#5159BC#5159BC
#5159BC is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.1% C 0.153 H 276.0°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #5159BC |
|---|---|
| RGB | rgb(81, 89, 188) |
| HSL | hsl(236, 44%, 53%) |
| HSV | hsv(236, 57%, 74%) |
| CMYK | cmyk(56.9%, 52.7%, 0%, 26.3%) |
| CIE-LAB | lab(42.04, 26.15, -53.35) |
| CIE-LCH | lch(42.04, 59.41, 296.11°) |
| OKLab | oklab(51.05% 0.0162 -0.1526) |
| OKLCH | oklch(51.05% 0.154 276) |
| XYZ | xyz(16.0399, 12.5238, 49.1393) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 3.48
Warm Blue
#4B57DB
ΔE00 4.29
Dark Periwinkle
#665FD1
ΔE00 4.97
Slate Blue
#6A5ACD
ΔE00 5.20
Light Indigo
#6D5ACF
ΔE00 5.83
Dusky Blue
#475F94
ΔE00 7.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5159BC #BCB451
analogous
#518EBC #5159BC #7E51BC
triadic
#5159BC #BC5159 #59BC51
tetradic
#5159BC #BC518E #BCB451 #51BC7E
square
#5159BC #BC518E #BCB451 #51BC7E
split-complementary
#5159BC #BC7E51 #8EBC51
monochromatic
#292E6A #3A4196 #5159BC #7D83CD #A9ADDE
Accessibility & contrast
On white
5.99
#5159BC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#5159BC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5159BC
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5159BC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5159BC | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2068BF
Deuteranopia (green-blind)
#055FBA
Tritanopia (blue-blind)
#117082
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #5159bc; /* rgb */ color: rgb(81, 89, 188); /* oklch */ color: oklch(51.1% 0.153 276.0);
Tailwind
colors: {
custom: {
50: '#8b87d1',
500: '#5159bc',
950: '#000000',
},
}SCSS
$custom: #5159bc; $custom-light: #8b87d1; $custom-dark: #000000;
JSON
{
"hex": "#5159bc",
"rgb": {
"r": 81,
"g": 89,
"b": 188
},
"hsl": {
"h": 235.514,
"s": 44.398,
"l": 52.745
},
"oklch": {
"l": 0.51052,
"c": 0.1535,
"h": 276
},
"luminance": 0.12525
}Semantic roles & 50–950 ramp
primary
#5159BC
secondary
#CCC89D
accent
#CB54D4
background
#F8F8FC
surface
#F0EFF9
border
#CBCAD2
text
#0D0B14
muted
#7D7C82