#4572BB#4572BB
#4572BB is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.5% C 0.124 H 259.6°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).
Color values
| HEX | #4572BB |
|---|---|
| RGB | rgb(69, 114, 187) |
| HSL | hsl(217, 46%, 50%) |
| HSV | hsv(217, 63%, 73%) |
| CMYK | cmyk(63.1%, 39%, 0%, 26.7%) |
| CIE-LAB | lab(48.12, 7.75, -43.08) |
| CIE-LCH | lch(48.12, 43.77, 280.20°) |
| OKLab | oklab(55.5% -0.0224 -0.1224) |
| OKLCH | oklch(55.5% 0.124 259.6) |
| XYZ | xyz(17.4380, 16.8861, 49.3444) |
| Luminance | 0.1689 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.00
Medium Blue
#2C6FBB
ΔE00 3.15
Windows Blue
#3778BF
ΔE00 3.59
Flat Blue
#3C73A8
ΔE00 3.75
Mid Blue
#276AB3
ΔE00 4.46
Bluish
#2976BB
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4572BB #BB8E45
analogous
#45ADBB #4572BB #5345BB
triadic
#4572BB #BB4572 #72BB45
tetradic
#4572BB #BB45AD #BB8E45 #45BB53
square
#4572BB #BB45AD #BB8E45 #45BB53
split-complementary
#4572BB #BB5345 #ADBB45
monochromatic
#243B62 #34578F #4572BB #7294CB #9FB6DC
Accessibility & contrast
On white
4.80
#4572BB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.38
#4572BB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4572BB
4.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4572BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4572BB | 1.00 | 4.80 | 4.38 | 4.80 |
| #FFFFFF | 4.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5278BE
Deuteranopia (green-blind)
#416DB9
Tritanopia (blue-blind)
#00838D
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #4572bb; /* rgb */ color: rgb(69, 114, 187); /* oklch */ color: oklch(55.5% 0.124 259.6);
Tailwind
colors: {
custom: {
50: '#849ad0',
500: '#4572bb',
950: '#000000',
},
}SCSS
$custom: #4572bb; $custom-light: #849ad0; $custom-dark: #000000;
JSON
{
"hex": "#4572bb",
"rgb": {
"r": 69,
"g": 114,
"b": 187
},
"hsl": {
"h": 217.119,
"s": 46.457,
"l": 50.196
},
"oklch": {
"l": 0.55498,
"c": 0.12448,
"h": 259.6
},
"luminance": 0.16888
}Semantic roles & 50–950 ramp
primary
#4572BB
secondary
#C8B494
accent
#A452D6
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82