#509CB2#509CB2
#509CB2 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.3% C 0.082 H 219.1°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).
Color values
| HEX | #509CB2 |
|---|---|
| RGB | rgb(80, 156, 178) |
| HSL | hsl(193, 39%, 51%) |
| HSV | hsv(193, 55%, 70%) |
| CMYK | cmyk(55.1%, 12.4%, 0%, 30.2%) |
| CIE-LAB | lab(60.51, -17.18, -18.62) |
| CIE-LCH | lch(60.51, 25.33, 227.30°) |
| OKLab | oklab(65.28% -0.0635 -0.0516) |
| OKLCH | oklch(65.28% 0.082 219.1) |
| XYZ | xyz(23.2295, 28.6946, 46.4253) |
| Luminance | 0.2870 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 6.27
Cadetblue
#5F9EA0
ΔE00 7.72
Turquoise Blue
#06B1C4
ΔE00 8.08
Teal Blue
#01889F
ΔE00 8.41
Bluegrey
#85A3B2
ΔE00 8.99
Dirty Blue
#3F829D
ΔE00 9.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#509CB2 #B26650
analogous
#50B297 #509CB2 #506BB2
triadic
#509CB2 #B2509C #9CB250
tetradic
#509CB2 #9750B2 #B26650 #6BB250
square
#509CB2 #9750B2 #B26650 #6BB250
split-complementary
#509CB2 #B2506B #B29750
monochromatic
#29525E #3C7789 #509CB2 #7AB4C5 #A5CCD7
Accessibility & contrast
On white
3.12
#509CB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.74
#509CB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #509CB2
6.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##509CB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##509CB2 | 1.00 | 3.12 | 6.74 | 6.74 |
| #FFFFFF | 3.12 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.74 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.74 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8E98B3
Deuteranopia (green-blind)
#808DB2
Tritanopia (blue-blind)
#00A4A3
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #509cb2; /* rgb */ color: rgb(80, 156, 178); /* oklch */ color: oklch(65.3% 0.082 219.1);
Tailwind
colors: {
custom: {
50: '#89b9c9',
500: '#509cb2',
950: '#000000',
},
}SCSS
$custom: #509cb2; $custom-light: #89b9c9; $custom-dark: #000000;
JSON
{
"hex": "#509cb2",
"rgb": {
"r": 80,
"g": 156,
"b": 178
},
"hsl": {
"h": 193.469,
"s": 38.889,
"l": 50.588
},
"oklch": {
"l": 0.65276,
"c": 0.0818,
"h": 219.1
},
"luminance": 0.28697
}Semantic roles & 50–950 ramp
primary
#509CB2
secondary
#C5A399
accent
#7359CF
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1113
muted
#7D8082