#497ACB#497ACB
#497ACB is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.4% C 0.136 H 259.9°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).
Color values
| HEX | #497ACB |
|---|---|
| RGB | rgb(73, 122, 203) |
| HSL | hsl(217, 56%, 54%) |
| HSV | hsv(217, 64%, 80%) |
| CMYK | cmyk(64%, 39.9%, 0%, 20.4%) |
| CIE-LAB | lab(51.43, 9.11, -46.97) |
| CIE-LCH | lch(51.43, 47.85, 280.97°) |
| OKLab | oklab(58.4% -0.0237 -0.1337) |
| OKLCH | oklch(58.4% 0.136 259.9) |
| XYZ | xyz(20.4829, 19.6454, 59.2008) |
| Luminance | 0.1965 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.45
Deep Sky Blue
#0D75F8
ΔE00 4.63
Cornflower Blue
#5170D7
ΔE00 4.83
Clear Blue
#247AFD
ΔE00 4.93
Off Blue
#5684AE
ΔE00 5.23
Cool Blue
#4984B8
ΔE00 5.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497ACB #CB9A49
analogous
#49BBCB #497ACB #5949CB
triadic
#497ACB #CB497A #7ACB49
tetradic
#497ACB #CB49BB #CB9A49 #49CB59
square
#497ACB #CB49BB #CB9A49 #49CB59
split-complementary
#497ACB #CB5949 #BBCB49
monochromatic
#224277 #305DA7 #497ACB #799DD9 #A8C0E6
Accessibility & contrast
On white
4.26
#497ACB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.93
#497ACB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497ACB
4.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497ACB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497ACB | 1.00 | 4.26 | 4.93 | 4.93 |
| #FFFFFF | 4.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.93 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.93 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5681CE
Deuteranopia (green-blind)
#4375C9
Tritanopia (blue-blind)
#008C99
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #497acb; /* rgb */ color: rgb(73, 122, 203); /* oklch */ color: oklch(58.4% 0.136 259.9);
Tailwind
colors: {
custom: {
50: '#88a0db',
500: '#497acb',
950: '#000000',
},
}SCSS
$custom: #497acb; $custom-light: #88a0db; $custom-dark: #000000;
JSON
{
"hex": "#497acb",
"rgb": {
"r": 73,
"g": 122,
"b": 203
},
"hsl": {
"h": 217.385,
"s": 55.556,
"l": 54.118
},
"oklch": {
"l": 0.58404,
"c": 0.13578,
"h": 259.9
},
"luminance": 0.19647
}Semantic roles & 50–950 ramp
primary
#497ACB
secondary
#D4BF9C
accent
#A649DF
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83