#5B87CC#5B87CC
#5B87CC is a light, moderate blue. Relative luminance 0.239; OKLCH L 62.2% C 0.116 H 259.1°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).
Color values
| HEX | #5B87CC |
|---|---|
| RGB | rgb(91, 135, 204) |
| HSL | hsl(217, 53%, 58%) |
| HSV | hsv(217, 55%, 80%) |
| CMYK | cmyk(55.4%, 33.8%, 0%, 20%) |
| CIE-LAB | lab(56.00, 5.14, -40.26) |
| CIE-LCH | lch(56.00, 40.59, 277.28°) |
| OKLab | oklab(62.2% -0.0219 -0.1137) |
| OKLCH | oklch(62.2% 0.116 259.1) |
| XYZ | xyz(23.8737, 23.9098, 60.4720) |
| Luminance | 0.2391 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Faded Blue
#658CBB
ΔE00 2.86
Soft Blue
#6488EA
ΔE00 4.04
Dark Sky Blue
#448EE4
ΔE00 4.58
Off Blue
#5684AE
ΔE00 4.58
Dusty Blue
#5A86AD
ΔE00 4.68
Dodger Blue
#3E82FC
ΔE00 4.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B87CC #CCA05B
analogous
#5BBFCC #5B87CC #675BCC
triadic
#5B87CC #CC5B87 #87CC5B
tetradic
#5B87CC #CC5BBF #CCA05B #5BCC67
square
#5B87CC #CC5BBF #CCA05B #5BCC67
split-complementary
#5B87CC #CC675B #BFCC5B
monochromatic
#294C84 #3767B2 #5B87CC #8AA9DB #B8CBE9
Accessibility & contrast
On white
3.63
#5B87CC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.78
#5B87CC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5B87CC
5.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B87CC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5B87CC | 1.00 | 3.63 | 5.78 | 5.78 |
| #FFFFFF | 3.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.78 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.78 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B8CCF
Deuteranopia (green-blind)
#5D81CB
Tritanopia (blue-blind)
#0F96A0
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #5b87cc; /* rgb */ color: rgb(91, 135, 204); /* oklch */ color: oklch(62.2% 0.116 259.1);
Tailwind
colors: {
custom: {
50: '#91a9dc',
500: '#5b87cc',
950: '#000000',
},
}SCSS
$custom: #5b87cc; $custom-light: #91a9dc; $custom-dark: #000000;
JSON
{
"hex": "#5b87cc",
"rgb": {
"r": 91,
"g": 135,
"b": 204
},
"hsl": {
"h": 216.637,
"s": 52.558,
"l": 57.843
},
"oklch": {
"l": 0.62201,
"c": 0.11575,
"h": 259.1
},
"luminance": 0.23912
}Semantic roles & 50–950 ramp
primary
#5B87CC
secondary
#D8C6AB
accent
#A44CDC
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0D0F15
muted
#7E7F83