#5B90F1#5B90F1
#5B90F1 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.2% C 0.155 H 261.5°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).
Color values
| HEX | #5B90F1 |
|---|---|
| RGB | rgb(91, 144, 241) |
| HSL | hsl(219, 84%, 65%) |
| HSV | hsv(219, 62%, 95%) |
| CMYK | cmyk(62.2%, 40.2%, 0%, 5.5%) |
| CIE-LAB | lab(60.35, 11.92, -54.03) |
| CIE-LCH | lch(60.35, 55.32, 282.44°) |
| OKLab | oklab(66.2% -0.023 -0.1538) |
| OKLCH | oklch(66.2% 0.156 261.5) |
| XYZ | xyz(30.1593, 28.5188, 87.1173) |
| Luminance | 0.2852 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 1.61
Soft Blue
#6488EA
ΔE00 3.56
Dark Sky Blue
#448EE4
ΔE00 3.93
Dodger Blue
#3E82FC
ΔE00 4.52
Dodgerblue
#1E90FF
ΔE00 4.87
Faded Blue
#658CBB
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B90F1 #F1BC5B
analogous
#5BDBF1 #5B90F1 #715BF1
triadic
#5B90F1 #F15B90 #90F15B
tetradic
#5B90F1 #F15BDB #F1BC5B #5BF171
square
#5B90F1 #F15BDB #F1BC5B #5BF171
split-complementary
#5B90F1 #F1715B #DBF15B
monochromatic
#104FC1 #236AEC #5B90F1 #93B6F6 #CCDCFB
Accessibility & contrast
On white
3.13
#5B90F1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.70
#5B90F1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5B90F1
6.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B90F1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5B90F1 | 1.00 | 3.13 | 6.70 | 6.70 |
| #FFFFFF | 3.13 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.70 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.70 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6599F5
Deuteranopia (green-blind)
#4F8BEF
Tritanopia (blue-blind)
#00A6B5
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #5b90f1; /* rgb */ color: rgb(91, 144, 241); /* oklch */ color: oklch(66.2% 0.155 261.5);
Tailwind
colors: {
custom: {
50: '#96b0f6',
500: '#5b90f1',
950: '#000000',
},
}SCSS
$custom: #5b90f1; $custom-light: #96b0f6; $custom-dark: #000000;
JSON
{
"hex": "#5b90f1",
"rgb": {
"r": 91,
"g": 144,
"b": 241
},
"hsl": {
"h": 218.8,
"s": 84.27,
"l": 65.098
},
"oklch": {
"l": 0.66197,
"c": 0.1555,
"h": 261.5
},
"luminance": 0.28522
}Semantic roles & 50–950 ramp
primary
#5B90F1
secondary
#EDDBBA
accent
#9305E1
background
#F9FAFF
surface
#F2F4FE
border
#CCCED6
text
#0F1017
muted
#7E7F85