#497DD0#497DD0
#497DD0 is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.4% C 0.139 H 259.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).
Color values
| HEX | #497DD0 |
|---|---|
| RGB | rgb(73, 125, 208) |
| HSL | hsl(217, 59%, 55%) |
| HSV | hsv(217, 65%, 82%) |
| CMYK | cmyk(64.9%, 39.9%, 0%, 18.4%) |
| CIE-LAB | lab(52.55, 9.01, -48.04) |
| CIE-LCH | lch(52.55, 48.88, 280.62°) |
| OKLab | oklab(59.36% -0.0257 -0.1368) |
| OKLCH | oklch(59.36% 0.139 259.4) |
| XYZ | xyz(21.4624, 20.6357, 62.5143) |
| Luminance | 0.2064 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.91
Clear Blue
#247AFD
ΔE00 4.37
Deep Sky Blue
#0D75F8
ΔE00 4.53
Azure
#007FFF
ΔE00 4.71
Cool Blue
#4984B8
ΔE00 4.71
Dodger Blue
#3E82FC
ΔE00 4.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497DD0 #D09C49
analogous
#49C0D0 #497DD0 #5949D0
triadic
#497DD0 #D0497D #7DD049
tetradic
#497DD0 #D049C0 #D09C49 #49D059
square
#497DD0 #D049C0 #D09C49 #49D059
split-complementary
#497DD0 #D05949 #C0D049
monochromatic
#21457E #2D5FAF #497DD0 #7AA0DD #AAC2E9
Accessibility & contrast
On white
4.10
#497DD0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.13
#497DD0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497DD0
5.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497DD0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497DD0 | 1.00 | 4.10 | 5.13 | 5.13 |
| #FFFFFF | 4.10 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.13 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.13 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5884D3
Deuteranopia (green-blind)
#4478CE
Tritanopia (blue-blind)
#00909C
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #497dd0; /* rgb */ color: rgb(73, 125, 208); /* oklch */ color: oklch(59.4% 0.139 259.4);
Tailwind
colors: {
custom: {
50: '#89a2df',
500: '#497dd0',
950: '#000000',
},
}SCSS
$custom: #497dd0; $custom-light: #89a2df; $custom-dark: #000000;
JSON
{
"hex": "#497dd0",
"rgb": {
"r": 73,
"g": 125,
"b": 208
},
"hsl": {
"h": 216.889,
"s": 58.952,
"l": 55.098
},
"oklch": {
"l": 0.59356,
"c": 0.13917,
"h": 259.4
},
"luminance": 0.20638
}Semantic roles & 50–950 ramp
primary
#497DD0
secondary
#D7C19E
accent
#A646E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0F15
muted
#7D7E83