#509BBC#509BBC
#509BBC is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.5% C 0.089 H 229.0°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).
Color values
| HEX | #509BBC |
|---|---|
| RGB | rgb(80, 155, 188) |
| HSL | hsl(198, 45%, 53%) |
| HSV | hsv(198, 57%, 74%) |
| CMYK | cmyk(57.4%, 17.6%, 0%, 26.3%) |
| CIE-LAB | lab(60.58, -13.62, -24.14) |
| CIE-LCH | lch(60.58, 27.72, 240.56°) |
| OKLab | oklab(65.46% -0.0585 -0.0672) |
| OKLCH | oklch(65.46% 0.089 229) |
| XYZ | xyz(24.1032, 28.7768, 51.8515) |
| Luminance | 0.2878 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.87
Bluegrey
#85A3B2
ΔE00 8.77
Dirty Blue
#3F829D
ΔE00 8.89
Dusty Blue
#5A86AD
ΔE00 9.03
Blue Grey
#758DA3
ΔE00 9.57
Off Blue
#5684AE
ΔE00 9.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#509BBC #BC7150
analogous
#50BCA7 #509BBC #5065BC
triadic
#509BBC #BC509B #9BBC50
tetradic
#509BBC #A750BC #BC7150 #65BC50
square
#509BBC #A750BC #BC7150 #65BC50
split-complementary
#509BBC #BC5065 #BCA750
monochromatic
#285569 #397996 #509BBC #7CB4CD #A9CEDE
Accessibility & contrast
On white
3.11
#509BBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.76
#509BBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #509BBC
6.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##509BBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##509BBC | 1.00 | 3.11 | 6.76 | 6.76 |
| #FFFFFF | 3.11 | 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)
#8A99BE
Deuteranopia (green-blind)
#7B8DBC
Tritanopia (blue-blind)
#00A4A6
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #509bbc; /* rgb */ color: rgb(80, 155, 188); /* oklch */ color: oklch(65.5% 0.089 229.0);
Tailwind
colors: {
custom: {
50: '#8ab8d0',
500: '#509bbc',
950: '#000000',
},
}SCSS
$custom: #509bbc; $custom-light: #8ab8d0; $custom-dark: #000000;
JSON
{
"hex": "#509bbc",
"rgb": {
"r": 80,
"g": 155,
"b": 188
},
"hsl": {
"h": 198.333,
"s": 44.628,
"l": 52.549
},
"oklch": {
"l": 0.65457,
"c": 0.08913,
"h": 229
},
"luminance": 0.28779
}Semantic roles & 50–950 ramp
primary
#509BBC
secondary
#CBAB9C
accent
#7B53D4
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082