#497DDD#497DDD
#497DDD is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.2% C 0.157 H 261.5°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #497DDD |
|---|---|
| RGB | rgb(73, 125, 221) |
| HSL | hsl(219, 69%, 58%) |
| HSV | hsv(219, 67%, 87%) |
| CMYK | cmyk(67%, 43.4%, 0%, 13.3%) |
| CIE-LAB | lab(53.28, 13.54, -54.22) |
| CIE-LCH | lch(53.28, 55.88, 284.02°) |
| OKLab | oklab(60.16% -0.0231 -0.1549) |
| OKLCH | oklch(60.16% 0.157 261.5) |
| XYZ | xyz(23.1278, 21.3019, 71.2854) |
| Luminance | 0.2130 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Clear Blue
#247AFD
ΔE00 3.30
Lightish Blue
#3D7AFD
ΔE00 3.50
Dodger Blue
#3E82FC
ΔE00 3.63
Deep Sky Blue
#0D75F8
ΔE00 3.88
Azure
#007FFF
ΔE00 4.05
Soft Blue
#6488EA
ΔE00 5.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497DDD #DDA949
analogous
#49C7DD #497DDD #5F49DD
triadic
#497DDD #DD497D #7DDD49
tetradic
#497DDD #DD49C7 #DDA949 #49DD5F
square
#497DDD #DD49C7 #DDA949 #49DD5F
split-complementary
#497DDD #DD5F49 #C7DD49
monochromatic
#1B4491 #255DC4 #497DDD #7DA2E7 #B0C7F0
Accessibility & contrast
On white
3.99
#497DDD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.26
#497DDD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497DDD
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497DDD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497DDD | 1.00 | 3.99 | 5.26 | 5.26 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F87E1
Deuteranopia (green-blind)
#3579DB
Tritanopia (blue-blind)
#0093A2
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #497ddd; /* rgb */ color: rgb(73, 125, 221); /* oklch */ color: oklch(60.2% 0.157 261.5);
Tailwind
colors: {
custom: {
50: '#8ba2e8',
500: '#497ddd',
950: '#000000',
},
}SCSS
$custom: #497ddd; $custom-light: #8ba2e8; $custom-dark: #000000;
JSON
{
"hex": "#497ddd",
"rgb": {
"r": 73,
"g": 125,
"b": 221
},
"hsl": {
"h": 218.919,
"s": 68.519,
"l": 57.647
},
"oklch": {
"l": 0.60157,
"c": 0.15664,
"h": 261.5
},
"luminance": 0.21304
}Semantic roles & 50–950 ramp
primary
#497DDD
secondary
#DFCAA3
accent
#AE3CEB
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0F16
muted
#7E7E84