#519BB0#519BB0
#519BB0 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.0% C 0.080 H 218.6°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).
Color values
| HEX | #519BB0 |
|---|---|
| RGB | rgb(81, 155, 176) |
| HSL | hsl(193, 38%, 50%) |
| HSV | hsv(193, 54%, 69%) |
| CMYK | cmyk(54%, 11.9%, 0%, 31%) |
| CIE-LAB | lab(60.18, -17.02, -17.99) |
| CIE-LCH | lch(60.18, 24.76, 226.58°) |
| OKLab | oklab(65% -0.0624 -0.0498) |
| OKLCH | oklch(65% 0.08 218.6) |
| XYZ | xyz(22.9481, 28.3246, 45.3237) |
| Luminance | 0.2833 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 6.34
Cadetblue
#5F9EA0
ΔE00 7.46
Teal Blue
#01889F
ΔE00 8.19
Turquoise Blue
#06B1C4
ΔE00 8.28
Bluegrey
#85A3B2
ΔE00 9.00
Dirty Blue
#3F829D
ΔE00 9.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#519BB0 #B06651
analogous
#51B095 #519BB0 #516CB0
triadic
#519BB0 #B0519B #9BB051
tetradic
#519BB0 #9551B0 #B06651 #6CB051
square
#519BB0 #9551B0 #B06651 #6CB051
split-complementary
#519BB0 #B0516C #B09551
monochromatic
#2A515D #3D7687 #519BB0 #7BB3C3 #A5CBD6
Accessibility & contrast
On white
3.15
#519BB0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.67
#519BB0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #519BB0
6.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##519BB0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##519BB0 | 1.00 | 3.15 | 6.67 | 6.67 |
| #FFFFFF | 3.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.67 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.67 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8E97B1
Deuteranopia (green-blind)
#7F8CB0
Tritanopia (blue-blind)
#02A2A2
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #519bb0; /* rgb */ color: rgb(81, 155, 176); /* oklch */ color: oklch(65.0% 0.080 218.6);
Tailwind
colors: {
custom: {
50: '#89b8c7',
500: '#519bb0',
950: '#000000',
},
}SCSS
$custom: #519bb0; $custom-light: #89b8c7; $custom-dark: #000000;
JSON
{
"hex": "#519bb0",
"rgb": {
"r": 81,
"g": 155,
"b": 176
},
"hsl": {
"h": 193.263,
"s": 37.549,
"l": 50.392
},
"oklch": {
"l": 0.64999,
"c": 0.07985,
"h": 218.6
},
"luminance": 0.28327
}Semantic roles & 50–950 ramp
primary
#519BB0
secondary
#C4A399
accent
#745ACE
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1113
muted
#7D8082