#456FBB#456FBB
#456FBB is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.8% C 0.128 H 261.3°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).
Color values
| HEX | #456FBB |
|---|---|
| RGB | rgb(69, 111, 187) |
| HSL | hsl(219, 46%, 50%) |
| HSV | hsv(219, 63%, 73%) |
| CMYK | cmyk(63.1%, 40.6%, 0%, 26.7%) |
| CIE-LAB | lab(47.26, 9.61, -44.43) |
| CIE-LCH | lch(47.26, 45.46, 282.20°) |
| OKLab | oklab(54.84% -0.0193 -0.1265) |
| OKLCH | oklch(54.84% 0.128 261.3) |
| XYZ | xyz(17.1052, 16.2204, 49.2335) |
| Luminance | 0.1622 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 2.21
Medium Blue
#2C6FBB
ΔE00 3.48
Mid Blue
#276AB3
ΔE00 4.30
Flat Blue
#3C73A8
ΔE00 4.33
Cornflower Blue
#5170D7
ΔE00 4.50
Windows Blue
#3778BF
ΔE00 4.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#456FBB #BB9145
analogous
#45AABB #456FBB #5645BB
triadic
#456FBB #BB456F #6FBB45
tetradic
#456FBB #BB45AA #BB9145 #45BB56
square
#456FBB #BB45AA #BB9145 #45BB56
split-complementary
#456FBB #BB5645 #AABB45
monochromatic
#243A62 #34548F #456FBB #7292CB #9FB4DC
Accessibility & contrast
On white
4.95
#456FBB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.24
#456FBB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #456FBB
4.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##456FBB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##456FBB | 1.00 | 4.95 | 4.24 | 4.95 |
| #FFFFFF | 4.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D76BE
Deuteranopia (green-blind)
#3C6BB9
Tritanopia (blue-blind)
#00808C
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #456fbb; /* rgb */ color: rgb(69, 111, 187); /* oklch */ color: oklch(54.8% 0.128 261.3);
Tailwind
colors: {
custom: {
50: '#8497d0',
500: '#456fbb',
950: '#000000',
},
}SCSS
$custom: #456fbb; $custom-light: #8497d0; $custom-dark: #000000;
JSON
{
"hex": "#456fbb",
"rgb": {
"r": 69,
"g": 111,
"b": 187
},
"hsl": {
"h": 218.644,
"s": 46.457,
"l": 50.196
},
"oklch": {
"l": 0.54837,
"c": 0.12792,
"h": 261.3
},
"luminance": 0.16222
}Semantic roles & 50–950 ramp
primary
#456FBB
secondary
#C8B594
accent
#A752D6
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0D14
muted
#7D7E82