#509FBC#509FBC
#509FBC is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.4% C 0.088 H 224.6°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).
Color values
| HEX | #509FBC |
|---|---|
| RGB | rgb(80, 159, 188) |
| HSL | hsl(196, 45%, 53%) |
| HSV | hsv(196, 57%, 74%) |
| CMYK | cmyk(57.4%, 15.4%, 0%, 26.3%) |
| CIE-LAB | lab(61.77, -15.78, -22.33) |
| CIE-LCH | lch(61.77, 27.34, 234.74°) |
| OKLab | oklab(66.4% -0.063 -0.0621) |
| OKLCH | oklch(66.4% 0.088 224.6) |
| XYZ | xyz(24.7800, 30.1303, 52.0770) |
| Luminance | 0.3013 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.62
Bluegrey
#85A3B2
ΔE00 8.57
Turquoise Blue
#06B1C4
ΔE00 8.72
Teal Blue
#01889F
ΔE00 9.86
Dirty Blue
#3F829D
ΔE00 9.92
Cadetblue
#5F9EA0
ΔE00 10.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#509FBC #BC6D50
analogous
#50BCA3 #509FBC #5069BC
triadic
#509FBC #BC509F #9FBC50
tetradic
#509FBC #A350BC #BC6D50 #69BC50
square
#509FBC #A350BC #BC6D50 #69BC50
split-complementary
#509FBC #BC5069 #BCA350
monochromatic
#285869 #397D96 #509FBC #7CB7CD #A9D0DE
Accessibility & contrast
On white
2.99
#509FBC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.03
#509FBC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #509FBC
7.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##509FBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##509FBC | 1.00 | 2.99 | 7.03 | 7.03 |
| #FFFFFF | 2.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.03 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.03 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8F9CBE
Deuteranopia (green-blind)
#7F90BC
Tritanopia (blue-blind)
#00A8A8
Achromatopsia (no color)
#959595
Design tokens & code
CSS
--color: #509fbc; /* rgb */ color: rgb(80, 159, 188); /* oklch */ color: oklch(66.4% 0.088 224.6);
Tailwind
colors: {
custom: {
50: '#8abbd0',
500: '#509fbc',
950: '#000000',
},
}SCSS
$custom: #509fbc; $custom-light: #8abbd0; $custom-dark: #000000;
JSON
{
"hex": "#509fbc",
"rgb": {
"r": 80,
"g": 159,
"b": 188
},
"hsl": {
"h": 196.111,
"s": 44.628,
"l": 52.549
},
"oklch": {
"l": 0.66399,
"c": 0.08843,
"h": 224.6
},
"luminance": 0.30133
}Semantic roles & 50–950 ramp
primary
#509FBC
secondary
#CBA99C
accent
#7653D4
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0D1114
muted
#7D8082