#3587B7#3587B7
#3587B7 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.5% C 0.107 H 238.2°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #3587B7 |
|---|---|
| RGB | rgb(53, 135, 183) |
| HSL | hsl(202, 55%, 46%) |
| HSV | hsv(202, 71%, 72%) |
| CMYK | cmyk(71%, 26.2%, 0%, 28.2%) |
| CIE-LAB | lab(53.49, -8.86, -32.35) |
| CIE-LCH | lch(53.49, 33.54, 254.68°) |
| OKLab | oklab(59.49% -0.0565 -0.0912) |
| OKLCH | oklch(59.49% 0.107 238.2) |
| XYZ | xyz(18.6761, 21.5016, 47.9565) |
| Luminance | 0.2150 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 3.30
Steel Blue
#4682B4
ΔE00 3.53
Cool Blue
#4984B8
ΔE00 3.80
Cerulean (survey)
#0485D1
ΔE00 4.23
Off Blue
#5684AE
ΔE00 4.80
Dusty Blue
#5A86AD
ΔE00 4.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3587B7 #B76535
analogous
#35B7A6 #3587B7 #3546B7
triadic
#3587B7 #B73587 #87B735
tetradic
#3587B7 #A635B7 #B76535 #46B735
square
#3587B7 #A635B7 #B76535 #46B735
split-complementary
#3587B7 #B73546 #B7A635
monochromatic
#1A4158 #276488 #3587B7 #5AA4CF #89BEDD
Accessibility & contrast
On white
3.96
#3587B7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.30
#3587B7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3587B7
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3587B7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3587B7 | 1.00 | 3.96 | 5.30 | 5.30 |
| #FFFFFF | 3.96 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.30 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.30 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7087B9
Deuteranopia (green-blind)
#5F7AB6
Tritanopia (blue-blind)
#009397
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #3587b7; /* rgb */ color: rgb(53, 135, 183); /* oklch */ color: oklch(59.5% 0.107 238.2);
Tailwind
colors: {
custom: {
50: '#7ca9cc',
500: '#3587b7',
950: '#000000',
},
}SCSS
$custom: #3587b7; $custom-light: #7ca9cc; $custom-dark: #000000;
JSON
{
"hex": "#3587b7",
"rgb": {
"r": 53,
"g": 135,
"b": 183
},
"hsl": {
"h": 202.154,
"s": 55.085,
"l": 46.275
},
"oklch": {
"l": 0.59492,
"c": 0.10725,
"h": 238.2
},
"luminance": 0.21504
}Semantic roles & 50–950 ramp
primary
#3587B7
secondary
#C79B81
accent
#8049DE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82