#516FC9#516FC9
#516FC9 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.4% C 0.143 H 267.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).
Color values
| HEX | #516FC9 |
|---|---|
| RGB | rgb(81, 111, 201) |
| HSL | hsl(225, 53%, 55%) |
| HSV | hsv(225, 60%, 79%) |
| CMYK | cmyk(59.7%, 44.8%, 0%, 21.2%) |
| CIE-LAB | lab(48.68, 16.70, -50.20) |
| CIE-LCH | lch(48.68, 52.91, 288.40°) |
| OKLab | oklab(56.35% -0.0056 -0.1431) |
| OKLCH | oklch(56.35% 0.143 267.8) |
| XYZ | xyz(19.6168, 17.3336, 57.5590) |
| Luminance | 0.1734 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.86
Royal Blue
#4169E1
ΔE00 3.57
French Blue
#436BAD
ΔE00 4.71
Cerulean Blue
#056EEE
ΔE00 5.71
Medium Blue
#2C6FBB
ΔE00 6.38
Bright Blue
#0165FC
ΔE00 6.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#516FC9 #C9AB51
analogous
#51ABC9 #516FC9 #6F51C9
triadic
#516FC9 #C9516F #6FC951
tetradic
#516FC9 #C951AB #C9AB51 #51C96F
square
#516FC9 #C951AB #C9AB51 #51C96F
split-complementary
#516FC9 #C96F51 #ABC951
monochromatic
#263B7A #3451A9 #516FC9 #8096D7 #AEBCE6
Accessibility & contrast
On white
4.70
#516FC9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.47
#516FC9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #516FC9
4.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##516FC9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##516FC9 | 1.00 | 4.70 | 4.47 | 4.70 |
| #FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4579CC
Deuteranopia (green-blind)
#346FC7
Tritanopia (blue-blind)
#008392
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #516fc9; /* rgb */ color: rgb(81, 111, 201); /* oklch */ color: oklch(56.4% 0.143 267.8);
Tailwind
colors: {
custom: {
50: '#8c97da',
500: '#516fc9',
950: '#000000',
},
}SCSS
$custom: #516fc9; $custom-light: #8c97da; $custom-dark: #000000;
JSON
{
"hex": "#516fc9",
"rgb": {
"r": 81,
"g": 111,
"b": 201
},
"hsl": {
"h": 225,
"s": 52.632,
"l": 55.294
},
"oklch": {
"l": 0.56351,
"c": 0.14326,
"h": 267.8
},
"luminance": 0.17335
}Semantic roles & 50–950 ramp
primary
#516FC9
secondary
#D4C7A2
accent
#B84CDC
background
#F9F9FD
surface
#F1F2FB
border
#CBCCD4
text
#0D0D15
muted
#7E7E83