#457CA9#457CA9
#457CA9 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.8% C 0.091 H 245.1°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).
Color values
| HEX | #457CA9 |
|---|---|
| RGB | rgb(69, 124, 169) |
| HSL | hsl(207, 42%, 47%) |
| HSV | hsv(207, 59%, 66%) |
| CMYK | cmyk(59.2%, 26.6%, 0%, 33.7%) |
| CIE-LAB | lab(50.15, -4.41, -29.45) |
| CIE-LCH | lch(50.15, 29.78, 261.49°) |
| OKLab | oklab(56.8% -0.0384 -0.0827) |
| OKLCH | oklch(56.8% 0.091 245.1) |
| XYZ | xyz(16.8207, 18.5436, 40.2213) |
| Luminance | 0.1855 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.46
Stormy Blue
#507B9C
ΔE00 2.75
Dull Blue
#49759C
ΔE00 3.07
Cool Blue
#4984B8
ΔE00 3.36
Windows Blue
#3778BF
ΔE00 3.54
Off Blue
#5684AE
ΔE00 3.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#457CA9 #A97245
analogous
#45A9A4 #457CA9 #454AA9
triadic
#457CA9 #A9457C #7CA945
tetradic
#457CA9 #A445A9 #A97245 #4AA945
square
#457CA9 #A445A9 #A97245 #4AA945
split-complementary
#457CA9 #A9454A #A9A445
monochromatic
#223C52 #335C7E #457CA9 #699AC2 #95B7D4
Accessibility & contrast
On white
4.46
#457CA9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.71
#457CA9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #457CA9
4.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##457CA9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##457CA9 | 1.00 | 4.46 | 4.71 | 4.71 |
| #FFFFFF | 4.46 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.71 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.71 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#697DAB
Deuteranopia (green-blind)
#5B73A8
Tritanopia (blue-blind)
#00878B
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #457ca9; /* rgb */ color: rgb(69, 124, 169); /* oklch */ color: oklch(56.8% 0.091 245.1);
Tailwind
colors: {
custom: {
50: '#81a1c2',
500: '#457ca9',
950: '#000000',
},
}SCSS
$custom: #457ca9; $custom-light: #81a1c2; $custom-dark: #000000;
JSON
{
"hex": "#457ca9",
"rgb": {
"r": 69,
"g": 124,
"b": 169
},
"hsl": {
"h": 207,
"s": 42.017,
"l": 46.667
},
"oklch": {
"l": 0.56798,
"c": 0.0912,
"h": 245.1
},
"luminance": 0.18545
}Semantic roles & 50–950 ramp
primary
#457CA9
secondary
#BFA28A
accent
#8E56D2
background
#F8F9FB
surface
#EFF2F7
border
#CACCD0
text
#0B0F12
muted
#7C7E81