#515BCE#515BCE
#515BCE is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.8% C 0.176 H 274.9°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).
Color values
| HEX | #515BCE |
|---|---|
| RGB | rgb(81, 91, 206) |
| HSL | hsl(235, 56%, 56%) |
| HSV | hsv(235, 61%, 81%) |
| CMYK | cmyk(60.7%, 55.8%, 0%, 19.2%) |
| CIE-LAB | lab(43.78, 30.90, -60.95) |
| CIE-LCH | lch(43.78, 68.34, 296.88°) |
| OKLab | oklab(52.75% 0.015 -0.175) |
| OKLCH | oklch(52.75% 0.176 274.9) |
| XYZ | xyz(18.2714, 13.6863, 60.0594) |
| Luminance | 0.1369 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.09
Iris
#6258C4
ΔE00 3.57
Dark Periwinkle
#665FD1
ΔE00 3.62
Slate Blue
#6A5ACD
ΔE00 4.43
Light Indigo
#6D5ACF
ΔE00 4.97
Azul
#1D5DEC
ΔE00 5.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#515BCE #CEC451
analogous
#519ACE #515BCE #8651CE
triadic
#515BCE #CE515B #5BCE51
tetradic
#515BCE #CE519A #CEC451 #51CE86
square
#515BCE #CE519A #CEC451 #51CE86
split-complementary
#515BCE #CE8651 #9ACE51
monochromatic
#242C80 #323CB0 #515BCE #8188DB #B1B5E9
Accessibility & contrast
On white
5.62
#515BCE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.74
#515BCE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #515BCE
5.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##515BCE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##515BCE | 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)
#006DD2
Deuteranopia (green-blind)
#0062CC
Tritanopia (blue-blind)
#00768C
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #515bce; /* rgb */ color: rgb(81, 91, 206); /* oklch */ color: oklch(52.8% 0.176 274.9);
Tailwind
colors: {
custom: {
50: '#8e89de',
500: '#515bce',
950: '#000000',
},
}SCSS
$custom: #515bce; $custom-light: #8e89de; $custom-dark: #000000;
JSON
{
"hex": "#515bce",
"rgb": {
"r": 81,
"g": 91,
"b": 206
},
"hsl": {
"h": 235.2,
"s": 56.054,
"l": 56.275
},
"oklch": {
"l": 0.5275,
"c": 0.17565,
"h": 274.9
},
"luminance": 0.13688
}Semantic roles & 50–950 ramp
primary
#515BCE
secondary
#D7D3A4
accent
#D348DF
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0D0B15
muted
#7E7C83