#497FCF#497FCF
#497FCF is a mid, vivid blue. Relative luminance 0.211; OKLCH L 59.7% C 0.136 H 258.1°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).
Color values
| HEX | #497FCF |
|---|---|
| RGB | rgb(73, 127, 207) |
| HSL | hsl(216, 58%, 55%) |
| HSV | hsv(216, 65%, 81%) |
| CMYK | cmyk(64.7%, 38.6%, 0%, 18.8%) |
| CIE-LAB | lab(53.06, 7.44, -46.67) |
| CIE-LCH | lch(53.06, 47.26, 279.06°) |
| OKLab | oklab(59.73% -0.0279 -0.1327) |
| OKLCH | oklch(59.73% 0.136 258.1) |
| XYZ | xyz(21.5955, 21.0981, 61.9536) |
| Luminance | 0.2110 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 4.00
Cool Blue
#4984B8
ΔE00 4.15
Off Blue
#5684AE
ΔE00 4.49
Azure
#007FFF
ΔE00 4.49
Clear Blue
#247AFD
ΔE00 4.53
Steel Blue
#4682B4
ΔE00 4.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497FCF #CF9949
analogous
#49C2CF #497FCF #5649CF
triadic
#497FCF #CF497F #7FCF49
tetradic
#497FCF #CF49C2 #CF9949 #49CF56
square
#497FCF #CF49C2 #CF9949 #49CF56
split-complementary
#497FCF #CF5649 #C2CF49
monochromatic
#21467D #2E61AD #497FCF #79A1DC #AAC3E9
Accessibility & contrast
On white
4.02
#497FCF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.22
#497FCF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497FCF
5.22:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497FCF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497FCF | 1.00 | 4.02 | 5.22 | 5.22 |
| #FFFFFF | 4.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.22 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.22 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B85D2
Deuteranopia (green-blind)
#4879CD
Tritanopia (blue-blind)
#00919D
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #497fcf; /* rgb */ color: rgb(73, 127, 207); /* oklch */ color: oklch(59.7% 0.136 258.1);
Tailwind
colors: {
custom: {
50: '#89a3de',
500: '#497fcf',
950: '#000000',
},
}SCSS
$custom: #497fcf; $custom-light: #89a3de; $custom-dark: #000000;
JSON
{
"hex": "#497fcf",
"rgb": {
"r": 73,
"g": 127,
"b": 207
},
"hsl": {
"h": 215.821,
"s": 58.261,
"l": 54.902
},
"oklch": {
"l": 0.59733,
"c": 0.13563,
"h": 258.1
},
"luminance": 0.211
}Semantic roles & 50–950 ramp
primary
#497FCF
secondary
#D6BF9E
accent
#A346E1
background
#F8FAFD
surface
#F0F3FB
border
#CBCDD4
text
#0D0F15
muted
#7D7F83