#497DCF#497DCF
#497DCF is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.3% C 0.138 H 259.2°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).
Color values
| HEX | #497DCF |
|---|---|
| RGB | rgb(73, 125, 207) |
| HSL | hsl(217, 58%, 55%) |
| HSV | hsv(217, 65%, 81%) |
| CMYK | cmyk(64.7%, 39.6%, 0%, 18.8%) |
| CIE-LAB | lab(52.49, 8.66, -47.56) |
| CIE-LCH | lch(52.49, 48.34, 280.32°) |
| OKLab | oklab(59.3% -0.0259 -0.1354) |
| OKLCH | oklch(59.3% 0.138 259.2) |
| XYZ | xyz(21.3397, 20.5866, 61.8684) |
| Luminance | 0.2059 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.82
Clear Blue
#247AFD
ΔE00 4.46
Deep Sky Blue
#0D75F8
ΔE00 4.59
Cool Blue
#4984B8
ΔE00 4.64
Azure
#007FFF
ΔE00 4.77
Off Blue
#5684AE
ΔE00 4.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497DCF #CF9B49
analogous
#49C0CF #497DCF #5849CF
triadic
#497DCF #CF497D #7DCF49
tetradic
#497DCF #CF49C0 #CF9B49 #49CF58
square
#497DCF #CF49C0 #CF9B49 #49CF58
split-complementary
#497DCF #CF5849 #C0CF49
monochromatic
#21457D #2E5FAD #497DCF #79A0DC #AAC2E9
Accessibility & contrast
On white
4.10
#497DCF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.12
#497DCF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497DCF
5.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497DCF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497DCF | 1.00 | 4.10 | 5.12 | 5.12 |
| #FFFFFF | 4.10 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.12 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.12 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5884D2
Deuteranopia (green-blind)
#4578CD
Tritanopia (blue-blind)
#00909C
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #497dcf; /* rgb */ color: rgb(73, 125, 207); /* oklch */ color: oklch(59.3% 0.138 259.2);
Tailwind
colors: {
custom: {
50: '#89a2de',
500: '#497dcf',
950: '#000000',
},
}SCSS
$custom: #497dcf; $custom-light: #89a2de; $custom-dark: #000000;
JSON
{
"hex": "#497dcf",
"rgb": {
"r": 73,
"g": 125,
"b": 207
},
"hsl": {
"h": 216.716,
"s": 58.261,
"l": 54.902
},
"oklch": {
"l": 0.59297,
"c": 0.13783,
"h": 259.2
},
"luminance": 0.20589
}Semantic roles & 50–950 ramp
primary
#497DCF
secondary
#D6C09E
accent
#A546E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0F15
muted
#7D7E83