#509BB5#509BB5
#509BB5 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.2% C 0.084 H 223.1°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).
Color values
| HEX | #509BB5 |
|---|---|
| RGB | rgb(80, 155, 181) |
| HSL | hsl(195, 41%, 51%) |
| HSV | hsv(195, 56%, 71%) |
| CMYK | cmyk(55.8%, 14.4%, 0%, 29%) |
| CIE-LAB | lab(60.32, -15.75, -20.60) |
| CIE-LCH | lch(60.32, 25.93, 232.60°) |
| OKLab | oklab(65.16% -0.0612 -0.0572) |
| OKLCH | oklch(65.16% 0.084 223.1) |
| XYZ | xyz(23.3669, 28.4822, 47.9733) |
| Luminance | 0.2848 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.83
Teal Blue
#01889F
ΔE00 8.61
Bluegrey
#85A3B2
ΔE00 8.72
Dirty Blue
#3F829D
ΔE00 8.72
Turquoise Blue
#06B1C4
ΔE00 9.08
Cadetblue
#5F9EA0
ΔE00 9.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#509BB5 #B56A50
analogous
#50B59C #509BB5 #5068B5
triadic
#509BB5 #B5509B #9BB550
tetradic
#509BB5 #9C50B5 #B56A50 #68B550
square
#509BB5 #9C50B5 #B56A50 #68B550
split-complementary
#509BB5 #B55068 #B59C50
monochromatic
#295361 #3B788C #509BB5 #7BB4C7 #A6CCD9
Accessibility & contrast
On white
3.14
#509BB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.70
#509BB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #509BB5
6.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##509BB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##509BB5 | 1.00 | 3.14 | 6.70 | 6.70 |
| #FFFFFF | 3.14 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.70 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.70 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8C98B6
Deuteranopia (green-blind)
#7D8DB5
Tritanopia (blue-blind)
#00A3A3
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #509bb5; /* rgb */ color: rgb(80, 155, 181); /* oklch */ color: oklch(65.2% 0.084 223.1);
Tailwind
colors: {
custom: {
50: '#89b8cb',
500: '#509bb5',
950: '#000000',
},
}SCSS
$custom: #509bb5; $custom-light: #89b8cb; $custom-dark: #000000;
JSON
{
"hex": "#509bb5",
"rgb": {
"r": 80,
"g": 155,
"b": 181
},
"hsl": {
"h": 195.446,
"s": 40.562,
"l": 51.176
},
"oklch": {
"l": 0.65161,
"c": 0.08373,
"h": 223.1
},
"luminance": 0.28484
}Semantic roles & 50–950 ramp
primary
#509BB5
secondary
#C7A69A
accent
#7757D0
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1113
muted
#7D8082