#457BCF#457BCF
#457BCF is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.7% C 0.142 H 259.0°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #457BCF |
|---|---|
| RGB | rgb(69, 123, 207) |
| HSL | hsl(217, 59%, 54%) |
| HSV | hsv(217, 67%, 81%) |
| CMYK | cmyk(66.7%, 40.6%, 0%, 18.8%) |
| CIE-LAB | lab(51.76, 9.21, -48.73) |
| CIE-LCH | lch(51.76, 49.60, 280.70°) |
| OKLab | oklab(58.68% -0.0271 -0.1389) |
| OKLCH | oklch(58.68% 0.142 259) |
| XYZ | xyz(20.7956, 19.9340, 61.7711) |
| Luminance | 0.1994 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.30
Deep Sky Blue
#0D75F8
ΔE00 4.26
Clear Blue
#247AFD
ΔE00 4.46
Cool Blue
#4984B8
ΔE00 4.89
Azure
#007FFF
ΔE00 4.92
Steel Blue
#4682B4
ΔE00 5.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#457BCF #CF9945
analogous
#45C0CF #457BCF #5445CF
triadic
#457BCF #CF457B #7BCF45
tetradic
#457BCF #CF45C0 #CF9945 #45CF54
square
#457BCF #CF45C0 #CF9945 #45CF54
split-complementary
#457BCF #CF5445 #C0CF45
monochromatic
#20437A #2C5EAB #457BCF #769EDC #A6C0E8
Accessibility & contrast
On white
4.21
#457BCF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#457BCF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #457BCF
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##457BCF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##457BCF | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5482D2
Deuteranopia (green-blind)
#3F75CD
Tritanopia (blue-blind)
#008E9B
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #457bcf; /* rgb */ color: rgb(69, 123, 207); /* oklch */ color: oklch(58.7% 0.142 259.0);
Tailwind
colors: {
custom: {
50: '#87a0de',
500: '#457bcf',
950: '#000000',
},
}SCSS
$custom: #457bcf; $custom-light: #87a0de; $custom-dark: #000000;
JSON
{
"hex": "#457bcf",
"rgb": {
"r": 69,
"g": 123,
"b": 207
},
"hsl": {
"h": 216.522,
"s": 58.974,
"l": 54.118
},
"oklch": {
"l": 0.58683,
"c": 0.14153,
"h": 259
},
"luminance": 0.19936
}Semantic roles & 50–950 ramp
primary
#457BCF
secondary
#D5BE9B
accent
#A546E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83