#3E78CF#3E78CF
#3E78CF is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.7% C 0.147 H 258.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).
Color values
| HEX | #3E78CF |
|---|---|
| RGB | rgb(62, 120, 207) |
| HSL | hsl(216, 60%, 53%) |
| HSV | hsv(216, 70%, 81%) |
| CMYK | cmyk(70%, 42%, 0%, 18.8%) |
| CIE-LAB | lab(50.64, 9.96, -50.54) |
| CIE-LCH | lch(50.64, 51.51, 281.15°) |
| OKLab | oklab(57.74% -0.0296 -0.1444) |
| OKLCH | oklch(57.74% 0.147 258.4) |
| XYZ | xyz(19.9615, 18.9600, 61.6270) |
| Luminance | 0.1896 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.67
Deep Sky Blue
#0D75F8
ΔE00 4.00
Bluish
#2976BB
ΔE00 4.38
Cerulean Blue
#056EEE
ΔE00 4.38
Medium Blue
#2C6FBB
ΔE00 4.55
Clear Blue
#247AFD
ΔE00 4.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3E78CF #CF953E
analogous
#3EC0CF #3E78CF #4C3ECF
triadic
#3E78CF #CF3E78 #78CF3E
tetradic
#3E78CF #CF3EC0 #CF953E #3ECF4C
square
#3E78CF #CF3EC0 #CF953E #3ECF4C
split-complementary
#3E78CF #CF4C3E #C0CF3E
monochromatic
#1D4075 #295BA6 #3E78CF #6F9ADB #A0BDE7
Accessibility & contrast
On white
4.38
#3E78CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.79
#3E78CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3E78CF
4.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3E78CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3E78CF | 1.00 | 4.38 | 4.79 | 4.79 |
| #FFFFFF | 4.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F80D2
Deuteranopia (green-blind)
#3672CD
Tritanopia (blue-blind)
#008C99
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #3e78cf; /* rgb */ color: rgb(62, 120, 207); /* oklch */ color: oklch(57.7% 0.147 258.4);
Tailwind
colors: {
custom: {
50: '#849ede',
500: '#3e78cf',
950: '#000000',
},
}SCSS
$custom: #3e78cf; $custom-light: #849ede; $custom-dark: #000000;
JSON
{
"hex": "#3e78cf",
"rgb": {
"r": 62,
"g": 120,
"b": 207
},
"hsl": {
"h": 216,
"s": 60.166,
"l": 52.745
},
"oklch": {
"l": 0.57736,
"c": 0.14736,
"h": 258.4
},
"luminance": 0.18962
}Semantic roles & 50–950 ramp
primary
#3E78CF
secondary
#D4BB95
accent
#A444E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83