#517A91#517A91
#517A91 is a mid, muted cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.058 H 233.8°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #517A91 |
|---|---|
| RGB | rgb(81, 122, 145) |
| HSL | hsl(202, 28%, 44%) |
| HSV | hsv(202, 44%, 57%) |
| CMYK | cmyk(44.1%, 15.9%, 0%, 43.1%) |
| CIE-LAB | lab(49.14, -7.85, -16.93) |
| CIE-LCH | lch(49.14, 18.66, 245.13°) |
| OKLab | oklab(55.84% -0.0342 -0.0468) |
| OKLCH | oklch(55.84% 0.058 233.8) |
| XYZ | xyz(15.4619, 17.7117, 29.3865) |
| Luminance | 0.1771 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Metallic Blue
#4F738E
ΔE00 3.56
Stormy Blue
#507B9C
ΔE00 3.71
Steel Blue (survey)
#5A7D9A
ΔE00 3.89
Grey Blue
#647D8E
ΔE00 4.16
Slate Blue (survey)
#5B7C99
ΔE00 4.22
Greyish Blue
#5E819D
ΔE00 4.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#517A91 #916851
analogous
#519188 #517A91 #515A91
triadic
#517A91 #91517A #7A9151
tetradic
#517A91 #885191 #916851 #5A9151
square
#517A91 #885191 #916851 #5A9151
split-complementary
#517A91 #91515A #918851
monochromatic
#253842 #3B596A #517A91 #7098AF #97B5C5
Accessibility & contrast
On white
4.62
#517A91 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.54
#517A91 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #517A91
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##517A91 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##517A91 | 1.00 | 4.62 | 4.54 | 4.62 |
| #FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F7992
Deuteranopia (green-blind)
#667291
Tritanopia (blue-blind)
#378081
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #517a91; /* rgb */ color: rgb(81, 122, 145); /* oklch */ color: oklch(55.8% 0.058 233.8);
Tailwind
colors: {
custom: {
50: '#85a0b1',
500: '#517a91',
950: '#000000',
},
}SCSS
$custom: #517a91; $custom-light: #85a0b1; $custom-dark: #000000;
JSON
{
"hex": "#517a91",
"rgb": {
"r": 81,
"g": 122,
"b": 145
},
"hsl": {
"h": 201.563,
"s": 28.319,
"l": 44.314
},
"oklch": {
"l": 0.55836,
"c": 0.05797,
"h": 233.8
},
"luminance": 0.17713
}Semantic roles & 50–950 ramp
primary
#517A91
secondary
#B29A8C
accent
#8663C5
background
#F8F9FA
surface
#EFF2F5
border
#CACCCF
text
#0B0E10
muted
#7C7E7F