#519BBF#519BBF
#519BBF is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.6% C 0.091 H 231.5°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).
Color values
| HEX | #519BBF |
|---|---|
| RGB | rgb(81, 155, 191) |
| HSL | hsl(200, 46%, 53%) |
| HSV | hsv(200, 58%, 75%) |
| CMYK | cmyk(57.6%, 18.8%, 0%, 25.1%) |
| CIE-LAB | lab(60.74, -12.50, -25.59) |
| CIE-LCH | lch(60.74, 28.47, 243.97°) |
| OKLab | oklab(65.63% -0.0567 -0.0713) |
| OKLCH | oklch(65.63% 0.091 231.5) |
| XYZ | xyz(24.5151, 28.9513, 53.5764) |
| Luminance | 0.2895 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 6.11
Dusty Blue
#5A86AD
ΔE00 8.53
Azure (survey)
#069AF3
ΔE00 8.82
Bluegrey
#85A3B2
ΔE00 8.92
Dirty Blue
#3F829D
ΔE00 9.19
Faded Blue
#658CBB
ΔE00 9.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#519BBF #BF7551
analogous
#51BFAC #519BBF #5164BF
triadic
#519BBF #BF519B #9BBF51
tetradic
#519BBF #AC51BF #BF7551 #64BF51
square
#519BBF #AC51BF #BF7551 #64BF51
split-complementary
#519BBF #BF5164 #BFAC51
monochromatic
#28576D #397A9A #519BBF #7EB5CF #AACEE0
Accessibility & contrast
On white
3.09
#519BBF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.79
#519BBF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #519BBF
6.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##519BBF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##519BBF | 1.00 | 3.09 | 6.79 | 6.79 |
| #FFFFFF | 3.09 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8999C1
Deuteranopia (green-blind)
#7A8DBE
Tritanopia (blue-blind)
#00A5A7
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #519bbf; /* rgb */ color: rgb(81, 155, 191); /* oklch */ color: oklch(65.6% 0.091 231.5);
Tailwind
colors: {
custom: {
50: '#8bb8d2',
500: '#519bbf',
950: '#000000',
},
}SCSS
$custom: #519bbf; $custom-light: #8bb8d2; $custom-dark: #000000;
JSON
{
"hex": "#519bbf",
"rgb": {
"r": 81,
"g": 155,
"b": 191
},
"hsl": {
"h": 199.636,
"s": 46.218,
"l": 53.333
},
"oklch": {
"l": 0.65629,
"c": 0.09112,
"h": 231.5
},
"luminance": 0.28954
}Semantic roles & 50–950 ramp
primary
#519BBF
secondary
#CEAE9E
accent
#7D52D6
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0D1114
muted
#7D8082