#497BB8#497BB8
#497BB8 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.5% C 0.109 H 254.3°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #497BB8 |
|---|---|
| RGB | rgb(73, 123, 184) |
| HSL | hsl(213, 44%, 50%) |
| HSV | hsv(213, 60%, 72%) |
| CMYK | cmyk(60.3%, 33.2%, 0%, 27.8%) |
| CIE-LAB | lab(50.74, 2.00, -37.20) |
| CIE-LCH | lch(50.74, 37.25, 273.08°) |
| OKLab | oklab(57.54% -0.0295 -0.1051) |
| OKLCH | oklch(57.54% 0.109 254.3) |
| XYZ | xyz(18.4792, 19.0414, 48.0396) |
| Luminance | 0.1904 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.11
Steel Blue
#4682B4
ΔE00 3.69
Bluish
#2976BB
ΔE00 3.69
Cool Blue
#4984B8
ΔE00 3.87
Flat Blue
#3C73A8
ΔE00 3.96
Off Blue
#5684AE
ΔE00 4.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#497BB8 #B88649
analogous
#49B3B8 #497BB8 #4E49B8
triadic
#497BB8 #B8497B #7BB849
tetradic
#497BB8 #B849B3 #B88649 #49B84E
square
#497BB8 #B849B3 #B88649 #49B84E
split-complementary
#497BB8 #B84E49 #B3B849
monochromatic
#264061 #375E8D #497BB8 #759BC9 #A1BBDA
Accessibility & contrast
On white
4.37
#497BB8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.81
#497BB8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #497BB8
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##497BB8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##497BB8 | 1.00 | 4.37 | 4.81 | 4.81 |
| #FFFFFF | 4.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#617FBB
Deuteranopia (green-blind)
#5374B7
Tritanopia (blue-blind)
#008991
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #497bb8; /* rgb */ color: rgb(73, 123, 184); /* oklch */ color: oklch(57.5% 0.109 254.3);
Tailwind
colors: {
custom: {
50: '#85a0cd',
500: '#497bb8',
950: '#000000',
},
}SCSS
$custom: #497bb8; $custom-light: #85a0cd; $custom-dark: #000000;
JSON
{
"hex": "#497bb8",
"rgb": {
"r": 73,
"g": 123,
"b": 184
},
"hsl": {
"h": 212.973,
"s": 43.874,
"l": 50.392
},
"oklch": {
"l": 0.57539,
"c": 0.10917,
"h": 254.3
},
"luminance": 0.19043
}Semantic roles & 50–950 ramp
primary
#497BB8
secondary
#C7B196
accent
#9A54D4
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E13
muted
#7D7E82