#5159CC#5159CC
#5159CC is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.2% C 0.175 H 275.5°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).
Color values
| HEX | #5159CC |
|---|---|
| RGB | rgb(81, 89, 204) |
| HSL | hsl(236, 55%, 56%) |
| HSV | hsv(236, 60%, 80%) |
| CMYK | cmyk(60.3%, 56.4%, 0%, 20%) |
| CIE-LAB | lab(43.14, 31.47, -60.84) |
| CIE-LCH | lch(43.14, 68.50, 297.35°) |
| OKLab | oklab(52.23% 0.0168 -0.1747) |
| OKLCH | oklch(52.23% 0.176 275.5) |
| XYZ | xyz(17.8613, 13.2523, 58.7318) |
| Luminance | 0.1325 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.08
Iris
#6258C4
ΔE00 3.23
Dark Periwinkle
#665FD1
ΔE00 3.83
Slate Blue
#6A5ACD
ΔE00 4.32
Light Indigo
#6D5ACF
ΔE00 4.88
Azul
#1D5DEC
ΔE00 5.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5159CC #CCC451
analogous
#5196CC #5159CC #8651CC
triadic
#5159CC #CC5159 #59CC51
tetradic
#5159CC #CC5196 #CCC451 #51CC86
square
#5159CC #CC5196 #CCC451 #51CC86
split-complementary
#5159CC #CC8651 #96CC51
monochromatic
#252B7E #333BAD #5159CC #8086DA #B0B3E8
Accessibility & contrast
On white
5.75
#5159CC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.65
#5159CC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5159CC
5.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5159CC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5159CC | 1.00 | 5.75 | 3.65 | 5.75 |
| #FFFFFF | 5.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006BD0
Deuteranopia (green-blind)
#0061CA
Tritanopia (blue-blind)
#00748A
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #5159cc; /* rgb */ color: rgb(81, 89, 204); /* oklch */ color: oklch(52.2% 0.175 275.5);
Tailwind
colors: {
custom: {
50: '#8d88dc',
500: '#5159cc',
950: '#000000',
},
}SCSS
$custom: #5159cc; $custom-light: #8d88dc; $custom-dark: #000000;
JSON
{
"hex": "#5159cc",
"rgb": {
"r": 81,
"g": 89,
"b": 204
},
"hsl": {
"h": 236.098,
"s": 54.667,
"l": 55.882
},
"oklch": {
"l": 0.52229,
"c": 0.1755,
"h": 275.5
},
"luminance": 0.13254
}Semantic roles & 50–950 ramp
primary
#5159CC
secondary
#D6D3A3
accent
#D44ADE
background
#F9F8FD
surface
#F2EFFB
border
#CCCAD4
text
#0D0B15
muted
#7E7C83