#457CB2#457CB2
#457CB2 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.3% C 0.102 H 249.6°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).
Color values
| HEX | #457CB2 |
|---|---|
| RGB | rgb(69, 124, 178) |
| HSL | hsl(210, 44%, 48%) |
| HSV | hsv(210, 61%, 70%) |
| CMYK | cmyk(61.2%, 30.3%, 0%, 30.2%) |
| CIE-LAB | lab(50.56, -1.41, -34.02) |
| CIE-LCH | lch(50.56, 34.05, 267.63°) |
| OKLab | oklab(57.26% -0.0356 -0.0959) |
| OKLCH | oklch(57.26% 0.102 249.6) |
| XYZ | xyz(17.6948, 18.8932, 44.8251) |
| Luminance | 0.1890 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.18
Steel Blue
#4682B4
ΔE00 2.48
Cool Blue
#4984B8
ΔE00 3.02
Bluish
#2976BB
ΔE00 3.06
Flat Blue
#3C73A8
ΔE00 3.52
Off Blue
#5684AE
ΔE00 3.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#457CB2 #B27B45
analogous
#45B2B1 #457CB2 #4545B2
triadic
#457CB2 #B2457C #7CB245
tetradic
#457CB2 #B145B2 #B27B45 #45B245
square
#457CB2 #B145B2 #B27B45 #45B245
split-complementary
#457CB2 #B24545 #B2B145
monochromatic
#233F5A #345D86 #457CB2 #6E9BC7 #9AB9D8
Accessibility & contrast
On white
4.39
#457CB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.78
#457CB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #457CB2
4.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##457CB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##457CB2 | 1.00 | 4.39 | 4.78 | 4.78 |
| #FFFFFF | 4.39 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.78 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.78 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#657EB4
Deuteranopia (green-blind)
#5674B1
Tritanopia (blue-blind)
#00898F
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #457cb2; /* rgb */ color: rgb(69, 124, 178); /* oklch */ color: oklch(57.3% 0.102 249.6);
Tailwind
colors: {
custom: {
50: '#82a1c9',
500: '#457cb2',
950: '#000000',
},
}SCSS
$custom: #457cb2; $custom-light: #82a1c9; $custom-dark: #000000;
JSON
{
"hex": "#457cb2",
"rgb": {
"r": 69,
"g": 124,
"b": 178
},
"hsl": {
"h": 209.725,
"s": 44.13,
"l": 48.431
},
"oklch": {
"l": 0.5726,
"c": 0.10231,
"h": 249.6
},
"luminance": 0.18895
}Semantic roles & 50–950 ramp
primary
#457CB2
secondary
#C4A98F
accent
#9354D4
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0B0F13
muted
#7C7E82