#4555BB#4555BB
#4555BB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.160 H 272.4°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).
Color values
| HEX | #4555BB |
|---|---|
| RGB | rgb(69, 85, 187) |
| HSL | hsl(232, 46%, 50%) |
| HSV | hsv(232, 63%, 73%) |
| CMYK | cmyk(63.1%, 54.5%, 0%, 26.7%) |
| CIE-LAB | lab(40.16, 26.12, -55.83) |
| CIE-LCH | lch(40.16, 61.64, 295.08°) |
| OKLab | oklab(49.42% 0.0068 -0.1603) |
| OKLCH | oklch(49.42% 0.16 272.4) |
| XYZ | xyz(14.6694, 11.3488, 48.4216) |
| Luminance | 0.1135 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 4.62
Iris
#6258C4
ΔE00 5.15
Sapphire
#0F52BA
ΔE00 5.20
Blue Blue
#2242C7
ΔE00 6.21
Ocean Blue
#4F42B5
ΔE00 6.58
Dark Periwinkle
#665FD1
ΔE00 6.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4555BB #BBAB45
analogous
#4590BB #4555BB #7045BB
triadic
#4555BB #BB4555 #55BB45
tetradic
#4555BB #BB4590 #BBAB45 #45BB70
square
#4555BB #BB4590 #BBAB45 #45BB70
split-complementary
#4555BB #BB7045 #90BB45
monochromatic
#242C62 #34408F #4555BB #727ECB #9FA7DC
Accessibility & contrast
On white
6.42
#4555BB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.27
#4555BB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4555BB
6.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4555BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4555BB | 1.00 | 6.42 | 3.27 | 6.42 |
| #FFFFFF | 6.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.27 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0964BF
Deuteranopia (green-blind)
#005AB9
Tritanopia (blue-blind)
#006D80
Achromatopsia (no color)
#5F5F5F
Design tokens & code
CSS
--color: #4555bb; /* rgb */ color: rgb(69, 85, 187); /* oklch */ color: oklch(49.4% 0.160 272.4);
Tailwind
colors: {
custom: {
50: '#8584d0',
500: '#4555bb',
950: '#000000',
},
}SCSS
$custom: #4555bb; $custom-light: #8584d0; $custom-dark: #000000;
JSON
{
"hex": "#4555bb",
"rgb": {
"r": 69,
"g": 85,
"b": 187
},
"hsl": {
"h": 231.864,
"s": 46.457,
"l": 50.196
},
"oklch": {
"l": 0.49421,
"c": 0.16044,
"h": 272.4
},
"luminance": 0.1135
}Semantic roles & 50–950 ramp
primary
#4555BB
secondary
#C8C194
accent
#C452D6
background
#F8F8FC
surface
#F0EFF9
border
#CBCAD2
text
#0C0B14
muted
#7D7C82