#4973CD#4973CD
#4973CD is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.0% C 0.147 H 263.6°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #4973CD |
|---|---|
| RGB | rgb(73, 115, 205) |
| HSL | hsl(221, 57%, 55%) |
| HSV | hsv(221, 64%, 80%) |
| CMYK | cmyk(64.4%, 43.9%, 0%, 19.6%) |
| CIE-LAB | lab(49.60, 14.12, -51.04) |
| CIE-LCH | lch(49.60, 52.96, 285.46°) |
| OKLab | oklab(57.02% -0.0163 -0.1457) |
| OKLCH | oklch(57.02% 0.147 263.6) |
| XYZ | xyz(19.8940, 18.0839, 60.1879) |
| Luminance | 0.1809 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.59
Royal Blue
#4169E1
ΔE00 4.20
Cerulean Blue
#056EEE
ΔE00 4.34
Windows Blue
#3778BF
ΔE00 4.81
French Blue
#436BAD
ΔE00 4.92
Deep Sky Blue
#0D75F8
ΔE00 5.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4973CD #CDA349
analogous
#49B5CD #4973CD #6149CD
triadic
#4973CD #CD4973 #73CD49
tetradic
#4973CD #CD49B5 #CDA349 #49CD61
square
#4973CD #CD49B5 #CDA349 #49CD61
split-complementary
#4973CD #CD6149 #B5CD49
monochromatic
#223E7A #2F56AA #4973CD #7998DA #A9BDE7
Accessibility & contrast
On white
4.55
#4973CD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#4973CD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4973CD
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4973CD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4973CD | 1.00 | 4.55 | 4.62 | 4.62 |
| #FFFFFF | 4.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#487CD0
Deuteranopia (green-blind)
#3370CB
Tritanopia (blue-blind)
#008896
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #4973cd; /* rgb */ color: rgb(73, 115, 205); /* oklch */ color: oklch(57.0% 0.147 263.6);
Tailwind
colors: {
custom: {
50: '#889add',
500: '#4973cd',
950: '#000000',
},
}SCSS
$custom: #4973cd; $custom-light: #889add; $custom-dark: #000000;
JSON
{
"hex": "#4973cd",
"rgb": {
"r": 73,
"g": 115,
"b": 205
},
"hsl": {
"h": 220.909,
"s": 56.897,
"l": 54.51
},
"oklch": {
"l": 0.57023,
"c": 0.14663,
"h": 263.6
},
"luminance": 0.18086
}Semantic roles & 50–950 ramp
primary
#4973CD
secondary
#D5C39D
accent
#B048E0
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0E15
muted
#7D7E83