#3877AF#3877AF
#3877AF is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.4% C 0.109 H 248.0°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).
Color values
| HEX | #3877AF |
|---|---|
| RGB | rgb(56, 119, 175) |
| HSL | hsl(208, 52%, 45%) |
| HSV | hsv(208, 68%, 69%) |
| CMYK | cmyk(68%, 32%, 0%, 31.4%) |
| CIE-LAB | lab(48.42, -1.81, -35.68) |
| CIE-LCH | lch(48.42, 35.73, 267.09°) |
| OKLab | oklab(55.39% -0.0408 -0.101) |
| OKLCH | oklch(55.39% 0.109 248) |
| XYZ | xyz(15.9627, 17.1279, 43.0139) |
| Luminance | 0.1713 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 1.49
Flat Blue
#3C73A8
ΔE00 1.76
Windows Blue
#3778BF
ΔE00 2.20
Muted Blue
#3B719F
ΔE00 2.83
Dull Blue
#49759C
ΔE00 3.16
Medium Blue
#2C6FBB
ΔE00 3.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3877AF #AF7038
analogous
#38AFAB #3877AF #383CAF
triadic
#3877AF #AF3877 #77AF38
tetradic
#3877AF #AB38AF #AF7038 #3CAF38
square
#3877AF #AB38AF #AF7038 #3CAF38
split-complementary
#3877AF #AF383C #AFAB38
monochromatic
#1A3852 #295781 #3877AF #5A95CA #88B3D9
Accessibility & contrast
On white
4.74
#3877AF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.43
#3877AF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3877AF
4.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3877AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3877AF | 1.00 | 4.74 | 4.43 | 4.74 |
| #FFFFFF | 4.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E79B1
Deuteranopia (green-blind)
#4E6EAE
Tritanopia (blue-blind)
#00848B
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #3877af; /* rgb */ color: rgb(56, 119, 175); /* oklch */ color: oklch(55.4% 0.109 248.0);
Tailwind
colors: {
custom: {
50: '#7c9ec7',
500: '#3877af',
950: '#000000',
},
}SCSS
$custom: #3877af; $custom-light: #7c9ec7; $custom-dark: #000000;
JSON
{
"hex": "#3877af",
"rgb": {
"r": 56,
"g": 119,
"b": 175
},
"hsl": {
"h": 208.235,
"s": 51.515,
"l": 45.294
},
"oklch": {
"l": 0.55386,
"c": 0.10891,
"h": 248
},
"luminance": 0.1713
}Semantic roles & 50–950 ramp
primary
#3877AF
secondary
#C39F80
accent
#904DDB
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82