#3C75CF#3C75CF
#3C75CF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.0% C 0.151 H 259.2°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).
Color values
| HEX | #3C75CF |
|---|---|
| RGB | rgb(60, 117, 207) |
| HSL | hsl(217, 60%, 52%) |
| HSV | hsv(217, 71%, 81%) |
| CMYK | cmyk(71%, 43.5%, 0%, 18.8%) |
| CIE-LAB | lab(49.72, 11.53, -52.01) |
| CIE-LCH | lch(49.72, 53.28, 282.50°) |
| OKLab | oklab(57% -0.0283 -0.1488) |
| OKLCH | oklch(57% 0.151 259.2) |
| XYZ | xyz(19.4832, 18.1862, 61.5029) |
| Luminance | 0.1819 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.98
Cerulean Blue
#056EEE
ΔE00 3.75
Medium Blue
#2C6FBB
ΔE00 3.94
Deep Sky Blue
#0D75F8
ΔE00 4.05
Bluish
#2976BB
ΔE00 4.48
Cornflower Blue
#5170D7
ΔE00 4.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3C75CF #CF963C
analogous
#3CBECF #3C75CF #4D3CCF
triadic
#3C75CF #CF3C75 #75CF3C
tetradic
#3C75CF #CF3CBE #CF963C #3CCF4D
square
#3C75CF #CF3CBE #CF963C #3CCF4D
split-complementary
#3C75CF #CF4D3C #BECF3C
monochromatic
#1D3E74 #2959A5 #3C75CF #6D98DB #9EBBE7
Accessibility & contrast
On white
4.53
#3C75CF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.64
#3C75CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3C75CF
4.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3C75CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3C75CF | 1.00 | 4.53 | 4.64 | 4.64 |
| #FFFFFF | 4.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#497ED2
Deuteranopia (green-blind)
#2E70CD
Tritanopia (blue-blind)
#008A98
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #3c75cf; /* rgb */ color: rgb(60, 117, 207); /* oklch */ color: oklch(57.0% 0.151 259.2);
Tailwind
colors: {
custom: {
50: '#839cde',
500: '#3c75cf',
950: '#000000',
},
}SCSS
$custom: #3c75cf; $custom-light: #839cde; $custom-dark: #000000;
JSON
{
"hex": "#3c75cf",
"rgb": {
"r": 60,
"g": 117,
"b": 207
},
"hsl": {
"h": 216.735,
"s": 60.494,
"l": 52.353
},
"oklch": {
"l": 0.57004,
"c": 0.15144,
"h": 259.2
},
"luminance": 0.18188
}Semantic roles & 50–950 ramp
primary
#3C75CF
secondary
#D3BB93
accent
#A644E4
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83