#3671BA#3671BA
#3671BA is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.6% C 0.130 H 255.1°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).
Color values
| HEX | #3671BA |
|---|---|
| RGB | rgb(54, 113, 186) |
| HSL | hsl(213, 55%, 47%) |
| HSV | hsv(213, 71%, 73%) |
| CMYK | cmyk(71%, 39.2%, 0%, 27.1%) |
| CIE-LAB | lab(47.15, 5.49, -44.06) |
| CIE-LCH | lch(47.15, 44.41, 277.11°) |
| OKLab | oklab(54.56% -0.0333 -0.1256) |
| OKLCH | oklch(54.56% 0.13 255.1) |
| XYZ | xyz(16.2861, 16.1379, 48.7015) |
| Luminance | 0.1614 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.05
Flat Blue
#3C73A8
ΔE00 2.42
Windows Blue
#3778BF
ΔE00 2.69
Mid Blue
#276AB3
ΔE00 2.84
Bluish
#2976BB
ΔE00 2.92
French Blue
#436BAD
ΔE00 3.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3671BA #BA7F36
analogous
#36B3BA #3671BA #3D36BA
triadic
#3671BA #BA3671 #71BA36
tetradic
#3671BA #BA36B3 #BA7F36 #36BA3D
square
#3671BA #BA36B3 #BA7F36 #36BA3D
split-complementary
#3671BA #BA3D36 #B3BA36
monochromatic
#1A375B #28548B #3671BA #5D91D0 #8DB1DE
Accessibility & contrast
On white
4.97
#3671BA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.23
#3671BA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3671BA
4.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3671BA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3671BA | 1.00 | 4.97 | 4.23 | 4.97 |
| #FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F76BD
Deuteranopia (green-blind)
#3B6AB9
Tritanopia (blue-blind)
#00828C
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #3671ba; /* rgb */ color: rgb(54, 113, 186); /* oklch */ color: oklch(54.6% 0.130 255.1);
Tailwind
colors: {
custom: {
50: '#7d99cf',
500: '#3671ba',
950: '#000000',
},
}SCSS
$custom: #3671ba; $custom-light: #7d99cf; $custom-dark: #000000;
JSON
{
"hex": "#3671ba",
"rgb": {
"r": 54,
"g": 113,
"b": 186
},
"hsl": {
"h": 213.182,
"s": 55,
"l": 47.059
},
"oklch": {
"l": 0.54562,
"c": 0.12992,
"h": 255.1
},
"luminance": 0.1614
}Semantic roles & 50–950 ramp
primary
#3671BA
secondary
#C8AA84
accent
#9C49DE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0D14
muted
#7C7E82