#509BBD#509BBD
#509BBD is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.5% C 0.090 H 229.8°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).
Color values
| HEX | #509BBD |
|---|---|
| RGB | rgb(80, 155, 189) |
| HSL | hsl(199, 45%, 53%) |
| HSV | hsv(199, 58%, 74%) |
| CMYK | cmyk(57.7%, 18%, 0%, 25.9%) |
| CIE-LAB | lab(60.62, -13.31, -24.64) |
| CIE-LCH | lch(60.62, 28.01, 241.62°) |
| OKLab | oklab(65.5% -0.0581 -0.0687) |
| OKLCH | oklch(65.5% 0.09 229.8) |
| XYZ | xyz(24.2114, 28.8200, 52.4211) |
| Luminance | 0.2882 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.96
Bluegrey
#85A3B2
ΔE00 8.83
Dusty Blue
#5A86AD
ΔE00 8.87
Dirty Blue
#3F829D
ΔE00 8.97
Blue Grey
#758DA3
ΔE00 9.51
Off Blue
#5684AE
ΔE00 9.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#509BBD #BD7250
analogous
#50BDA9 #509BBD #5064BD
triadic
#509BBD #BD509B #9BBD50
tetradic
#509BBD #A950BD #BD7250 #64BD50
square
#509BBD #A950BD #BD7250 #64BD50
split-complementary
#509BBD #BD5064 #BDA950
monochromatic
#28566A #397A97 #509BBD #7CB4CE #A9CEDF
Accessibility & contrast
On white
3.10
#509BBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.76
#509BBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #509BBD
6.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##509BBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##509BBD | 1.00 | 3.10 | 6.76 | 6.76 |
| #FFFFFF | 3.10 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.76 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.76 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8A99BF
Deuteranopia (green-blind)
#7A8DBD
Tritanopia (blue-blind)
#00A5A6
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #509bbd; /* rgb */ color: rgb(80, 155, 189); /* oklch */ color: oklch(65.5% 0.090 229.8);
Tailwind
colors: {
custom: {
50: '#8ab8d1',
500: '#509bbd',
950: '#000000',
},
}SCSS
$custom: #509bbd; $custom-light: #8ab8d1; $custom-dark: #000000;
JSON
{
"hex": "#509bbd",
"rgb": {
"r": 80,
"g": 155,
"b": 189
},
"hsl": {
"h": 198.716,
"s": 45.228,
"l": 52.745
},
"oklch": {
"l": 0.655,
"c": 0.08997,
"h": 229.8
},
"luminance": 0.28822
}Semantic roles & 50–950 ramp
primary
#509BBD
secondary
#CCAC9D
accent
#7B53D5
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082