#519BB4#519BB4
#519BB4 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.2% C 0.082 H 222.4°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).
Color values
| HEX | #519BB4 |
|---|---|
| RGB | rgb(81, 155, 180) |
| HSL | hsl(195, 40%, 51%) |
| HSV | hsv(195, 55%, 71%) |
| CMYK | cmyk(55%, 13.9%, 0%, 29.4%) |
| CIE-LAB | lab(60.32, -15.84, -20.03) |
| CIE-LCH | lch(60.32, 25.53, 231.66°) |
| OKLab | oklab(65.16% -0.0608 -0.0556) |
| OKLCH | oklch(65.16% 0.082 222.4) |
| XYZ | xyz(23.3497, 28.4852, 47.4389) |
| Luminance | 0.2849 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.80
Teal Blue
#01889F
ΔE00 8.57
Bluegrey
#85A3B2
ΔE00 8.65
Dirty Blue
#3F829D
ΔE00 8.76
Cadetblue
#5F9EA0
ΔE00 8.90
Turquoise Blue
#06B1C4
ΔE00 8.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#519BB4 #B46A51
analogous
#51B49B #519BB4 #5169B4
triadic
#519BB4 #B4519B #9BB451
tetradic
#519BB4 #9B51B4 #B46A51 #69B451
square
#519BB4 #9B51B4 #B46A51 #69B451
split-complementary
#519BB4 #B45169 #B49B51
monochromatic
#2A5361 #3C788C #519BB4 #7CB4C6 #A7CCD9
Accessibility & contrast
On white
3.14
#519BB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.70
#519BB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #519BB4
6.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##519BB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##519BB4 | 1.00 | 3.14 | 6.70 | 6.70 |
| #FFFFFF | 3.14 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.70 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.70 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8C98B5
Deuteranopia (green-blind)
#7E8DB4
Tritanopia (blue-blind)
#00A3A3
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #519bb4; /* rgb */ color: rgb(81, 155, 180); /* oklch */ color: oklch(65.2% 0.082 222.4);
Tailwind
colors: {
custom: {
50: '#8ab8ca',
500: '#519bb4',
950: '#000000',
},
}SCSS
$custom: #519bb4; $custom-light: #8ab8ca; $custom-dark: #000000;
JSON
{
"hex": "#519bb4",
"rgb": {
"r": 81,
"g": 155,
"b": 180
},
"hsl": {
"h": 195.152,
"s": 39.759,
"l": 51.176
},
"oklch": {
"l": 0.65162,
"c": 0.08238,
"h": 222.4
},
"luminance": 0.28487
}Semantic roles & 50–950 ramp
primary
#519BB4
secondary
#C6A69B
accent
#7658D0
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1113
muted
#7D8082