#3677AB#3677AB
#3677AB is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.1% C 0.105 H 245.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).
Color values
| HEX | #3677AB |
|---|---|
| RGB | rgb(54, 119, 171) |
| HSL | hsl(207, 52%, 44%) |
| HSV | hsv(207, 68%, 67%) |
| CMYK | cmyk(68.4%, 30.4%, 0%, 32.9%) |
| CIE-LAB | lab(48.15, -3.56, -33.78) |
| CIE-LCH | lch(48.15, 33.96, 263.99°) |
| OKLab | oklab(55.09% -0.0434 -0.0954) |
| OKLCH | oklch(55.09% 0.105 245.5) |
| XYZ | xyz(15.4661, 16.9166, 40.9703) |
| Luminance | 0.1692 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 2.09
Bluish
#2976BB
ΔE00 2.13
Muted Blue
#3B719F
ΔE00 2.58
Dull Blue
#49759C
ΔE00 3.02
Windows Blue
#3778BF
ΔE00 3.12
Nice Blue
#107AB0
ΔE00 3.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3677AB #AB6A36
analogous
#36ABA5 #3677AB #363CAB
triadic
#3677AB #AB3677 #77AB36
tetradic
#3677AB #A536AB #AB6A36 #3CAB36
square
#3677AB #A536AB #AB6A36 #3CAB36
split-complementary
#3677AB #AB363C #ABA536
monochromatic
#19364E #27577C #3677AB #5596C9 #83B2D8
Accessibility & contrast
On white
4.79
#3677AB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.38
#3677AB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3677AB
4.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3677AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3677AB | 1.00 | 4.79 | 4.38 | 4.79 |
| #FFFFFF | 4.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6079AD
Deuteranopia (green-blind)
#506DAA
Tritanopia (blue-blind)
#008489
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #3677ab; /* rgb */ color: rgb(54, 119, 171); /* oklch */ color: oklch(55.1% 0.105 245.5);
Tailwind
colors: {
custom: {
50: '#7a9ec4',
500: '#3677ab',
950: '#000000',
},
}SCSS
$custom: #3677ab; $custom-light: #7a9ec4; $custom-dark: #000000;
JSON
{
"hex": "#3677ab",
"rgb": {
"r": 54,
"g": 119,
"b": 171
},
"hsl": {
"h": 206.667,
"s": 52,
"l": 44.118
},
"oklch": {
"l": 0.55092,
"c": 0.10486,
"h": 245.5
},
"luminance": 0.16918
}Semantic roles & 50–950 ramp
primary
#3677AB
secondary
#C29A7B
accent
#8C4CDB
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E12
muted
#7C7E81