#517FBE#517FBE
#517FBE is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 59.2% C 0.110 H 256.6°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).
Color values
| HEX | #517FBE |
|---|---|
| RGB | rgb(81, 127, 190) |
| HSL | hsl(215, 46%, 53%) |
| HSV | hsv(215, 57%, 75%) |
| CMYK | cmyk(57.4%, 33.2%, 0%, 25.5%) |
| CIE-LAB | lab(52.56, 3.24, -37.75) |
| CIE-LCH | lch(52.56, 37.89, 274.90°) |
| OKLab | oklab(59.16% -0.0255 -0.1066) |
| OKLCH | oklch(59.16% 0.11 256.6) |
| XYZ | xyz(20.2737, 20.6441, 51.6215) |
| Luminance | 0.2065 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Off Blue
#5684AE
ΔE00 3.52
Cool Blue
#4984B8
ΔE00 3.63
Windows Blue
#3778BF
ΔE00 3.79
Steel Blue
#4682B4
ΔE00 3.93
Dusty Blue
#5A86AD
ΔE00 4.23
Faded Blue
#658CBB
ΔE00 4.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#517FBE #BE9051
analogous
#51B5BE #517FBE #5951BE
triadic
#517FBE #BE517F #7FBE51
tetradic
#517FBE #BE51B5 #BE9051 #51BE59
square
#517FBE #BE51B5 #BE9051 #51BE59
split-complementary
#517FBE #BE5951 #B5BE51
monochromatic
#28456C #396199 #517FBE #7EA0CF #AAC1DF
Accessibility & contrast
On white
4.09
#517FBE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.13
#517FBE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #517FBE
5.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##517FBE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##517FBE | 1.00 | 4.09 | 5.13 | 5.13 |
| #FFFFFF | 4.09 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.13 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.13 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6583C1
Deuteranopia (green-blind)
#5779BD
Tritanopia (blue-blind)
#008D96
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #517fbe; /* rgb */ color: rgb(81, 127, 190); /* oklch */ color: oklch(59.2% 0.110 256.6);
Tailwind
colors: {
custom: {
50: '#8aa3d2',
500: '#517fbe',
950: '#000000',
},
}SCSS
$custom: #517fbe; $custom-light: #8aa3d2; $custom-dark: #000000;
JSON
{
"hex": "#517fbe",
"rgb": {
"r": 81,
"g": 127,
"b": 190
},
"hsl": {
"h": 214.679,
"s": 45.607,
"l": 53.137
},
"oklch": {
"l": 0.59162,
"c": 0.10956,
"h": 256.6
},
"luminance": 0.20646
}Semantic roles & 50–950 ramp
primary
#517FBE
secondary
#CDB99E
accent
#9E53D5
background
#F8FAFC
surface
#F0F3F9
border
#CBCDD2
text
#0C0F14
muted
#7D7F82