#497BCE#497BCE
#497BCE is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.8% C 0.139 H 260.0°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #497BCE |
|---|---|
| RGB | rgb(73, 123, 206) |
| HSL | hsl(217, 58%, 55%) |
| HSV | hsv(217, 65%, 81%) |
| CMYK | cmyk(64.6%, 40.3%, 0%, 19.2%) |
| CIE-LAB | lab(51.88, 9.53, -47.97) |
| CIE-LCH | lch(51.88, 48.91, 281.24°) |
| OKLab | oklab(58.8% -0.0241 -0.1366) |
| OKLCH | oklch(58.8% 0.139 260) |
| XYZ | xyz(20.9672, 20.0366, 61.1430) |
| Luminance | 0.2004 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.69
Deep Sky Blue
#0D75F8
ΔE00 4.47
Clear Blue
#247AFD
ΔE00 4.60
Cornflower Blue
#5170D7
ΔE00 5.01
Lightish Blue
#3D7AFD
ΔE00 5.04
Cool Blue
#4984B8
ΔE00 5.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497BCE #CE9C49
analogous
#49BDCE #497BCE #5A49CE
triadic
#497BCE #CE497B #7BCE49
tetradic
#497BCE #CE49BD #CE9C49 #49CE5A
square
#497BCE #CE49BD #CE9C49 #49CE5A
split-complementary
#497BCE #CE5A49 #BDCE49
monochromatic
#21437B #2E5DAC #497BCE #799EDB #A9C1E8
Accessibility & contrast
On white
4.19
#497BCE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.01
#497BCE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497BCE
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497BCE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497BCE | 1.00 | 4.19 | 5.01 | 5.01 |
| #FFFFFF | 4.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5682D1
Deuteranopia (green-blind)
#4276CC
Tritanopia (blue-blind)
#008E9A
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #497bce; /* rgb */ color: rgb(73, 123, 206); /* oklch */ color: oklch(58.8% 0.139 260.0);
Tailwind
colors: {
custom: {
50: '#88a0dd',
500: '#497bce',
950: '#000000',
},
}SCSS
$custom: #497bce; $custom-light: #88a0dd; $custom-dark: #000000;
JSON
{
"hex": "#497bce",
"rgb": {
"r": 73,
"g": 123,
"b": 206
},
"hsl": {
"h": 217.444,
"s": 57.576,
"l": 54.706
},
"oklch": {
"l": 0.58802,
"c": 0.13871,
"h": 260
},
"luminance": 0.20039
}Semantic roles & 50–950 ramp
primary
#497BCE
secondary
#D5C09D
accent
#A747E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0E15
muted
#7D7E83