#5B59E9#5B59E9
#5B59E9 is a mid, highly saturated blue. Relative luminance 0.153; OKLCH L 55.2% C 0.211 H 277.5°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).
Color values
| HEX | #5B59E9 |
|---|---|
| RGB | rgb(91, 89, 233) |
| HSL | hsl(241, 77%, 63%) |
| HSV | hsv(241, 62%, 91%) |
| CMYK | cmyk(60.9%, 61.8%, 0%, 8.6%) |
| CIE-LAB | lab(45.98, 42.58, -72.73) |
| CIE-LCH | lch(45.98, 84.28, 300.35°) |
| OKLab | oklab(55.17% 0.0277 -0.2094) |
| OKLCH | oklch(55.17% 0.211 277.5) |
| XYZ | xyz(22.5900, 15.2503, 78.8282) |
| Luminance | 0.1525 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 3.14
Dark Periwinkle
#665FD1
ΔE00 3.77
Slate Blue
#6A5ACD
ΔE00 4.37
Light Indigo
#6D5ACF
ΔE00 4.44
Iris
#6258C4
ΔE00 5.18
Electric Blue
#0652FF
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B59E9 #E7E959
analogous
#599FE9 #5B59E9 #A359E9
triadic
#5B59E9 #E95B59 #59E95B
tetradic
#5B59E9 #E9599F #E7E959 #59E9A3
square
#5B59E9 #E9599F #E7E959 #59E9A3
split-complementary
#5B59E9 #E9A359 #9FE959
monochromatic
#1917B0 #2623E2 #5B59E9 #908FF0 #C6C5F7
Accessibility & contrast
On white
5.18
#5B59E9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.05
#5B59E9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5B59E9
5.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B59E9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5B59E9 | 1.00 | 5.18 | 4.05 | 5.18 |
| #FFFFFF | 5.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.05 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0073EE
Deuteranopia (green-blind)
#0067E6
Tritanopia (blue-blind)
#007D99
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #5b59e9; /* rgb */ color: rgb(91, 89, 233); /* oklch */ color: oklch(55.2% 0.211 277.5);
Tailwind
colors: {
custom: {
50: '#9788f1',
500: '#5b59e9',
950: '#000000',
},
}SCSS
$custom: #5b59e9; $custom-light: #9788f1; $custom-dark: #000000;
JSON
{
"hex": "#5b59e9",
"rgb": {
"r": 91,
"g": 89,
"b": 233
},
"hsl": {
"h": 240.833,
"s": 76.596,
"l": 63.137
},
"oklch": {
"l": 0.55174,
"c": 0.21121,
"h": 277.5
},
"luminance": 0.15252
}Semantic roles & 50–950 ramp
primary
#5B59E9
secondary
#E8E9B5
accent
#D90DD6
background
#FAF8FE
surface
#F3F0FD
border
#CDCBD5
text
#0F0B17
muted
#7F7C85