#4580B3#4580B3
#4580B3 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.2% C 0.100 H 246.7°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4580B3 |
|---|---|
| RGB | rgb(69, 128, 179) |
| HSL | hsl(208, 44%, 49%) |
| HSV | hsv(208, 61%, 70%) |
| CMYK | cmyk(61.5%, 28.5%, 0%, 29.8%) |
| CIE-LAB | lab(51.79, -3.43, -32.68) |
| CIE-LCH | lch(51.79, 32.86, 264.00°) |
| OKLab | oklab(58.24% -0.0397 -0.092) |
| OKLCH | oklch(58.24% 0.1 246.7) |
| XYZ | xyz(18.3071, 19.9565, 45.5263) |
| Luminance | 0.1996 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 0.78
Cool Blue
#4984B8
ΔE00 1.55
Off Blue
#5684AE
ΔE00 2.63
Dusty Blue
#5A86AD
ΔE00 3.52
Windows Blue
#3778BF
ΔE00 3.57
Stormy Blue
#507B9C
ΔE00 4.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4580B3 #B37845
analogous
#45B3AF #4580B3 #4549B3
triadic
#4580B3 #B34580 #80B345
tetradic
#4580B3 #AF45B3 #B37845 #49B345
square
#4580B3 #AF45B3 #B37845 #49B345
split-complementary
#4580B3 #B34549 #B3AF45
monochromatic
#23415B #346087 #4580B3 #6E9EC7 #9ABBD8
Accessibility & contrast
On white
4.21
#4580B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#4580B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4580B3
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4580B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4580B3 | 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)
#6A81B5
Deuteranopia (green-blind)
#5B77B2
Tritanopia (blue-blind)
#008C92
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #4580b3; /* rgb */ color: rgb(69, 128, 179); /* oklch */ color: oklch(58.2% 0.100 246.7);
Tailwind
colors: {
custom: {
50: '#82a4ca',
500: '#4580b3',
950: '#000000',
},
}SCSS
$custom: #4580b3; $custom-light: #82a4ca; $custom-dark: #000000;
JSON
{
"hex": "#4580b3",
"rgb": {
"r": 69,
"g": 128,
"b": 179
},
"hsl": {
"h": 207.818,
"s": 44.355,
"l": 48.627
},
"oklch": {
"l": 0.5824,
"c": 0.1002,
"h": 246.7
},
"luminance": 0.19958
}Semantic roles & 50–950 ramp
primary
#4580B3
secondary
#C4A88F
accent
#8F54D4
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0B0F13
muted
#7C7F82