#3689C3#3689C3
#3689C3 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.6% C 0.119 H 242.9°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).
Color values
| HEX | #3689C3 |
|---|---|
| RGB | rgb(54, 137, 195) |
| HSL | hsl(205, 57%, 49%) |
| HSV | hsv(205, 72%, 76%) |
| CMYK | cmyk(72.3%, 29.7%, 0%, 23.5%) |
| CIE-LAB | lab(54.67, -5.68, -37.35) |
| CIE-LCH | lch(54.67, 37.78, 261.35°) |
| OKLab | oklab(60.61% -0.054 -0.1056) |
| OKLCH | oklch(60.61% 0.119 242.9) |
| XYZ | xyz(20.3135, 22.6134, 54.9134) |
| Luminance | 0.2262 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 1.84
Cerulean (survey)
#0485D1
ΔE00 2.52
Cool Blue
#4984B8
ΔE00 3.01
Steel Blue
#4682B4
ΔE00 3.29
Off Blue
#5684AE
ΔE00 4.64
Dusty Blue
#5A86AD
ΔE00 4.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3689C3 #C37036
analogous
#36C3B7 #3689C3 #3642C3
triadic
#3689C3 #C33689 #89C336
tetradic
#3689C3 #B736C3 #C37036 #42C336
square
#3689C3 #B736C3 #C37036 #42C336
split-complementary
#3689C3 #C33642 #C3B736
monochromatic
#1B4663 #296793 #3689C3 #63A5D4 #92C1E1
Accessibility & contrast
On white
3.80
#3689C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.52
#3689C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3689C3
5.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3689C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3689C3 | 1.00 | 3.80 | 5.52 | 5.52 |
| #FFFFFF | 3.80 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.52 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.52 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E8AC6
Deuteranopia (green-blind)
#5B7DC2
Tritanopia (blue-blind)
#00979D
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #3689c3; /* rgb */ color: rgb(54, 137, 195); /* oklch */ color: oklch(60.6% 0.119 242.9);
Tailwind
colors: {
custom: {
50: '#7fabd5',
500: '#3689c3',
950: '#000000',
},
}SCSS
$custom: #3689c3; $custom-light: #7fabd5; $custom-dark: #000000;
JSON
{
"hex": "#3689c3",
"rgb": {
"r": 54,
"g": 137,
"b": 195
},
"hsl": {
"h": 204.681,
"s": 56.627,
"l": 48.824
},
"oklch": {
"l": 0.60615,
"c": 0.11865,
"h": 242.9
},
"luminance": 0.22616
}Semantic roles & 50–950 ramp
primary
#3689C3
secondary
#CCA489
accent
#8648E0
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B1014
muted
#7C7F83