#515FBF#515FBF
#515FBF is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.4% C 0.150 H 273.8°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).
Color values
| HEX | #515FBF |
|---|---|
| RGB | rgb(81, 95, 191) |
| HSL | hsl(232, 46%, 53%) |
| HSV | hsv(232, 58%, 75%) |
| CMYK | cmyk(57.6%, 50.3%, 0%, 25.1%) |
| CIE-LAB | lab(43.79, 23.36, -52.27) |
| CIE-LCH | lch(43.79, 57.25, 294.09°) |
| OKLab | oklab(52.44% 0.01 -0.1494) |
| OKLCH | oklch(52.44% 0.15 273.8) |
| XYZ | xyz(16.8865, 13.6941, 51.0335) |
| Luminance | 0.1369 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 4.52
Warm Blue
#4B57DB
ΔE00 4.59
Dark Periwinkle
#665FD1
ΔE00 4.76
Slate Blue
#6A5ACD
ΔE00 5.73
Royal Blue
#4169E1
ΔE00 6.05
Light Indigo
#6D5ACF
ΔE00 6.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515FBF #BFB151
analogous
#5196BF #515FBF #7A51BF
triadic
#515FBF #BF515F #5FBF51
tetradic
#515FBF #BF5196 #BFB151 #51BF7A
square
#515FBF #BF5196 #BFB151 #51BF7A
split-complementary
#515FBF #BF7A51 #96BF51
monochromatic
#28316D #39459A #515FBF #7E88CF #AAB1E0
Accessibility & contrast
On white
5.62
#515FBF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.74
#515FBF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #515FBF
5.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515FBF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515FBF | 1.00 | 5.62 | 3.74 | 5.62 |
| #FFFFFF | 5.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D6CC2
Deuteranopia (green-blind)
#1963BD
Tritanopia (blue-blind)
#057586
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #515fbf; /* rgb */ color: rgb(81, 95, 191); /* oklch */ color: oklch(52.4% 0.150 273.8);
Tailwind
colors: {
custom: {
50: '#8b8cd3',
500: '#515fbf',
950: '#000000',
},
}SCSS
$custom: #515fbf; $custom-light: #8b8cd3; $custom-dark: #000000;
JSON
{
"hex": "#515fbf",
"rgb": {
"r": 81,
"g": 95,
"b": 191
},
"hsl": {
"h": 232.364,
"s": 46.218,
"l": 53.333
},
"oklch": {
"l": 0.52436,
"c": 0.14975,
"h": 273.8
},
"luminance": 0.13695
}Semantic roles & 50–950 ramp
primary
#515FBF
secondary
#CEC89E
accent
#C552D6
background
#F9F8FD
surface
#F1F0FA
border
#CBCBD3
text
#0D0C14
muted
#7E7D83