#5B5BEE#5B5BEE
#5B5BEE is a mid, highly saturated blue. Relative luminance 0.159; OKLCH L 55.9% C 0.215 H 276.9°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).
Color values
| HEX | #5B5BEE |
|---|---|
| RGB | rgb(91, 91, 238) |
| HSL | hsl(240, 81%, 65%) |
| HSV | hsv(240, 62%, 93%) |
| CMYK | cmyk(61.8%, 61.8%, 0%, 6.7%) |
| CIE-LAB | lab(46.81, 43.00, -74.18) |
| CIE-LCH | lch(46.81, 85.74, 300.10°) |
| OKLab | oklab(55.91% 0.0258 -0.2136) |
| OKLCH | oklch(55.91% 0.215 276.9) |
| XYZ | xyz(23.4831, 15.8775, 82.6995) |
| Luminance | 0.1588 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 3.77
Dark Periwinkle
#665FD1
ΔE00 4.11
Slate Blue
#6A5ACD
ΔE00 4.96
Light Indigo
#6D5ACF
ΔE00 4.98
Electric Blue
#0652FF
ΔE00 5.53
Iris
#6258C4
ΔE00 5.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B5BEE #EEEE5B
analogous
#5BA5EE #5B5BEE #A55BEE
triadic
#5B5BEE #EE5B5B #5BEE5B
tetradic
#5B5BEE #EE5BA5 #EEEE5B #5BEEA5
square
#5B5BEE #EE5BA5 #EEEE5B #5BEEA5
split-complementary
#5B5BEE #EEA55B #A5EE5B
monochromatic
#1313BB #2424E8 #5B5BEE #9292F4 #CACAF9
Accessibility & contrast
On white
5.03
#5B5BEE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.18
#5B5BEE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5B5BEE
5.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B5BEE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5B5BEE | 1.00 | 5.03 | 4.18 | 5.03 |
| #FFFFFF | 5.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0075F3
Deuteranopia (green-blind)
#0069EB
Tritanopia (blue-blind)
#00809C
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #5b5bee; /* rgb */ color: rgb(91, 91, 238); /* oklch */ color: oklch(55.9% 0.215 276.9);
Tailwind
colors: {
custom: {
50: '#988af5',
500: '#5b5bee',
950: '#000000',
},
}SCSS
$custom: #5b5bee; $custom-light: #988af5; $custom-dark: #000000;
JSON
{
"hex": "#5b5bee",
"rgb": {
"r": 91,
"g": 91,
"b": 238
},
"hsl": {
"h": 240,
"s": 81.215,
"l": 64.51
},
"oklch": {
"l": 0.55909,
"c": 0.21517,
"h": 276.9
},
"luminance": 0.15879
}Semantic roles & 50–950 ramp
primary
#5B5BEE
secondary
#ECECB9
accent
#DE08DE
background
#FAF8FF
surface
#F4F0FE
border
#CECBD6
text
#0F0B17
muted
#7F7C85