#497BCF#497BCF
#497BCF is a mid, vivid blue. Relative luminance 0.201; OKLCH L 58.9% C 0.140 H 260.2°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #497BCF |
|---|---|
| RGB | rgb(73, 123, 207) |
| HSL | hsl(218, 58%, 55%) |
| HSV | hsv(218, 65%, 81%) |
| CMYK | cmyk(64.7%, 40.6%, 0%, 18.8%) |
| CIE-LAB | lab(51.93, 9.88, -48.45) |
| CIE-LCH | lch(51.93, 49.45, 281.53°) |
| OKLab | oklab(58.86% -0.0239 -0.138) |
| OKLCH | oklch(58.86% 0.14 260.2) |
| XYZ | xyz(21.0891, 20.0854, 61.7849) |
| Luminance | 0.2009 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.79
Deep Sky Blue
#0D75F8
ΔE00 4.40
Clear Blue
#247AFD
ΔE00 4.51
Lightish Blue
#3D7AFD
ΔE00 4.93
Cornflower Blue
#5170D7
ΔE00 4.97
Azure
#007FFF
ΔE00 5.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497BCF #CF9D49
analogous
#49BECF #497BCF #5A49CF
triadic
#497BCF #CF497B #7BCF49
tetradic
#497BCF #CF49BE #CF9D49 #49CF5A
square
#497BCF #CF49BE #CF9D49 #49CF5A
split-complementary
#497BCF #CF5A49 #BECF49
monochromatic
#21437D #2E5DAD #497BCF #799EDC #AAC1E9
Accessibility & contrast
On white
4.19
#497BCF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.02
#497BCF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497BCF
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497BCF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497BCF | 1.00 | 4.19 | 5.02 | 5.02 |
| #FFFFFF | 4.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.02 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.02 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5583D2
Deuteranopia (green-blind)
#4176CD
Tritanopia (blue-blind)
#008E9B
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #497bcf; /* rgb */ color: rgb(73, 123, 207); /* oklch */ color: oklch(58.9% 0.140 260.2);
Tailwind
colors: {
custom: {
50: '#89a0de',
500: '#497bcf',
950: '#000000',
},
}SCSS
$custom: #497bcf; $custom-light: #89a0de; $custom-dark: #000000;
JSON
{
"hex": "#497bcf",
"rgb": {
"r": 73,
"g": 123,
"b": 207
},
"hsl": {
"h": 217.612,
"s": 58.261,
"l": 54.902
},
"oklch": {
"l": 0.58862,
"c": 0.14007,
"h": 260.2
},
"luminance": 0.20087
}Semantic roles & 50–950 ramp
primary
#497BCF
secondary
#D6C19E
accent
#A846E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0E15
muted
#7D7E83