#497FCB#497FCB
#497FCB is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.5% C 0.130 H 257.2°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).
Color values
| HEX | #497FCB |
|---|---|
| RGB | rgb(73, 127, 203) |
| HSL | hsl(215, 56%, 54%) |
| HSV | hsv(215, 64%, 80%) |
| CMYK | cmyk(64%, 37.4%, 0%, 20.4%) |
| CIE-LAB | lab(52.85, 6.06, -44.73) |
| CIE-LCH | lch(52.85, 45.14, 277.72°) |
| OKLab | oklab(59.5% -0.0288 -0.1271) |
| OKLCH | oklch(59.5% 0.13 257.2) |
| XYZ | xyz(21.1127, 20.9050, 59.4108) |
| Luminance | 0.2091 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.66
Cool Blue
#4984B8
ΔE00 3.81
Steel Blue
#4682B4
ΔE00 4.20
Off Blue
#5684AE
ΔE00 4.22
Azure
#007FFF
ΔE00 4.76
Clear Blue
#247AFD
ΔE00 4.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497FCB #CB9549
analogous
#49C0CB #497FCB #5449CB
triadic
#497FCB #CB497F #7FCB49
tetradic
#497FCB #CB49C0 #CB9549 #49CB54
square
#497FCB #CB49C0 #CB9549 #49CB54
split-complementary
#497FCB #CB5449 #C0CB49
monochromatic
#224677 #3061A7 #497FCB #79A0D9 #A8C2E6
Accessibility & contrast
On white
4.05
#497FCB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.18
#497FCB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497FCB
5.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497FCB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497FCB | 1.00 | 4.05 | 5.18 | 5.18 |
| #FFFFFF | 4.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E85CE
Deuteranopia (green-blind)
#4B79C9
Tritanopia (blue-blind)
#00909B
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #497fcb; /* rgb */ color: rgb(73, 127, 203); /* oklch */ color: oklch(59.5% 0.130 257.2);
Tailwind
colors: {
custom: {
50: '#88a3db',
500: '#497fcb',
950: '#000000',
},
}SCSS
$custom: #497fcb; $custom-light: #88a3db; $custom-dark: #000000;
JSON
{
"hex": "#497fcb",
"rgb": {
"r": 73,
"g": 127,
"b": 203
},
"hsl": {
"h": 215.077,
"s": 55.556,
"l": 54.118
},
"oklch": {
"l": 0.595,
"c": 0.13029,
"h": 257.2
},
"luminance": 0.20907
}Semantic roles & 50–950 ramp
primary
#497FCB
secondary
#D4BD9C
accent
#A149DF
background
#F8FAFD
surface
#F0F3FB
border
#CBCDD4
text
#0C0F15
muted
#7D7F83