#4575BF#4575BF
#4575BF is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.4% C 0.127 H 258.8°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #4575BF |
|---|---|
| RGB | rgb(69, 117, 191) |
| HSL | hsl(216, 49%, 51%) |
| HSV | hsv(216, 64%, 75%) |
| CMYK | cmyk(63.9%, 38.7%, 0%, 25.1%) |
| CIE-LAB | lab(49.19, 7.29, -43.68) |
| CIE-LCH | lch(49.19, 44.29, 279.48°) |
| OKLab | oklab(56.4% -0.0246 -0.1242) |
| OKLCH | oklch(56.4% 0.127 258.8) |
| XYZ | xyz(18.2162, 17.7477, 51.7458) |
| Luminance | 0.1775 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.77
Medium Blue
#2C6FBB
ΔE00 3.49
Flat Blue
#3C73A8
ΔE00 3.87
French Blue
#436BAD
ΔE00 4.18
Bluish
#2976BB
ΔE00 4.20
Dull Blue
#49759C
ΔE00 4.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4575BF #BF8F45
analogous
#45B2BF #4575BF #5245BF
triadic
#4575BF #BF4575 #75BF45
tetradic
#4575BF #BF45B2 #BF8F45 #45BF52
square
#4575BF #BF45B2 #BF8F45 #45BF52
split-complementary
#4575BF #BF5245 #B2BF45
monochromatic
#233E66 #335994 #4575BF #7397CF #A0B9DE
Accessibility & contrast
On white
4.62
#4575BF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.55
#4575BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #4575BF
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4575BF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4575BF | 1.00 | 4.62 | 4.55 | 4.62 |
| #FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#547BC2
Deuteranopia (green-blind)
#4370BD
Tritanopia (blue-blind)
#008691
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #4575bf; /* rgb */ color: rgb(69, 117, 191); /* oklch */ color: oklch(56.4% 0.127 258.8);
Tailwind
colors: {
custom: {
50: '#849cd3',
500: '#4575bf',
950: '#000000',
},
}SCSS
$custom: #4575bf; $custom-light: #849cd3; $custom-dark: #000000;
JSON
{
"hex": "#4575bf",
"rgb": {
"r": 69,
"g": 117,
"b": 191
},
"hsl": {
"h": 216.393,
"s": 48.8,
"l": 50.98
},
"oklch": {
"l": 0.56401,
"c": 0.1266,
"h": 258.8
},
"luminance": 0.17749
}Semantic roles & 50–950 ramp
primary
#4575BF
secondary
#CBB695
accent
#A24FD8
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82