#497CCD#497CCD
#497CCD is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.0% C 0.136 H 259.3°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).
Color values
| HEX | #497CCD |
|---|---|
| RGB | rgb(73, 124, 205) |
| HSL | hsl(217, 57%, 55%) |
| HSV | hsv(217, 64%, 80%) |
| CMYK | cmyk(64.4%, 39.5%, 0%, 19.6%) |
| CIE-LAB | lab(52.10, 8.58, -47.04) |
| CIE-LCH | lch(52.10, 47.82, 280.33°) |
| OKLab | oklab(58.96% -0.0253 -0.1339) |
| OKLCH | oklch(58.96% 0.136 259.3) |
| XYZ | xyz(20.9708, 20.2375, 60.5468) |
| Luminance | 0.2024 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.60
Deep Sky Blue
#0D75F8
ΔE00 4.61
Clear Blue
#247AFD
ΔE00 4.64
Cool Blue
#4984B8
ΔE00 4.77
Off Blue
#5684AE
ΔE00 4.89
Steel Blue
#4682B4
ΔE00 5.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497CCD #CD9A49
analogous
#49BECD #497CCD #5849CD
triadic
#497CCD #CD497C #7CCD49
tetradic
#497CCD #CD49BE #CD9A49 #49CD58
square
#497CCD #CD49BE #CD9A49 #49CD58
split-complementary
#497CCD #CD5849 #BECD49
monochromatic
#22447A #2F5EAA #497CCD #799FDA #A9C1E7
Accessibility & contrast
On white
4.16
#497CCD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.05
#497CCD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497CCD
5.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497CCD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497CCD | 1.00 | 4.16 | 5.05 | 5.05 |
| #FFFFFF | 4.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.05 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.05 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5883D0
Deuteranopia (green-blind)
#4577CB
Tritanopia (blue-blind)
#008E9A
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #497ccd; /* rgb */ color: rgb(73, 124, 205); /* oklch */ color: oklch(59.0% 0.136 259.3);
Tailwind
colors: {
custom: {
50: '#88a1dd',
500: '#497ccd',
950: '#000000',
},
}SCSS
$custom: #497ccd; $custom-light: #88a1dd; $custom-dark: #000000;
JSON
{
"hex": "#497ccd",
"rgb": {
"r": 73,
"g": 124,
"b": 205
},
"hsl": {
"h": 216.818,
"s": 56.897,
"l": 54.51
},
"oklch": {
"l": 0.58959,
"c": 0.13625,
"h": 259.3
},
"luminance": 0.2024
}Semantic roles & 50–950 ramp
primary
#497CCD
secondary
#D5BF9D
accent
#A548E0
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83