#3876BB#3876BB
#3876BB is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.8% C 0.125 H 253.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).
Color values
| HEX | #3876BB |
|---|---|
| RGB | rgb(56, 118, 187) |
| HSL | hsl(212, 54%, 48%) |
| HSV | hsv(212, 70%, 73%) |
| CMYK | cmyk(70.1%, 36.9%, 0%, 26.7%) |
| CIE-LAB | lab(48.74, 3.08, -42.12) |
| CIE-LCH | lch(48.74, 42.23, 274.18°) |
| OKLab | oklab(55.84% -0.0365 -0.1198) |
| OKLCH | oklch(55.84% 0.125 253) |
| XYZ | xyz(17.0756, 17.3837, 49.4595) |
| Luminance | 0.1739 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.85
Bluish
#2976BB
ΔE00 1.72
Flat Blue
#3C73A8
ΔE00 2.44
Medium Blue
#2C6FBB
ΔE00 2.55
Muted Blue
#3B719F
ΔE00 3.95
Dull Blue
#49759C
ΔE00 4.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3876BB #BB7D38
analogous
#38B7BB #3876BB #3C38BB
triadic
#3876BB #BB3876 #76BB38
tetradic
#3876BB #BB38B7 #BB7D38 #38BB3C
square
#3876BB #BB38B7 #BB7D38 #38BB3C
split-complementary
#3876BB #BB3C38 #B7BB38
monochromatic
#1C3B5D #2A588C #3876BB #6195D0 #90B5DE
Accessibility & contrast
On white
4.69
#3876BB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.48
#3876BB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3876BB
4.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3876BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3876BB | 1.00 | 4.69 | 4.48 | 4.69 |
| #FFFFFF | 4.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#577ABE
Deuteranopia (green-blind)
#446EBA
Tritanopia (blue-blind)
#00868F
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #3876bb; /* rgb */ color: rgb(56, 118, 187); /* oklch */ color: oklch(55.8% 0.125 253.0);
Tailwind
colors: {
custom: {
50: '#7e9dd0',
500: '#3876bb',
950: '#000000',
},
}SCSS
$custom: #3876bb; $custom-light: #7e9dd0; $custom-dark: #000000;
JSON
{
"hex": "#3876bb",
"rgb": {
"r": 56,
"g": 118,
"b": 187
},
"hsl": {
"h": 211.603,
"s": 53.909,
"l": 47.647
},
"oklch": {
"l": 0.55837,
"c": 0.12523,
"h": 253
},
"luminance": 0.17385
}Semantic roles & 50–950 ramp
primary
#3876BB
secondary
#C8A986
accent
#984BDD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82