#3B7ECF#3B7ECF
#3B7ECF is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.9% C 0.142 H 254.8°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).
Color values
| HEX | #3B7ECF |
|---|---|
| RGB | rgb(59, 126, 207) |
| HSL | hsl(213, 61%, 52%) |
| HSV | hsv(213, 71%, 81%) |
| CMYK | cmyk(71.5%, 39.1%, 0%, 18.8%) |
| CIE-LAB | lab(52.24, 5.85, -48.00) |
| CIE-LCH | lch(52.24, 48.36, 276.94°) |
| OKLab | oklab(58.95% -0.0372 -0.1369) |
| OKLCH | oklch(58.95% 0.142 254.8) |
| XYZ | xyz(20.5228, 20.3543, 61.8666) |
| Luminance | 0.2036 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.86
Cool Blue
#4984B8
ΔE00 3.60
Steel Blue
#4682B4
ΔE00 3.83
Azure
#007FFF
ΔE00 4.36
Bluish
#2976BB
ΔE00 4.36
Off Blue
#5684AE
ΔE00 4.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B7ECF #CF8C3B
analogous
#3BC8CF #3B7ECF #423BCF
triadic
#3B7ECF #CF3B7E #7ECF3B
tetradic
#3B7ECF #CF3BC8 #CF8C3B #3BCF42
square
#3B7ECF #CF3BC8 #CF8C3B #3BCF42
split-complementary
#3B7ECF #CF423B #C8CF3B
monochromatic
#1C4473 #2861A5 #3B7ECF #6C9EDB #9DBFE7
Accessibility & contrast
On white
4.14
#3B7ECF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.07
#3B7ECF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B7ECF
5.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B7ECF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B7ECF | 1.00 | 4.14 | 5.07 | 5.07 |
| #FFFFFF | 4.14 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.07 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.07 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5884D2
Deuteranopia (green-blind)
#4176CD
Tritanopia (blue-blind)
#00919C
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #3b7ecf; /* rgb */ color: rgb(59, 126, 207); /* oklch */ color: oklch(58.9% 0.142 254.8);
Tailwind
colors: {
custom: {
50: '#83a2de',
500: '#3b7ecf',
950: '#000000',
},
}SCSS
$custom: #3b7ecf; $custom-light: #83a2de; $custom-dark: #000000;
JSON
{
"hex": "#3b7ecf",
"rgb": {
"r": 59,
"g": 126,
"b": 207
},
"hsl": {
"h": 212.838,
"s": 60.656,
"l": 52.157
},
"oklch": {
"l": 0.58945,
"c": 0.14184,
"h": 254.8
},
"luminance": 0.20357
}Semantic roles & 50–950 ramp
primary
#3B7ECF
secondary
#D3B693
accent
#9B44E4
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0F15
muted
#7D7E83