#509FB8#509FB8
#509FB8 is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.2% C 0.086 H 221.1°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #509FB8 |
|---|---|
| RGB | rgb(80, 159, 184) |
| HSL | hsl(194, 42%, 52%) |
| HSV | hsv(194, 57%, 72%) |
| CMYK | cmyk(56.5%, 13.6%, 0%, 27.8%) |
| CIE-LAB | lab(61.62, -16.99, -20.31) |
| CIE-LCH | lch(61.62, 26.48, 230.08°) |
| OKLab | oklab(66.23% -0.0645 -0.0564) |
| OKLCH | oklch(66.23% 0.086 221.1) |
| XYZ | xyz(24.3548, 29.9602, 49.8375) |
| Luminance | 0.2996 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.87
Turquoise Blue
#06B1C4
ΔE00 7.84
Cadetblue
#5F9EA0
ΔE00 8.65
Bluegrey
#85A3B2
ΔE00 8.72
Teal Blue
#01889F
ΔE00 9.36
Dirty Blue
#3F829D
ΔE00 10.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#509FB8 #B86950
analogous
#50B89D #509FB8 #506BB8
triadic
#509FB8 #B8509F #9FB850
tetradic
#509FB8 #9D50B8 #B86950 #6BB850
square
#509FB8 #9D50B8 #B86950 #6BB850
split-complementary
#509FB8 #B8506B #B89D50
monochromatic
#295665 #3B7C90 #509FB8 #7CB7CA #A7CFDB
Accessibility & contrast
On white
3.00
#509FB8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.99
#509FB8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #509FB8
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##509FB8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##509FB8 | 1.00 | 3.00 | 6.99 | 6.99 |
| #FFFFFF | 3.00 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#909BB9
Deuteranopia (green-blind)
#8190B8
Tritanopia (blue-blind)
#00A7A7
Achromatopsia (no color)
#959595
Design tokens & code
CSS
--color: #509fb8; /* rgb */ color: rgb(80, 159, 184); /* oklch */ color: oklch(66.2% 0.086 221.1);
Tailwind
colors: {
custom: {
50: '#8abbcd',
500: '#509fb8',
950: '#000000',
},
}SCSS
$custom: #509fb8; $custom-light: #8abbcd; $custom-dark: #000000;
JSON
{
"hex": "#509fb8",
"rgb": {
"r": 80,
"g": 159,
"b": 184
},
"hsl": {
"h": 194.423,
"s": 42.276,
"l": 51.765
},
"oklch": {
"l": 0.66234,
"c": 0.08568,
"h": 221.1
},
"luminance": 0.29962
}Semantic roles & 50–950 ramp
primary
#509FB8
secondary
#C9A69B
accent
#7456D2
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1213
muted
#7D8182