#497BCD#497BCD
#497BCD is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.7% C 0.137 H 259.8°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).
Color values
| HEX | #497BCD |
|---|---|
| RGB | rgb(73, 123, 205) |
| HSL | hsl(217, 57%, 55%) |
| HSV | hsv(217, 64%, 80%) |
| CMYK | cmyk(64.4%, 40%, 0%, 19.6%) |
| CIE-LAB | lab(51.82, 9.19, -47.49) |
| CIE-LCH | lch(51.82, 48.37, 280.95°) |
| OKLab | oklab(58.74% -0.0243 -0.1352) |
| OKLCH | oklch(58.74% 0.137 259.8) |
| XYZ | xyz(20.8461, 19.9882, 60.5053) |
| Luminance | 0.1999 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.60
Deep Sky Blue
#0D75F8
ΔE00 4.54
Clear Blue
#247AFD
ΔE00 4.69
Cool Blue
#4984B8
ΔE00 5.05
Cornflower Blue
#5170D7
ΔE00 5.06
Off Blue
#5684AE
ΔE00 5.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497BCD #CD9B49
analogous
#49BDCD #497BCD #5949CD
triadic
#497BCD #CD497B #7BCD49
tetradic
#497BCD #CD49BD #CD9B49 #49CD59
square
#497BCD #CD49BD #CD9B49 #49CD59
split-complementary
#497BCD #CD5949 #BDCD49
monochromatic
#22437A #2F5DAA #497BCD #799EDA #A9C1E7
Accessibility & contrast
On white
4.20
#497BCD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.00
#497BCD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497BCD
5.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497BCD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497BCD | 1.00 | 4.20 | 5.00 | 5.00 |
| #FFFFFF | 4.20 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5682D0
Deuteranopia (green-blind)
#4376CB
Tritanopia (blue-blind)
#008E9A
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #497bcd; /* rgb */ color: rgb(73, 123, 205); /* oklch */ color: oklch(58.7% 0.137 259.8);
Tailwind
colors: {
custom: {
50: '#88a0dd',
500: '#497bcd',
950: '#000000',
},
}SCSS
$custom: #497bcd; $custom-light: #88a0dd; $custom-dark: #000000;
JSON
{
"hex": "#497bcd",
"rgb": {
"r": 73,
"g": 123,
"b": 205
},
"hsl": {
"h": 217.273,
"s": 56.897,
"l": 54.51
},
"oklch": {
"l": 0.58742,
"c": 0.13736,
"h": 259.8
},
"luminance": 0.1999
}Semantic roles & 50–950 ramp
primary
#497BCD
secondary
#D5C09D
accent
#A648E0
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83