#455FBC#455FBC
#455FBC is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.5% C 0.149 H 268.9°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).
Color values
| HEX | #455FBC |
|---|---|
| RGB | rgb(69, 95, 188) |
| HSL | hsl(227, 47%, 50%) |
| HSV | hsv(227, 63%, 74%) |
| CMYK | cmyk(63.3%, 49.5%, 0%, 26.3%) |
| CIE-LAB | lab(42.88, 20.07, -52.02) |
| CIE-LCH | lch(42.88, 55.76, 291.10°) |
| OKLab | oklab(51.5% -0.0028 -0.149) |
| OKLCH | oklch(51.5% 0.149 268.9) |
| XYZ | xyz(15.6205, 13.0791, 49.2685) |
| Luminance | 0.1308 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 5.22
Denim
#1560BD
ΔE00 5.39
Warm Blue
#4B57DB
ΔE00 5.51
Dusky Blue
#475F94
ΔE00 5.59
Sapphire
#0F52BA
ΔE00 5.73
Royal Blue
#4169E1
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#455FBC #BCA245
analogous
#459ABC #455FBC #6645BC
triadic
#455FBC #BC455F #5FBC45
tetradic
#455FBC #BC459A #BCA245 #45BC66
square
#455FBC #BC459A #BCA245 #45BC66
split-complementary
#455FBC #BC6645 #9ABC45
monochromatic
#243163 #344890 #455FBC #7286CC #9FACDC
Accessibility & contrast
On white
5.81
#455FBC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.62
#455FBC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #455FBC
5.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##455FBC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##455FBC | 1.00 | 5.81 | 3.62 | 5.81 |
| #FFFFFF | 5.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D6BBF
Deuteranopia (green-blind)
#1160BA
Tritanopia (blue-blind)
#007484
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #455fbc; /* rgb */ color: rgb(69, 95, 188); /* oklch */ color: oklch(51.5% 0.149 268.9);
Tailwind
colors: {
custom: {
50: '#848cd1',
500: '#455fbc',
950: '#000000',
},
}SCSS
$custom: #455fbc; $custom-light: #848cd1; $custom-dark: #000000;
JSON
{
"hex": "#455fbc",
"rgb": {
"r": 69,
"g": 95,
"b": 188
},
"hsl": {
"h": 226.891,
"s": 47.036,
"l": 50.392
},
"oklch": {
"l": 0.51497,
"c": 0.149,
"h": 268.9
},
"luminance": 0.1308
}Semantic roles & 50–950 ramp
primary
#455FBC
secondary
#C9BD94
accent
#B951D7
background
#F8F8FC
surface
#F0F0F9
border
#CBCBD2
text
#0C0C14
muted
#7D7D82