#497CCE#497CCE
#497CCE is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.0% C 0.138 H 259.5°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).
Color values
| HEX | #497CCE |
|---|---|
| RGB | rgb(73, 124, 206) |
| HSL | hsl(217, 58%, 55%) |
| HSV | hsv(217, 65%, 81%) |
| CMYK | cmyk(64.6%, 39.8%, 0%, 19.2%) |
| CIE-LAB | lab(52.16, 8.92, -47.52) |
| CIE-LCH | lch(52.16, 48.36, 280.63°) |
| OKLab | oklab(59.02% -0.0251 -0.1353) |
| OKLCH | oklch(59.02% 0.138 259.5) |
| XYZ | xyz(21.0919, 20.2860, 61.1846) |
| Luminance | 0.2029 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.69
Deep Sky Blue
#0D75F8
ΔE00 4.55
Clear Blue
#247AFD
ΔE00 4.56
Cool Blue
#4984B8
ΔE00 4.84
Off Blue
#5684AE
ΔE00 4.94
Azure
#007FFF
ΔE00 5.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497CCE #CE9B49
analogous
#49BFCE #497CCE #5849CE
triadic
#497CCE #CE497C #7CCE49
tetradic
#497CCE #CE49BF #CE9B49 #49CE58
square
#497CCE #CE49BF #CE9B49 #49CE58
split-complementary
#497CCE #CE5849 #BFCE49
monochromatic
#21447B #2E5EAC #497CCE #799FDB #A9C1E8
Accessibility & contrast
On white
4.15
#497CCE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.06
#497CCE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497CCE
5.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497CCE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497CCE | 1.00 | 4.15 | 5.06 | 5.06 |
| #FFFFFF | 4.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.06 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.06 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5783D1
Deuteranopia (green-blind)
#4477CC
Tritanopia (blue-blind)
#008F9B
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #497cce; /* rgb */ color: rgb(73, 124, 206); /* oklch */ color: oklch(59.0% 0.138 259.5);
Tailwind
colors: {
custom: {
50: '#88a1dd',
500: '#497cce',
950: '#000000',
},
}SCSS
$custom: #497cce; $custom-light: #88a1dd; $custom-dark: #000000;
JSON
{
"hex": "#497cce",
"rgb": {
"r": 73,
"g": 124,
"b": 206
},
"hsl": {
"h": 216.992,
"s": 57.576,
"l": 54.706
},
"oklch": {
"l": 0.59019,
"c": 0.13759,
"h": 259.5
},
"luminance": 0.20288
}Semantic roles & 50–950 ramp
primary
#497CCE
secondary
#D5C09D
accent
#A647E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0E15
muted
#7D7E83