#516FA0#516FA0
#516FA0 is a mid, moderate blue. Relative luminance 0.157; OKLCH L 54.0% C 0.085 H 259.9°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).
Color values
| HEX | #516FA0 |
|---|---|
| RGB | rgb(81, 111, 160) |
| HSL | hsl(217, 33%, 47%) |
| HSV | hsv(217, 49%, 63%) |
| CMYK | cmyk(49.4%, 30.6%, 0%, 37.3%) |
| CIE-LAB | lab(46.52, 3.23, -29.81) |
| CIE-LCH | lch(46.52, 29.98, 276.18°) |
| OKLab | oklab(53.98% -0.0149 -0.0836) |
| OKLCH | oklch(53.98% 0.085 259.9) |
| XYZ | xyz(15.4208, 15.6552, 35.4601) |
| Luminance | 0.1566 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 2.92
Cadet Blue
#4E7496
ΔE00 4.69
Dull Blue
#49759C
ΔE00 4.76
Flat Blue
#3C73A8
ΔE00 4.93
Muted Blue
#3B719F
ΔE00 5.30
Medium Blue
#2C6FBB
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#516FA0 #A08251
analogous
#5197A0 #516FA0 #5B51A0
triadic
#516FA0 #A0516F #6FA051
tetradic
#516FA0 #A05197 #A08251 #51A05B
square
#516FA0 #A05197 #A08251 #51A05B
split-complementary
#516FA0 #A05B51 #97A051
monochromatic
#28374F #3C5377 #516FA0 #758FB9 #9EB0CE
Accessibility & contrast
On white
5.08
#516FA0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.13
#516FA0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #516FA0
5.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##516FA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##516FA0 | 1.00 | 5.08 | 4.13 | 5.08 |
| #FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C72A2
Deuteranopia (green-blind)
#536B9F
Tritanopia (blue-blind)
#2F7A80
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #516fa0; /* rgb */ color: rgb(81, 111, 160); /* oklch */ color: oklch(54.0% 0.085 259.9);
Tailwind
colors: {
custom: {
50: '#8698bc',
500: '#516fa0',
950: '#000000',
},
}SCSS
$custom: #516fa0; $custom-light: #8698bc; $custom-dark: #000000;
JSON
{
"hex": "#516fa0",
"rgb": {
"r": 81,
"g": 111,
"b": 160
},
"hsl": {
"h": 217.215,
"s": 32.78,
"l": 47.255
},
"oklch": {
"l": 0.53978,
"c": 0.08493,
"h": 259.9
},
"luminance": 0.15656
}Semantic roles & 50–950 ramp
primary
#516FA0
secondary
#BBAB92
accent
#A15FC9
background
#F8F9FB
surface
#F0F2F6
border
#CBCCD0
text
#0B0D12
muted
#7C7E81