#515AA4#515AA4
#515AA4 is a mid, moderate blue. Relative luminance 0.117; OKLCH L 49.6% C 0.118 H 276.0°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).
Color values
| HEX | #515AA4 |
|---|---|
| RGB | rgb(81, 90, 164) |
| HSL | hsl(233, 34%, 48%) |
| HSV | hsv(233, 51%, 64%) |
| CMYK | cmyk(50.6%, 45.1%, 0%, 35.7%) |
| CIE-LAB | lab(40.80, 17.63, -41.20) |
| CIE-LCH | lch(40.80, 44.81, 293.17°) |
| OKLab | oklab(49.64% 0.0123 -0.1169) |
| OKLCH | oklch(49.64% 0.118 276) |
| XYZ | xyz(13.7482, 11.7412, 36.6566) |
| Luminance | 0.1174 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusky Blue
#475F94
ΔE00 4.38
Twilight
#4E518B
ΔE00 5.01
Denim Blue
#3B5B92
ΔE00 5.70
Iris
#6258C4
ΔE00 6.20
Dusk
#4E5481
ΔE00 6.60
Sapphire
#0F52BA
ΔE00 7.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515AA4 #A49B51
analogous
#5183A4 #515AA4 #7151A4
triadic
#515AA4 #A4515A #5AA451
tetradic
#515AA4 #A45183 #A49B51 #51A471
square
#515AA4 #A45183 #A49B51 #51A471
split-complementary
#515AA4 #A47151 #83A451
monochromatic
#292D52 #3D447B #515AA4 #777EBC #A0A5D0
Accessibility & contrast
On white
6.27
#515AA4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.35
#515AA4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #515AA4
6.27:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515AA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515AA4 | 1.00 | 6.27 | 3.35 | 6.27 |
| #FFFFFF | 6.27 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.27 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B64A7
Deuteranopia (green-blind)
#335DA2
Tritanopia (blue-blind)
#306A77
Achromatopsia (no color)
#606060
Design tokens & code
CSS
--color: #515aa4; /* rgb */ color: rgb(81, 90, 164); /* oklch */ color: oklch(49.6% 0.118 276.0);
Tailwind
colors: {
custom: {
50: '#8788bf',
500: '#515aa4',
950: '#000000',
},
}SCSS
$custom: #515aa4; $custom-light: #8788bf; $custom-dark: #000000;
JSON
{
"hex": "#515aa4",
"rgb": {
"r": 81,
"g": 90,
"b": 164
},
"hsl": {
"h": 233.494,
"s": 33.878,
"l": 48.039
},
"oklch": {
"l": 0.49636,
"c": 0.11759,
"h": 276
},
"luminance": 0.11742
}Semantic roles & 50–950 ramp
primary
#515AA4
secondary
#BDB894
accent
#BE5ECA
background
#F8F8FB
surface
#F0EFF7
border
#CBCAD0
text
#0C0B12
muted
#7D7C81