#497BB3#497BB3
#497BB3 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.3% C 0.103 H 252.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).
Color values
| HEX | #497BB3 |
|---|---|
| RGB | rgb(73, 123, 179) |
| HSL | hsl(212, 42%, 49%) |
| HSV | hsv(212, 59%, 70%) |
| CMYK | cmyk(59.2%, 31.3%, 0%, 29.8%) |
| CIE-LAB | lab(50.49, 0.33, -34.69) |
| CIE-LCH | lch(50.49, 34.69, 270.54°) |
| OKLab | oklab(57.27% -0.0309 -0.0978) |
| OKLCH | oklch(57.27% 0.103 252.5) |
| XYZ | xyz(17.9644, 18.8355, 45.3280) |
| Luminance | 0.1884 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.14
Steel Blue
#4682B4
ΔE00 3.32
Bluish
#2976BB
ΔE00 3.45
Flat Blue
#3C73A8
ΔE00 3.54
Cool Blue
#4984B8
ΔE00 3.65
Off Blue
#5684AE
ΔE00 3.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497BB3 #B38149
analogous
#49B0B3 #497BB3 #4C49B3
triadic
#497BB3 #B3497B #7BB349
tetradic
#497BB3 #B349B0 #B38149 #49B34C
square
#497BB3 #B349B0 #B38149 #49B34C
split-complementary
#497BB3 #B34C49 #B0B349
monochromatic
#263F5C #375D88 #497BB3 #739AC6 #9FBAD8
Accessibility & contrast
On white
4.40
#497BB3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.77
#497BB3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497BB3
4.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497BB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497BB3 | 1.00 | 4.40 | 4.77 | 4.77 |
| #FFFFFF | 4.40 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#647EB5
Deuteranopia (green-blind)
#5674B2
Tritanopia (blue-blind)
#00888F
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #497bb3; /* rgb */ color: rgb(73, 123, 179); /* oklch */ color: oklch(57.3% 0.103 252.5);
Tailwind
colors: {
custom: {
50: '#84a0ca',
500: '#497bb3',
950: '#000000',
},
}SCSS
$custom: #497bb3; $custom-light: #84a0ca; $custom-dark: #000000;
JSON
{
"hex": "#497bb3",
"rgb": {
"r": 73,
"g": 123,
"b": 179
},
"hsl": {
"h": 211.698,
"s": 42.063,
"l": 49.412
},
"oklch": {
"l": 0.57271,
"c": 0.10259,
"h": 252.5
},
"luminance": 0.18837
}Semantic roles & 50–950 ramp
primary
#497BB3
secondary
#C4AD93
accent
#9756D2
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0E13
muted
#7D7E82