#3E77CF#3E77CF
#3E77CF is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.5% C 0.148 H 258.9°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).
Color values
| HEX | #3E77CF |
|---|---|
| RGB | rgb(62, 119, 207) |
| HSL | hsl(216, 60%, 53%) |
| HSV | hsv(216, 70%, 81%) |
| CMYK | cmyk(70%, 42.5%, 0%, 18.8%) |
| CIE-LAB | lab(50.36, 10.58, -50.99) |
| CIE-LCH | lch(50.36, 52.08, 281.72°) |
| OKLab | oklab(57.52% -0.0286 -0.1457) |
| OKLCH | oklch(57.52% 0.148 258.9) |
| XYZ | xyz(19.8418, 18.7207, 61.5871) |
| Luminance | 0.1872 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.80
Deep Sky Blue
#0D75F8
ΔE00 3.99
Cerulean Blue
#056EEE
ΔE00 4.16
Medium Blue
#2C6FBB
ΔE00 4.38
Bluish
#2976BB
ΔE00 4.46
Clear Blue
#247AFD
ΔE00 4.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3E77CF #CF963E
analogous
#3EBFCF #3E77CF #4E3ECF
triadic
#3E77CF #CF3E77 #77CF3E
tetradic
#3E77CF #CF3EBF #CF963E #3ECF4E
square
#3E77CF #CF3EBF #CF963E #3ECF4E
split-complementary
#3E77CF #CF4E3E #BFCF3E
monochromatic
#1D4075 #295BA6 #3E77CF #6F9ADB #A0BCE7
Accessibility & contrast
On white
4.43
#3E77CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.74
#3E77CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3E77CF
4.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3E77CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3E77CF | 1.00 | 4.43 | 4.74 | 4.74 |
| #FFFFFF | 4.43 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.74 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.74 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D7FD2
Deuteranopia (green-blind)
#3472CD
Tritanopia (blue-blind)
#008B99
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #3e77cf; /* rgb */ color: rgb(62, 119, 207); /* oklch */ color: oklch(57.5% 0.148 258.9);
Tailwind
colors: {
custom: {
50: '#849dde',
500: '#3e77cf',
950: '#000000',
},
}SCSS
$custom: #3e77cf; $custom-light: #849dde; $custom-dark: #000000;
JSON
{
"hex": "#3e77cf",
"rgb": {
"r": 62,
"g": 119,
"b": 207
},
"hsl": {
"h": 216.414,
"s": 60.166,
"l": 52.745
},
"oklch": {
"l": 0.57518,
"c": 0.14849,
"h": 258.9
},
"luminance": 0.18723
}Semantic roles & 50–950 ramp
primary
#3E77CF
secondary
#D4BB95
accent
#A544E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83