 71,
"g": 115,
"b": 187
},
"hsl": {
"h": 217.241,
"s": 46.032,
"l": 50.588
},
"oklch": {
"l": 0.55818,
"c": 0.12257,
"h": 259.8
},
"luminance": 0.17189
}Semantic roles & 50–950 ramp
primary
#4773BB
secondary
#C9B595
accent
#A452D6
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82