#579BB2#579BB2
#579BB2 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.3% C 0.077 H 222.1°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).
Color values
| HEX | #579BB2 |
|---|---|
| RGB | rgb(87, 155, 178) |
| HSL | hsl(195, 37%, 52%) |
| HSV | hsv(195, 51%, 70%) |
| CMYK | cmyk(51.1%, 12.9%, 0%, 30.2%) |
| CIE-LAB | lab(60.50, -15.10, -18.61) |
| CIE-LCH | lch(60.50, 23.96, 230.94°) |
| OKLab | oklab(65.35% -0.0571 -0.0515) |
| OKLCH | oklch(65.35% 0.077 222.1) |
| XYZ | xyz(23.6847, 28.6813, 46.3988) |
| Luminance | 0.2868 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.24
Bluegrey
#85A3B2
ΔE00 8.04
Cadetblue
#5F9EA0
ΔE00 8.46
Teal Blue
#01889F
ΔE00 8.88
Dirty Blue
#3F829D
ΔE00 8.92
Turquoise Blue
#06B1C4
ΔE00 9.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#579BB2 #B26E57
analogous
#57B29C #579BB2 #576EB2
triadic
#579BB2 #B2579B #9BB257
tetradic
#579BB2 #9C57B2 #B26E57 #6EB257
square
#579BB2 #9C57B2 #B26E57 #6EB257
split-complementary
#579BB2 #B2576E #B29C57
monochromatic
#2D5462 #40798C #579BB2 #81B4C5 #ABCDD8
Accessibility & contrast
On white
3.12
#579BB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.74
#579BB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #579BB2
6.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##579BB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##579BB2 | 1.00 | 3.12 | 6.74 | 6.74 |
| #FFFFFF | 3.12 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.74 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.74 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8D98B3
Deuteranopia (green-blind)
#808DB2
Tritanopia (blue-blind)
#21A2A2
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #579bb2; /* rgb */ color: rgb(87, 155, 178); /* oklch */ color: oklch(65.3% 0.077 222.1);
Tailwind
colors: {
custom: {
50: '#8db8c9',
500: '#579bb2',
950: '#000000',
},
}SCSS
$custom: #579bb2; $custom-light: #8db8c9; $custom-dark: #000000;
JSON
{
"hex": "#579bb2",
"rgb": {
"r": 87,
"g": 155,
"b": 178
},
"hsl": {
"h": 195.165,
"s": 37.143,
"l": 51.961
},
"oklch": {
"l": 0.65345,
"c": 0.0769,
"h": 222.1
},
"luminance": 0.28683
}Semantic roles & 50–950 ramp
primary
#579BB2
secondary
#C6A99E
accent
#785BCD
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0D1113
muted
#7D8082