#497ACE#497ACE
#497ACE is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.6% C 0.140 H 260.5°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).
Color values
| HEX | #497ACE |
|---|---|
| RGB | rgb(73, 122, 206) |
| HSL | hsl(218, 58%, 55%) |
| HSV | hsv(218, 65%, 81%) |
| CMYK | cmyk(64.6%, 40.8%, 0%, 19.2%) |
| CIE-LAB | lab(51.60, 10.15, -48.42) |
| CIE-LCH | lch(51.60, 49.47, 281.84°) |
| OKLab | oklab(58.59% -0.0231 -0.1379) |
| OKLCH | oklch(58.59% 0.14 260.5) |
| XYZ | xyz(20.8438, 19.7898, 61.1019) |
| Luminance | 0.1979 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.73
Deep Sky Blue
#0D75F8
ΔE00 4.42
Cornflower Blue
#5170D7
ΔE00 4.67
Clear Blue
#247AFD
ΔE00 4.67
Lightish Blue
#3D7AFD
ΔE00 5.05
Cerulean Blue
#056EEE
ΔE00 5.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497ACE #CE9D49
analogous
#49BCCE #497ACE #5B49CE
triadic
#497ACE #CE497A #7ACE49
tetradic
#497ACE #CE49BC #CE9D49 #49CE5B
square
#497ACE #CE49BC #CE9D49 #49CE5B
split-complementary
#497ACE #CE5B49 #BCCE49
monochromatic
#21427B #2E5CAC #497ACE #799DDB #A9C0E8
Accessibility & contrast
On white
4.24
#497ACE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.96
#497ACE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497ACE
4.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497ACE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497ACE | 1.00 | 4.24 | 4.96 | 4.96 |
| #FFFFFF | 4.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5482D1
Deuteranopia (green-blind)
#4075CC
Tritanopia (blue-blind)
#008D9A
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #497ace; /* rgb */ color: rgb(73, 122, 206); /* oklch */ color: oklch(58.6% 0.140 260.5);
Tailwind
colors: {
custom: {
50: '#88a0dd',
500: '#497ace',
950: '#000000',
},
}SCSS
$custom: #497ace; $custom-light: #88a0dd; $custom-dark: #000000;
JSON
{
"hex": "#497ace",
"rgb": {
"r": 73,
"g": 122,
"b": 206
},
"hsl": {
"h": 217.895,
"s": 57.576,
"l": 54.706
},
"oklch": {
"l": 0.58585,
"c": 0.13984,
"h": 260.5
},
"luminance": 0.19792
}Semantic roles & 50–950 ramp
primary
#497ACE
secondary
#D5C19D
accent
#A847E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0D0E15
muted
#7D7E83