#4574BB#4574BB
#4574BB is a mid, vivid blue. Relative luminance 0.173; OKLCH L 55.9% C 0.122 H 258.4°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).
Color values
| HEX | #4574BB |
|---|---|
| RGB | rgb(69, 116, 187) |
| HSL | hsl(216, 46%, 50%) |
| HSV | hsv(216, 63%, 73%) |
| CMYK | cmyk(63.1%, 38%, 0%, 26.7%) |
| CIE-LAB | lab(48.69, 6.52, -42.17) |
| CIE-LCH | lch(48.69, 42.67, 278.78°) |
| OKLab | oklab(55.94% -0.0245 -0.1198) |
| OKLCH | oklch(55.94% 0.122 258.4) |
| XYZ | xyz(17.6661, 17.3422, 49.4205) |
| Luminance | 0.1734 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.90
Medium Blue
#2C6FBB
ΔE00 3.17
Flat Blue
#3C73A8
ΔE00 3.51
French Blue
#436BAD
ΔE00 3.65
Bluish
#2976BB
ΔE00 4.13
Dull Blue
#49759C
ΔE00 4.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4574BB #BB8C45
analogous
#45AFBB #4574BB #5145BB
triadic
#4574BB #BB4574 #74BB45
tetradic
#4574BB #BB45AF #BB8C45 #45BB51
square
#4574BB #BB45AF #BB8C45 #45BB51
split-complementary
#4574BB #BB5145 #AFBB45
monochromatic
#243C62 #34588F #4574BB #7295CB #9FB7DC
Accessibility & contrast
On white
4.70
#4574BB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.47
#4574BB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4574BB
4.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4574BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4574BB | 1.00 | 4.70 | 4.47 | 4.70 |
| #FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#557ABE
Deuteranopia (green-blind)
#456FBA
Tritanopia (blue-blind)
#00848E
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #4574bb; /* rgb */ color: rgb(69, 116, 187); /* oklch */ color: oklch(55.9% 0.122 258.4);
Tailwind
colors: {
custom: {
50: '#849bd0',
500: '#4574bb',
950: '#000000',
},
}SCSS
$custom: #4574bb; $custom-light: #849bd0; $custom-dark: #000000;
JSON
{
"hex": "#4574bb",
"rgb": {
"r": 69,
"g": 116,
"b": 187
},
"hsl": {
"h": 216.102,
"s": 46.457,
"l": 50.196
},
"oklch": {
"l": 0.55943,
"c": 0.12225,
"h": 258.4
},
"luminance": 0.17344
}Semantic roles & 50–950 ramp
primary
#4574BB
secondary
#C8B394
accent
#A152D6
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82