#3583C0#3583C0
#3583C0 is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.0% C 0.120 H 245.6°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).
Color values
| HEX | #3583C0 |
|---|---|
| RGB | rgb(53, 131, 192) |
| HSL | hsl(206, 57%, 48%) |
| HSV | hsv(206, 72%, 75%) |
| CMYK | cmyk(72.4%, 31.8%, 0%, 24.7%) |
| CIE-LAB | lab(52.72, -3.38, -38.71) |
| CIE-LCH | lch(52.72, 38.85, 265.02°) |
| OKLab | oklab(59.02% -0.0497 -0.1097) |
| OKLCH | oklch(59.02% 0.12 245.6) |
| XYZ | xyz(19.0953, 20.7931, 52.8660) |
| Luminance | 0.2079 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.90
Cool Blue
#4984B8
ΔE00 2.01
Cerulean (survey)
#0485D1
ΔE00 2.16
Water Blue
#0E87CC
ΔE00 2.51
Off Blue
#5684AE
ΔE00 4.04
Windows Blue
#3778BF
ΔE00 4.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3583C0 #C07235
analogous
#35C0B7 #3583C0 #353DC0
triadic
#3583C0 #C03583 #83C035
tetradic
#3583C0 #B735C0 #C07235 #3DC035
square
#3583C0 #B735C0 #C07235 #3DC035
split-complementary
#3583C0 #C0353D #C0B735
monochromatic
#1B4260 #286290 #3583C0 #5FA0D3 #8FBDE0
Accessibility & contrast
On white
4.07
#3583C0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.16
#3583C0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3583C0
5.16:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3583C0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3583C0 | 1.00 | 4.07 | 5.16 | 5.16 |
| #FFFFFF | 4.07 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.16 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.16 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6785C3
Deuteranopia (green-blind)
#5478BF
Tritanopia (blue-blind)
#009299
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #3583c0; /* rgb */ color: rgb(53, 131, 192); /* oklch */ color: oklch(59.0% 0.120 245.6);
Tailwind
colors: {
custom: {
50: '#7ea6d3',
500: '#3583c0',
950: '#000000',
},
}SCSS
$custom: #3583c0; $custom-light: #7ea6d3; $custom-dark: #000000;
JSON
{
"hex": "#3583c0",
"rgb": {
"r": 53,
"g": 131,
"b": 192
},
"hsl": {
"h": 206.331,
"s": 56.735,
"l": 48.039
},
"oklch": {
"l": 0.5902,
"c": 0.12041,
"h": 245.6
},
"luminance": 0.20795
}Semantic roles & 50–950 ramp
primary
#3583C0
secondary
#CBA486
accent
#8B48E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83