#497BCA#497BCA
#497BCA is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.6% C 0.133 H 259.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).
Color values
| HEX | #497BCA |
|---|---|
| RGB | rgb(73, 123, 202) |
| HSL | hsl(217, 55%, 54%) |
| HSV | hsv(217, 64%, 79%) |
| CMYK | cmyk(63.9%, 39.1%, 0%, 20.8%) |
| CIE-LAB | lab(51.66, 8.15, -46.04) |
| CIE-LCH | lch(51.66, 46.76, 280.04°) |
| OKLab | oklab(58.56% -0.025 -0.1309) |
| OKLCH | oklch(58.56% 0.133 259.2) |
| XYZ | xyz(20.4875, 19.8447, 58.6164) |
| Luminance | 0.1985 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.32
Deep Sky Blue
#0D75F8
ΔE00 4.74
Cool Blue
#4984B8
ΔE00 4.87
Off Blue
#5684AE
ΔE00 4.95
Clear Blue
#247AFD
ΔE00 4.95
Steel Blue
#4682B4
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497BCA #CA9849
analogous
#49BCCA #497BCA #5849CA
triadic
#497BCA #CA497B #7BCA49
tetradic
#497BCA #CA49BC #CA9849 #49CA58
square
#497BCA #CA49BC #CA9849 #49CA58
split-complementary
#497BCA #CA5849 #BCCA49
monochromatic
#224376 #305EA6 #497BCA #789DD8 #A8C0E6
Accessibility & contrast
On white
4.23
#497BCA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.97
#497BCA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497BCA
4.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497BCA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497BCA | 1.00 | 4.23 | 4.97 | 4.97 |
| #FFFFFF | 4.23 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.97 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.97 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5882CD
Deuteranopia (green-blind)
#4576C8
Tritanopia (blue-blind)
#008D99
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #497bca; /* rgb */ color: rgb(73, 123, 202); /* oklch */ color: oklch(58.6% 0.133 259.2);
Tailwind
colors: {
custom: {
50: '#88a0da',
500: '#497bca',
950: '#000000',
},
}SCSS
$custom: #497bca; $custom-light: #88a0da; $custom-dark: #000000;
JSON
{
"hex": "#497bca",
"rgb": {
"r": 73,
"g": 123,
"b": 202
},
"hsl": {
"h": 216.744,
"s": 54.894,
"l": 53.922
},
"oklch": {
"l": 0.58562,
"c": 0.13331,
"h": 259.2
},
"luminance": 0.19847
}Semantic roles & 50–950 ramp
primary
#497BCA
secondary
#D3BE9C
accent
#A54ADE
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83