#3876CB#3876CB
#3876CB is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.8% C 0.146 H 257.0°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #3876CB |
|---|---|
| RGB | rgb(56, 118, 203) |
| HSL | hsl(215, 59%, 51%) |
| HSV | hsv(215, 72%, 80%) |
| CMYK | cmyk(72.4%, 41.9%, 0%, 20.4%) |
| CIE-LAB | lab(49.63, 8.89, -49.89) |
| CIE-LCH | lch(49.63, 50.68, 280.10°) |
| OKLab | oklab(56.82% -0.0328 -0.1426) |
| OKLCH | oklch(56.82% 0.146 257) |
| XYZ | xyz(18.8849, 18.1073, 58.9881) |
| Luminance | 0.1811 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.96
Medium Blue
#2C6FBB
ΔE00 3.44
Bluish
#2976BB
ΔE00 3.47
Flat Blue
#3C73A8
ΔE00 4.20
Cerulean Blue
#056EEE
ΔE00 4.26
Deep Sky Blue
#0D75F8
ΔE00 4.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3876CB #CB8D38
analogous
#38BFCB #3876CB #4338CB
triadic
#3876CB #CB3876 #76CB38
tetradic
#3876CB #CB38BF #CB8D38 #38CB43
square
#3876CB #CB38BF #CB8D38 #38CB43
split-complementary
#3876CB #CB4338 #BFCB38
monochromatic
#1C3E6C #295A9D #3876CB #6997D8 #99B9E4
Accessibility & contrast
On white
4.54
#3876CB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#3876CB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3876CB
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3876CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3876CB | 1.00 | 4.54 | 4.62 | 4.62 |
| #FFFFFF | 4.54 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D7DCE
Deuteranopia (green-blind)
#3470C9
Tritanopia (blue-blind)
#008A96
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #3876cb; /* rgb */ color: rgb(56, 118, 203); /* oklch */ color: oklch(56.8% 0.146 257.0);
Tailwind
colors: {
custom: {
50: '#819ddb',
500: '#3876cb',
950: '#000000',
},
}SCSS
$custom: #3876cb; $custom-light: #819ddb; $custom-dark: #000000;
JSON
{
"hex": "#3876cb",
"rgb": {
"r": 56,
"g": 118,
"b": 203
},
"hsl": {
"h": 214.694,
"s": 58.566,
"l": 50.784
},
"oklch": {
"l": 0.56815,
"c": 0.1463,
"h": 257
},
"luminance": 0.18109
}Semantic roles & 50–950 ramp
primary
#3876CB
secondary
#D0B58F
accent
#A046E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83