#497DDB#497DDB
#497DDB is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.0% C 0.154 H 261.2°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).
Color values
| HEX | #497DDB |
|---|---|
| RGB | rgb(73, 125, 219) |
| HSL | hsl(219, 67%, 57%) |
| HSV | hsv(219, 67%, 86%) |
| CMYK | cmyk(66.7%, 42.9%, 0%, 14.1%) |
| CIE-LAB | lab(53.16, 12.84, -53.28) |
| CIE-LCH | lch(53.16, 54.80, 283.55°) |
| OKLab | oklab(60.03% -0.0235 -0.1521) |
| OKLCH | oklch(60.03% 0.154 261.2) |
| XYZ | xyz(22.8629, 21.1959, 69.8904) |
| Luminance | 0.2120 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Clear Blue
#247AFD
ΔE00 3.45
Lightish Blue
#3D7AFD
ΔE00 3.72
Dodger Blue
#3E82FC
ΔE00 3.80
Deep Sky Blue
#0D75F8
ΔE00 3.96
Azure
#007FFF
ΔE00 4.13
Windows Blue
#3778BF
ΔE00 5.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497DDB #DBA749
analogous
#49C6DB #497DDB #5E49DB
triadic
#497DDB #DB497D #7DDB49
tetradic
#497DDB #DB49C6 #DBA749 #49DB5E
square
#497DDB #DB49C6 #DBA749 #49DB5E
split-complementary
#497DDB #DB5E49 #C6DB49
monochromatic
#1C448E #265DC1 #497DDB #7CA1E5 #AFC6EF
Accessibility & contrast
On white
4.01
#497DDB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.24
#497DDB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497DDB
5.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497DDB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497DDB | 1.00 | 4.01 | 5.24 | 5.24 |
| #FFFFFF | 4.01 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.24 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.24 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5086DF
Deuteranopia (green-blind)
#3879D9
Tritanopia (blue-blind)
#0093A1
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #497ddb; /* rgb */ color: rgb(73, 125, 219); /* oklch */ color: oklch(60.0% 0.154 261.2);
Tailwind
colors: {
custom: {
50: '#8ba2e7',
500: '#497ddb',
950: '#000000',
},
}SCSS
$custom: #497ddb; $custom-light: #8ba2e7; $custom-dark: #000000;
JSON
{
"hex": "#497ddb",
"rgb": {
"r": 73,
"g": 125,
"b": 219
},
"hsl": {
"h": 218.63,
"s": 66.972,
"l": 57.255
},
"oklch": {
"l": 0.60031,
"c": 0.15395,
"h": 261.2
},
"luminance": 0.21198
}Semantic roles & 50–950 ramp
primary
#497DDB
secondary
#DDC8A2
accent
#AD3EEA
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0F16
muted
#7E7E84