#3679BF#3679BF
#3679BF is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.128 H 251.9°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).
Color values
| HEX | #3679BF |
|---|---|
| RGB | rgb(54, 121, 191) |
| HSL | hsl(211, 56%, 48%) |
| HSV | hsv(211, 72%, 75%) |
| CMYK | cmyk(71.7%, 36.6%, 0%, 25.1%) |
| CIE-LAB | lab(49.76, 2.40, -42.81) |
| CIE-LCH | lch(49.76, 42.88, 273.20°) |
| OKLab | oklab(56.68% -0.0397 -0.1218) |
| OKLCH | oklch(56.68% 0.128 251.9) |
| XYZ | xyz(17.7592, 18.2187, 51.8607) |
| Luminance | 0.1822 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.48
Bluish
#2976BB
ΔE00 1.76
Flat Blue
#3C73A8
ΔE00 3.30
Medium Blue
#2C6FBB
ΔE00 3.68
Steel Blue
#4682B4
ΔE00 3.92
Cool Blue
#4984B8
ΔE00 4.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3679BF #BF7C36
analogous
#36BDBF #3679BF #3836BF
triadic
#3679BF #BF3679 #79BF36
tetradic
#3679BF #BF36BD #BF7C36 #36BF38
square
#3679BF #BF36BD #BF7C36 #36BF38
split-complementary
#3679BF #BF3836 #BDBF36
monochromatic
#1B3D60 #295B8F #3679BF #6098D2 #90B7E0
Accessibility & contrast
On white
4.52
#3679BF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.64
#3679BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3679BF
4.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3679BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3679BF | 1.00 | 4.52 | 4.64 | 4.64 |
| #FFFFFF | 4.52 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#597DC2
Deuteranopia (green-blind)
#4571BE
Tritanopia (blue-blind)
#008993
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #3679bf; /* rgb */ color: rgb(54, 121, 191); /* oklch */ color: oklch(56.7% 0.128 251.9);
Tailwind
colors: {
custom: {
50: '#7e9fd2',
500: '#3679bf',
950: '#000000',
},
}SCSS
$custom: #3679bf; $custom-light: #7e9fd2; $custom-dark: #000000;
JSON
{
"hex": "#3679bf",
"rgb": {
"r": 54,
"g": 121,
"b": 191
},
"hsl": {
"h": 210.657,
"s": 55.918,
"l": 48.039
},
"oklch": {
"l": 0.56685,
"c": 0.1281,
"h": 251.9
},
"luminance": 0.18221
}Semantic roles & 50–950 ramp
primary
#3679BF
secondary
#CAA987
accent
#9649DF
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82