#455FB4#455FB4
#455FB4 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.9% C 0.138 H 268.4°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).
Color values
| HEX | #455FB4 |
|---|---|
| RGB | rgb(69, 95, 180) |
| HSL | hsl(226, 45%, 49%) |
| HSV | hsv(226, 62%, 71%) |
| CMYK | cmyk(61.7%, 47.2%, 0%, 29.4%) |
| CIE-LAB | lab(42.37, 17.27, -48.17) |
| CIE-LCH | lch(42.37, 51.17, 289.73°) |
| OKLab | oklab(50.95% -0.0038 -0.1376) |
| OKLCH | oklch(50.95% 0.138 268.4) |
| XYZ | xyz(14.7819, 12.7437, 44.8520) |
| Luminance | 0.1275 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusky Blue
#475F94
ΔE00 4.54
French Blue
#436BAD
ΔE00 4.87
Denim Blue
#3B5B92
ΔE00 5.08
Denim
#1560BD
ΔE00 5.24
Sapphire
#0F52BA
ΔE00 5.65
Denim (survey)
#3B638C
ΔE00 6.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#455FB4 #B49A45
analogous
#4597B4 #455FB4 #6345B4
triadic
#455FB4 #B4455F #5FB445
tetradic
#455FB4 #B44597 #B49A45 #45B463
square
#455FB4 #B44597 #B49A45 #45B463
split-complementary
#455FB4 #B46345 #97B445
monochromatic
#23305C #344888 #455FB4 #6F83C8 #9BA9D9
Accessibility & contrast
On white
5.92
#455FB4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.55
#455FB4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #455FB4
5.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##455FB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##455FB4 | 1.00 | 5.92 | 3.55 | 5.92 |
| #FFFFFF | 5.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3569B7
Deuteranopia (green-blind)
#225FB2
Tritanopia (blue-blind)
#007281
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #455fb4; /* rgb */ color: rgb(69, 95, 180); /* oklch */ color: oklch(50.9% 0.138 268.4);
Tailwind
colors: {
custom: {
50: '#838ccb',
500: '#455fb4',
950: '#000000',
},
}SCSS
$custom: #455fb4; $custom-light: #838ccb; $custom-dark: #000000;
JSON
{
"hex": "#455fb4",
"rgb": {
"r": 69,
"g": 95,
"b": 180
},
"hsl": {
"h": 225.946,
"s": 44.578,
"l": 48.824
},
"oklch": {
"l": 0.50947,
"c": 0.13767,
"h": 268.4
},
"luminance": 0.12745
}Semantic roles & 50–950 ramp
primary
#455FB4
secondary
#C5B890
accent
#B654D4
background
#F8F8FC
surface
#F0F0F8
border
#CBCBD1
text
#0B0C13
muted
#7C7D82