#539DB2#539DB2
#539DB2 is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.6% C 0.080 H 218.6°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).
Color values
| HEX | #539DB2 |
|---|---|
| RGB | rgb(83, 157, 178) |
| HSL | hsl(193, 38%, 51%) |
| HSV | hsv(193, 53%, 70%) |
| CMYK | cmyk(53.4%, 11.8%, 0%, 30.2%) |
| CIE-LAB | lab(60.93, -17.07, -17.97) |
| CIE-LCH | lch(60.93, 24.78, 226.48°) |
| OKLab | oklab(65.64% -0.0624 -0.0498) |
| OKLCH | oklch(65.64% 0.08 218.6) |
| XYZ | xyz(23.6570, 29.1652, 46.4936) |
| Luminance | 0.2917 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 6.06
Cadetblue
#5F9EA0
ΔE00 7.39
Turquoise Blue
#06B1C4
ΔE00 7.89
Bluegrey
#85A3B2
ΔE00 8.73
Teal Blue
#01889F
ΔE00 8.79
Dirty Blue
#3F829D
ΔE00 9.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#539DB2 #B26853
analogous
#53B297 #539DB2 #536DB2
triadic
#539DB2 #B2539D #9DB253
tetradic
#539DB2 #9753B2 #B26853 #6DB253
square
#539DB2 #9753B2 #B26853 #6DB253
split-complementary
#539DB2 #B2536D #B29753
monochromatic
#2B5460 #3E798A #539DB2 #7DB5C5 #A8CDD8
Accessibility & contrast
On white
3.07
#539DB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.83
#539DB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #539DB2
6.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##539DB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##539DB2 | 1.00 | 3.07 | 6.83 | 6.83 |
| #FFFFFF | 3.07 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.83 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.83 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9099B3
Deuteranopia (green-blind)
#818EB2
Tritanopia (blue-blind)
#0AA4A4
Achromatopsia (no color)
#939393
Design tokens & code
CSS
--color: #539db2; /* rgb */ color: rgb(83, 157, 178); /* oklch */ color: oklch(65.6% 0.080 218.6);
Tailwind
colors: {
custom: {
50: '#8bbac9',
500: '#539db2',
950: '#000000',
},
}SCSS
$custom: #539db2; $custom-light: #8bbac9; $custom-dark: #000000;
JSON
{
"hex": "#539db2",
"rgb": {
"r": 83,
"g": 157,
"b": 178
},
"hsl": {
"h": 193.263,
"s": 38.153,
"l": 51.176
},
"oklch": {
"l": 0.65641,
"c": 0.07986,
"h": 218.6
},
"luminance": 0.29167
}Semantic roles & 50–950 ramp
primary
#539DB2
secondary
#C5A59B
accent
#735ACE
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1113
muted
#7D8082