#509FB4#509FB4
#509FB4 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.1% C 0.083 H 217.5°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).
Color values
| HEX | #509FB4 |
|---|---|
| RGB | rgb(80, 159, 180) |
| HSL | hsl(193, 40%, 51%) |
| HSV | hsv(193, 56%, 71%) |
| CMYK | cmyk(55.6%, 11.7%, 0%, 29.4%) |
| CIE-LAB | lab(61.48, -18.18, -18.27) |
| CIE-LCH | lch(61.48, 25.78, 225.15°) |
| OKLab | oklab(66.07% -0.0661 -0.0506) |
| OKLCH | oklch(66.07% 0.083 217.5) |
| XYZ | xyz(23.9414, 29.7948, 47.6605) |
| Luminance | 0.2980 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 6.47
Turquoise Blue
#06B1C4
ΔE00 7.11
Cadetblue
#5F9EA0
ΔE00 7.23
Teal Blue
#01889F
ΔE00 9.07
Bluegrey
#85A3B2
ΔE00 9.11
Dirty Blue
#3F829D
ΔE00 10.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#509FB4 #B46550
analogous
#50B497 #509FB4 #506DB4
triadic
#509FB4 #B4509F #9FB450
tetradic
#509FB4 #9750B4 #B46550 #6DB450
square
#509FB4 #9750B4 #B46550 #6DB450
split-complementary
#509FB4 #B4506D #B49750
monochromatic
#295560 #3C7A8B #509FB4 #7BB7C6 #A6CED9
Accessibility & contrast
On white
3.02
#509FB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.96
#509FB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #509FB4
6.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##509FB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##509FB4 | 1.00 | 3.02 | 6.96 | 6.96 |
| #FFFFFF | 3.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#919BB5
Deuteranopia (green-blind)
#8290B4
Tritanopia (blue-blind)
#00A6A5
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #509fb4; /* rgb */ color: rgb(80, 159, 180); /* oklch */ color: oklch(66.1% 0.083 217.5);
Tailwind
colors: {
custom: {
50: '#89bbca',
500: '#509fb4',
950: '#000000',
},
}SCSS
$custom: #509fb4; $custom-light: #89bbca; $custom-dark: #000000;
JSON
{
"hex": "#509fb4",
"rgb": {
"r": 80,
"g": 159,
"b": 180
},
"hsl": {
"h": 192.6,
"s": 40,
"l": 50.98
},
"oklch": {
"l": 0.66072,
"c": 0.08326,
"h": 217.5
},
"luminance": 0.29797
}Semantic roles & 50–950 ramp
primary
#509FB4
secondary
#C6A39A
accent
#7158D0
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1213
muted
#7D8182