#3B76CF#3B76CF
#3B76CF is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.2% C 0.151 H 258.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #3B76CF |
|---|---|
| RGB | rgb(59, 118, 207) |
| HSL | hsl(216, 61%, 52%) |
| HSV | hsv(216, 71%, 81%) |
| CMYK | cmyk(71.5%, 43%, 0%, 18.8%) |
| CIE-LAB | lab(49.97, 10.77, -51.63) |
| CIE-LCH | lch(49.97, 52.74, 281.78°) |
| OKLab | oklab(57.18% -0.0299 -0.1476) |
| OKLCH | oklch(57.18% 0.151 258.5) |
| XYZ | xyz(19.5405, 18.3896, 61.5391) |
| Luminance | 0.1839 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.67
Cerulean Blue
#056EEE
ΔE00 3.93
Deep Sky Blue
#0D75F8
ΔE00 4.00
Medium Blue
#2C6FBB
ΔE00 4.00
Bluish
#2976BB
ΔE00 4.23
Flat Blue
#3C73A8
ΔE00 4.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B76CF #CF943B
analogous
#3BC0CF #3B76CF #4A3BCF
triadic
#3B76CF #CF3B76 #76CF3B
tetradic
#3B76CF #CF3BC0 #CF943B #3BCF4A
square
#3B76CF #CF3BC0 #CF943B #3BCF4A
split-complementary
#3B76CF #CF4A3B #C0CF3B
monochromatic
#1C3F73 #285AA5 #3B76CF #6C98DB #9DBBE7
Accessibility & contrast
On white
4.49
#3B76CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.68
#3B76CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B76CF
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B76CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B76CF | 1.00 | 4.49 | 4.68 | 4.68 |
| #FFFFFF | 4.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B7ED2
Deuteranopia (green-blind)
#3071CD
Tritanopia (blue-blind)
#008B98
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #3b76cf; /* rgb */ color: rgb(59, 118, 207); /* oklch */ color: oklch(57.2% 0.151 258.5);
Tailwind
colors: {
custom: {
50: '#839cde',
500: '#3b76cf',
950: '#000000',
},
}SCSS
$custom: #3b76cf; $custom-light: #839cde; $custom-dark: #000000;
JSON
{
"hex": "#3b76cf",
"rgb": {
"r": 59,
"g": 118,
"b": 207
},
"hsl": {
"h": 216.081,
"s": 60.656,
"l": 52.157
},
"oklch": {
"l": 0.57183,
"c": 0.15063,
"h": 258.5
},
"luminance": 0.18392
}Semantic roles & 50–950 ramp
primary
#3B76CF
secondary
#D3B993
accent
#A444E4
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83