#517ABA#517ABA
#517ABA is a mid, moderate blue. Relative luminance 0.192; OKLCH L 57.8% C 0.109 H 259.0°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).
Color values
| HEX | #517ABA |
|---|---|
| RGB | rgb(81, 122, 186) |
| HSL | hsl(217, 43%, 52%) |
| HSV | hsv(217, 56%, 73%) |
| CMYK | cmyk(56.5%, 34.4%, 0%, 27.1%) |
| CIE-LAB | lab(50.93, 4.93, -38.01) |
| CIE-LCH | lch(50.93, 38.33, 277.39°) |
| OKLab | oklab(57.83% -0.0209 -0.1073) |
| OKLCH | oklch(57.83% 0.109 259) |
| XYZ | xyz(19.2127, 19.2120, 49.1407) |
| Luminance | 0.1921 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.65
Off Blue
#5684AE
ΔE00 4.79
Flat Blue
#3C73A8
ΔE00 5.00
Cool Blue
#4984B8
ΔE00 5.19
Cornflower Blue
#5170D7
ΔE00 5.19
Steel Blue
#4682B4
ΔE00 5.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#517ABA #BA9151
analogous
#51AFBA #517ABA #5C51BA
triadic
#517ABA #BA517A #7ABA51
tetradic
#517ABA #BA51AF #BA9151 #51BA5C
square
#517ABA #BA51AF #BA9151 #51BA5C
split-complementary
#517ABA #BA5C51 #AFBA51
monochromatic
#294168 #3A5D93 #517ABA #7D9BCB #A9BDDD
Accessibility & contrast
On white
4.34
#517ABA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.84
#517ABA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #517ABA
4.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##517ABA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##517ABA | 1.00 | 4.34 | 4.84 | 4.84 |
| #FFFFFF | 4.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.84 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.84 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#607FBD
Deuteranopia (green-blind)
#5375B9
Tritanopia (blue-blind)
#028891
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #517aba; /* rgb */ color: rgb(81, 122, 186); /* oklch */ color: oklch(57.8% 0.109 259.0);
Tailwind
colors: {
custom: {
50: '#89a0cf',
500: '#517aba',
950: '#000000',
},
}SCSS
$custom: #517aba; $custom-light: #89a0cf; $custom-dark: #000000;
JSON
{
"hex": "#517aba",
"rgb": {
"r": 81,
"g": 122,
"b": 186
},
"hsl": {
"h": 216.571,
"s": 43.21,
"l": 52.353
},
"oklch": {
"l": 0.57831,
"c": 0.10936,
"h": 259
},
"luminance": 0.19214
}Semantic roles & 50–950 ramp
primary
#517ABA
secondary
#CAB89D
accent
#A255D3
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82