#497DCB#497DCB
#497DCB is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.1% C 0.132 H 258.3°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).
Color values
| HEX | #497DCB |
|---|---|
| RGB | rgb(73, 125, 203) |
| HSL | hsl(216, 56%, 54%) |
| HSV | hsv(216, 64%, 80%) |
| CMYK | cmyk(64%, 38.4%, 0%, 20.4%) |
| CIE-LAB | lab(52.28, 7.28, -45.63) |
| CIE-LCH | lch(52.28, 46.21, 279.06°) |
| OKLab | oklab(59.06% -0.0268 -0.1297) |
| OKLCH | oklch(59.06% 0.132 258.3) |
| XYZ | xyz(20.8569, 20.3935, 59.3255) |
| Luminance | 0.2039 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.46
Cool Blue
#4984B8
ΔE00 4.35
Off Blue
#5684AE
ΔE00 4.57
Steel Blue
#4682B4
ΔE00 4.62
Clear Blue
#247AFD
ΔE00 4.80
Deep Sky Blue
#0D75F8
ΔE00 4.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497DCB #CB9749
analogous
#49BECB #497DCB #5649CB
triadic
#497DCB #CB497D #7DCB49
tetradic
#497DCB #CB49BE #CB9749 #49CB56
square
#497DCB #CB49BE #CB9749 #49CB56
split-complementary
#497DCB #CB5649 #BECB49
monochromatic
#224477 #305FA7 #497DCB #799FD9 #A8C1E6
Accessibility & contrast
On white
4.13
#497DCB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.08
#497DCB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497DCB
5.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497DCB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497DCB | 1.00 | 4.13 | 5.08 | 5.08 |
| #FFFFFF | 4.13 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.08 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.08 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B83CE
Deuteranopia (green-blind)
#4877C9
Tritanopia (blue-blind)
#008F9A
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #497dcb; /* rgb */ color: rgb(73, 125, 203); /* oklch */ color: oklch(59.1% 0.132 258.3);
Tailwind
colors: {
custom: {
50: '#88a2db',
500: '#497dcb',
950: '#000000',
},
}SCSS
$custom: #497dcb; $custom-light: #88a2db; $custom-dark: #000000;
JSON
{
"hex": "#497dcb",
"rgb": {
"r": 73,
"g": 125,
"b": 203
},
"hsl": {
"h": 216,
"s": 55.556,
"l": 54.118
},
"oklch": {
"l": 0.5906,
"c": 0.13246,
"h": 258.3
},
"luminance": 0.20395
}Semantic roles & 50–950 ramp
primary
#497DCB
secondary
#D4BD9C
accent
#A349DF
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0F15
muted
#7D7E83