#516CA1#516CA1
#516CA1 is a mid, moderate blue. Relative luminance 0.150; OKLCH L 53.4% C 0.090 H 263.1°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).
Color values
| HEX | #516CA1 |
|---|---|
| RGB | rgb(81, 108, 161) |
| HSL | hsl(220, 33%, 47%) |
| HSV | hsv(220, 50%, 63%) |
| CMYK | cmyk(49.7%, 32.9%, 0%, 36.9%) |
| CIE-LAB | lab(45.70, 5.38, -31.68) |
| CIE-LCH | lch(45.70, 32.14, 279.63°) |
| OKLab | oklab(53.35% -0.0108 -0.0891) |
| OKLCH | oklch(53.35% 0.09 263.1) |
| XYZ | xyz(15.1868, 15.0467, 35.8153) |
| Luminance | 0.1505 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 2.97
Dusky Blue
#475F94
ΔE00 4.74
Cadet Blue
#4E7496
ΔE00 5.74
Dull Blue
#49759C
ΔE00 5.92
Denim (survey)
#3B638C
ΔE00 5.92
Flat Blue
#3C73A8
ΔE00 5.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#516CA1 #A18651
analogous
#5194A1 #516CA1 #5E51A1
triadic
#516CA1 #A1516C #6CA151
tetradic
#516CA1 #A15194 #A18651 #51A15E
square
#516CA1 #A15194 #A18651 #51A15E
split-complementary
#516CA1 #A15E51 #94A151
monochromatic
#283550 #3D5178 #516CA1 #758CBA #9EAECE
Accessibility & contrast
On white
5.24
#516CA1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.01
#516CA1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #516CA1
5.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##516CA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##516CA1 | 1.00 | 5.24 | 4.01 | 5.24 |
| #FFFFFF | 5.24 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.24 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5870A3
Deuteranopia (green-blind)
#4F69A0
Tritanopia (blue-blind)
#2F777F
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #516ca1; /* rgb */ color: rgb(81, 108, 161); /* oklch */ color: oklch(53.4% 0.090 263.1);
Tailwind
colors: {
custom: {
50: '#8695bd',
500: '#516ca1',
950: '#000000',
},
}SCSS
$custom: #516ca1; $custom-light: #8695bd; $custom-dark: #000000;
JSON
{
"hex": "#516ca1",
"rgb": {
"r": 81,
"g": 108,
"b": 161
},
"hsl": {
"h": 219.75,
"s": 33.058,
"l": 47.451
},
"oklch": {
"l": 0.53354,
"c": 0.08971,
"h": 263.1
},
"luminance": 0.15048
}Semantic roles & 50–950 ramp
primary
#516CA1
secondary
#BBAE93
accent
#A55FC9
background
#F8F9FB
surface
#F0F1F6
border
#CBCBD0
text
#0B0D12
muted
#7C7E81