#3587B5#3587B5
#3587B5 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.4% C 0.105 H 237.1°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).
Color values
| HEX | #3587B5 |
|---|---|
| RGB | rgb(53, 135, 181) |
| HSL | hsl(202, 55%, 46%) |
| HSV | hsv(202, 71%, 71%) |
| CMYK | cmyk(70.7%, 25.4%, 0%, 29%) |
| CIE-LAB | lab(53.41, -9.55, -31.34) |
| CIE-LCH | lch(53.41, 32.77, 253.05°) |
| OKLab | oklab(59.39% -0.0572 -0.0883) |
| OKLCH | oklch(59.39% 0.105 237.1) |
| XYZ | xyz(18.4694, 21.4190, 46.8680) |
| Luminance | 0.2142 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 3.82
Steel Blue
#4682B4
ΔE00 3.87
Cool Blue
#4984B8
ΔE00 4.18
Cerulean (survey)
#0485D1
ΔE00 4.76
Off Blue
#5684AE
ΔE00 5.00
Dusty Blue
#5A86AD
ΔE00 5.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3587B5 #B56335
analogous
#35B5A3 #3587B5 #3547B5
triadic
#3587B5 #B53587 #87B535
tetradic
#3587B5 #A335B5 #B56335 #47B535
square
#3587B5 #A335B5 #B56335 #47B535
split-complementary
#3587B5 #B53547 #B5A335
monochromatic
#194056 #276486 #3587B5 #59A4CE #88BEDC
Accessibility & contrast
On white
3.97
#3587B5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.28
#3587B5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3587B5
5.28:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3587B5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3587B5 | 1.00 | 3.97 | 5.28 | 5.28 |
| #FFFFFF | 3.97 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.28 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.28 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7187B7
Deuteranopia (green-blind)
#607AB4
Tritanopia (blue-blind)
#009397
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #3587b5; /* rgb */ color: rgb(53, 135, 181); /* oklch */ color: oklch(59.4% 0.105 237.1);
Tailwind
colors: {
custom: {
50: '#7ca9cb',
500: '#3587b5',
950: '#000000',
},
}SCSS
$custom: #3587b5; $custom-light: #7ca9cb; $custom-dark: #000000;
JSON
{
"hex": "#3587b5",
"rgb": {
"r": 53,
"g": 135,
"b": 181
},
"hsl": {
"h": 201.563,
"s": 54.701,
"l": 45.882
},
"oklch": {
"l": 0.59392,
"c": 0.10516,
"h": 237.1
},
"luminance": 0.21421
}Semantic roles & 50–950 ramp
primary
#3587B5
secondary
#C69980
accent
#7F4ADE
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82