#3582CB#3582CB
#3582CB is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.4% C 0.135 H 250.2°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).
Color values
| HEX | #3582CB |
|---|---|
| RGB | rgb(53, 130, 203) |
| HSL | hsl(209, 59%, 50%) |
| HSV | hsv(209, 74%, 80%) |
| CMYK | cmyk(73.9%, 36%, 0%, 20.4%) |
| CIE-LAB | lab(52.98, 1.17, -44.56) |
| CIE-LCH | lch(52.98, 44.57, 271.50°) |
| OKLab | oklab(59.41% -0.0457 -0.1268) |
| OKLCH | oklch(59.41% 0.135 250.2) |
| XYZ | xyz(20.2263, 21.0316, 59.4819) |
| Luminance | 0.2103 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.47
Steel Blue
#4682B4
ΔE00 2.79
Cerulean (survey)
#0485D1
ΔE00 2.92
Water Blue
#0E87CC
ΔE00 3.85
Windows Blue
#3778BF
ΔE00 3.91
Off Blue
#5684AE
ΔE00 4.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3582CB #CB7E35
analogous
#35CBC9 #3582CB #3537CB
triadic
#3582CB #CB3582 #82CB35
tetradic
#3582CB #C935CB #CB7E35 #37CB35
square
#3582CB #C935CB #CB7E35 #37CB35
split-complementary
#3582CB #CB3537 #CBC935
monochromatic
#1B446A #28639B #3582CB #66A0D8 #96BEE4
Accessibility & contrast
On white
4.03
#3582CB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.21
#3582CB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3582CB
5.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3582CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3582CB | 1.00 | 4.03 | 5.21 | 5.21 |
| #FFFFFF | 4.03 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.21 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.21 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6086CE
Deuteranopia (green-blind)
#4A78CA
Tritanopia (blue-blind)
#00939D
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #3582cb; /* rgb */ color: rgb(53, 130, 203); /* oklch */ color: oklch(59.4% 0.135 250.2);
Tailwind
colors: {
custom: {
50: '#80a5db',
500: '#3582cb',
950: '#000000',
},
}SCSS
$custom: #3582cb; $custom-light: #80a5db; $custom-dark: #000000;
JSON
{
"hex": "#3582cb",
"rgb": {
"r": 53,
"g": 130,
"b": 203
},
"hsl": {
"h": 209.2,
"s": 59.055,
"l": 50.196
},
"oklch": {
"l": 0.59407,
"c": 0.13475,
"h": 250.2
},
"luminance": 0.21034
}Semantic roles & 50–950 ramp
primary
#3582CB
secondary
#CFAD8C
accent
#9246E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83