#3677C3#3677C3
#3677C3 is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.5% C 0.135 H 254.2°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).
Color values
| HEX | #3677C3 |
|---|---|
| RGB | rgb(54, 119, 195) |
| HSL | hsl(212, 57%, 49%) |
| HSV | hsv(212, 72%, 76%) |
| CMYK | cmyk(72.3%, 39%, 0%, 23.5%) |
| CIE-LAB | lab(49.39, 5.07, -45.69) |
| CIE-LCH | lch(49.39, 45.97, 276.34°) |
| OKLab | oklab(56.47% -0.0368 -0.1302) |
| OKLCH | oklch(56.47% 0.135 254.2) |
| XYZ | xyz(17.9648, 17.9161, 54.1305) |
| Luminance | 0.1792 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.66
Bluish
#2976BB
ΔE00 2.22
Medium Blue
#2C6FBB
ΔE00 3.07
Flat Blue
#3C73A8
ΔE00 3.34
Steel Blue
#4682B4
ΔE00 4.78
Muted Blue
#3B719F
ΔE00 4.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3677C3 #C38236
analogous
#36BEC3 #3677C3 #3B36C3
triadic
#3677C3 #C33677 #77C336
tetradic
#3677C3 #C336BE #C38236 #36C33B
square
#3677C3 #C336BE #C38236 #36C33B
split-complementary
#3677C3 #C33B36 #BEC336
monochromatic
#1B3D63 #295A93 #3677C3 #6397D4 #92B7E1
Accessibility & contrast
On white
4.58
#3677C3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.58
#3677C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3677C3
4.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3677C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3677C3 | 1.00 | 4.58 | 4.58 | 4.58 |
| #FFFFFF | 4.58 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#547DC6
Deuteranopia (green-blind)
#3E6FC1
Tritanopia (blue-blind)
#008993
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #3677c3; /* rgb */ color: rgb(54, 119, 195); /* oklch */ color: oklch(56.5% 0.135 254.2);
Tailwind
colors: {
custom: {
50: '#7e9dd5',
500: '#3677c3',
950: '#000000',
},
}SCSS
$custom: #3677c3; $custom-light: #7e9dd5; $custom-dark: #000000;
JSON
{
"hex": "#3677c3",
"rgb": {
"r": 54,
"g": 119,
"b": 195
},
"hsl": {
"h": 212.34,
"s": 56.627,
"l": 48.824
},
"oklch": {
"l": 0.56469,
"c": 0.13536,
"h": 254.2
},
"luminance": 0.17918
}Semantic roles & 50–950 ramp
primary
#3677C3
secondary
#CCAD89
accent
#9A48E0
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83