#4973CF#4973CF
#4973CF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.149 H 263.8°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).
Color values
| HEX | #4973CF |
|---|---|
| RGB | rgb(73, 115, 207) |
| HSL | hsl(221, 58%, 55%) |
| HSV | hsv(221, 65%, 81%) |
| CMYK | cmyk(64.7%, 44.4%, 0%, 18.8%) |
| CIE-LAB | lab(49.71, 14.82, -51.99) |
| CIE-LCH | lch(49.71, 54.06, 285.91°) |
| OKLab | oklab(57.15% -0.016 -0.1485) |
| OKLCH | oklch(57.15% 0.149 263.8) |
| XYZ | xyz(20.1369, 18.1810, 61.4675) |
| Luminance | 0.1818 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.42
Royal Blue
#4169E1
ΔE00 4.06
Cerulean Blue
#056EEE
ΔE00 4.24
Deep Sky Blue
#0D75F8
ΔE00 4.86
Windows Blue
#3778BF
ΔE00 4.95
French Blue
#436BAD
ΔE00 5.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4973CF #CFA549
analogous
#49B6CF #4973CF #6249CF
triadic
#4973CF #CF4973 #73CF49
tetradic
#4973CF #CF49B6 #CFA549 #49CF62
square
#4973CF #CF49B6 #CFA549 #49CF62
split-complementary
#4973CF #CF6249 #B6CF49
monochromatic
#213E7D #2E56AD #4973CF #7998DC #AABEE9
Accessibility & contrast
On white
4.53
#4973CF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.64
#4973CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4973CF
4.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4973CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4973CF | 1.00 | 4.53 | 4.64 | 4.64 |
| #FFFFFF | 4.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#477DD2
Deuteranopia (green-blind)
#3070CD
Tritanopia (blue-blind)
#008897
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #4973cf; /* rgb */ color: rgb(73, 115, 207); /* oklch */ color: oklch(57.2% 0.149 263.8);
Tailwind
colors: {
custom: {
50: '#899ade',
500: '#4973cf',
950: '#000000',
},
}SCSS
$custom: #4973cf; $custom-light: #899ade; $custom-dark: #000000;
JSON
{
"hex": "#4973cf",
"rgb": {
"r": 73,
"g": 115,
"b": 207
},
"hsl": {
"h": 221.194,
"s": 58.261,
"l": 54.902
},
"oklch": {
"l": 0.57151,
"c": 0.14938,
"h": 263.8
},
"luminance": 0.18183
}Semantic roles & 50–950 ramp
primary
#4973CF
secondary
#D6C49E
accent
#B146E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0E15
muted
#7D7E83