#3C688F#3C688F
#3C688F is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 50.3% C 0.079 H 246.9°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).
Color values
| HEX | #3C688F |
|---|---|
| RGB | rgb(60, 104, 143) |
| HSL | hsl(208, 41%, 40%) |
| HSV | hsv(208, 58%, 56%) |
| CMYK | cmyk(58%, 27.3%, 0%, 43.9%) |
| CIE-LAB | lab(42.53, -3.05, -26.03) |
| CIE-LCH | lch(42.53, 26.21, 263.32°) |
| OKLab | oklab(50.29% -0.0312 -0.0731) |
| OKLCH | oklch(50.29% 0.079 246.9) |
| XYZ | xyz(11.7699, 12.8434, 27.8401) |
| Luminance | 0.1284 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Denim (survey)
#3B638C
ΔE00 2.07
Ugly Blue
#31668A
ΔE00 2.52
Muted Blue
#3B719F
ΔE00 3.64
Mid Blue
#276AB3
ΔE00 4.50
Cadet Blue
#4E7496
ΔE00 4.80
Flat Blue
#3C73A8
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3C688F #8F633C
analogous
#3C8F8D #3C688F #3C3E8F
triadic
#3C688F #8F3C68 #688F3C
tetradic
#3C688F #8D3C8F #8F633C #3E8F3C
square
#3C688F #8D3C8F #8F633C #3E8F3C
split-complementary
#3C688F #8F3C3E #8F8D3C
monochromatic
#182939 #2A4964 #3C688F #5287B6 #7DA5C8
Accessibility & contrast
On white
5.88
#3C688F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.57
#3C688F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3C688F
5.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3C688F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3C688F | 1.00 | 5.88 | 3.57 | 5.88 |
| #FFFFFF | 5.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#576991
Deuteranopia (green-blind)
#4C618E
Tritanopia (blue-blind)
#007175
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #3c688f; /* rgb */ color: rgb(60, 104, 143); /* oklch */ color: oklch(50.3% 0.079 246.9);
Tailwind
colors: {
custom: {
50: '#7893b0',
500: '#3c688f',
950: '#000000',
},
}SCSS
$custom: #3c688f; $custom-light: #7893b0; $custom-dark: #000000;
JSON
{
"hex": "#3c688f",
"rgb": {
"r": 60,
"g": 104,
"b": 143
},
"hsl": {
"h": 208.193,
"s": 40.887,
"l": 39.804
},
"oklch": {
"l": 0.50288,
"c": 0.07944,
"h": 246.9
},
"luminance": 0.12844
}Semantic roles & 50–950 ramp
primary
#3C688F
secondary
#B29275
accent
#9057D1
background
#F7F9FA
surface
#EEF1F4
border
#C9CBCE
text
#090D10
muted
#7B7E7F