#3E7BBF#3E7BBF
#3E7BBF is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.123 H 252.9°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).
Color values
| HEX | #3E7BBF |
|---|---|
| RGB | rgb(62, 123, 191) |
| HSL | hsl(212, 51%, 50%) |
| HSV | hsv(212, 68%, 75%) |
| CMYK | cmyk(67.5%, 35.6%, 0%, 25.1%) |
| CIE-LAB | lab(50.63, 2.42, -41.42) |
| CIE-LCH | lch(50.63, 41.49, 273.34°) |
| OKLab | oklab(57.44% -0.0362 -0.1176) |
| OKLCH | oklch(57.44% 0.123 252.9) |
| XYZ | xyz(18.4701, 18.9497, 51.9644) |
| Luminance | 0.1895 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.18
Bluish
#2976BB
ΔE00 2.76
Steel Blue
#4682B4
ΔE00 3.43
Cool Blue
#4984B8
ΔE00 3.67
Flat Blue
#3C73A8
ΔE00 3.92
Medium Blue
#2C6FBB
ΔE00 4.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3E7BBF #BF823E
analogous
#3EBCBF #3E7BBF #423EBF
triadic
#3E7BBF #BF3E7B #7BBF3E
tetradic
#3E7BBF #BF3EBC #BF823E #3EBF42
square
#3E7BBF #BF3EBC #BF823E #3EBF42
split-complementary
#3E7BBF #BF423E #BCBF3E
monochromatic
#203F63 #2F5D91 #3E7BBF #6B9ACF #99BADE
Accessibility & contrast
On white
4.38
#3E7BBF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.79
#3E7BBF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3E7BBF
4.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3E7BBF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3E7BBF | 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)
#5D7FC2
Deuteranopia (green-blind)
#4A73BE
Tritanopia (blue-blind)
#008B94
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #3e7bbf; /* rgb */ color: rgb(62, 123, 191); /* oklch */ color: oklch(57.4% 0.123 252.9);
Tailwind
colors: {
custom: {
50: '#81a0d2',
500: '#3e7bbf',
950: '#000000',
},
}SCSS
$custom: #3e7bbf; $custom-light: #81a0d2; $custom-dark: #000000;
JSON
{
"hex": "#3e7bbf",
"rgb": {
"r": 62,
"g": 123,
"b": 191
},
"hsl": {
"h": 211.628,
"s": 50.988,
"l": 49.608
},
"oklch": {
"l": 0.57444,
"c": 0.12302,
"h": 252.9
},
"luminance": 0.18952
}Semantic roles & 50–950 ramp
primary
#3E7BBF
secondary
#CAAE8F
accent
#984DDA
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0B0E14
muted
#7C7E82