#3B7CBB#3B7CBB
#3B7CBB is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.3% C 0.118 H 250.0°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).
Color values
| HEX | #3B7CBB |
|---|---|
| RGB | rgb(59, 124, 187) |
| HSL | hsl(210, 52%, 48%) |
| HSV | hsv(210, 68%, 73%) |
| CMYK | cmyk(68.4%, 33.7%, 0%, 26.7%) |
| CIE-LAB | lab(50.61, -0.08, -39.16) |
| CIE-LCH | lch(50.61, 39.16, 269.88°) |
| OKLab | oklab(57.33% -0.0404 -0.111) |
| OKLCH | oklch(57.33% 0.118 250) |
| XYZ | xyz(17.9776, 18.9311, 49.7107) |
| Luminance | 0.1893 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.67
Bluish
#2976BB
ΔE00 2.46
Steel Blue
#4682B4
ΔE00 2.71
Cool Blue
#4984B8
ΔE00 3.15
Flat Blue
#3C73A8
ΔE00 3.84
Off Blue
#5684AE
ΔE00 4.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B7CBB #BB7A3B
analogous
#3BBBBA #3B7CBB #3B3CBB
triadic
#3B7CBB #BB3B7C #7CBB3B
tetradic
#3B7CBB #BA3BBB #BB7A3B #3CBB3B
square
#3B7CBB #BA3BBB #BB7A3B #3CBB3B
split-complementary
#3B7CBB #BB3B3C #BBBA3B
monochromatic
#1E3E5E #2C5D8C #3B7CBB #659ACE #93B9DD
Accessibility & contrast
On white
4.39
#3B7CBB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.79
#3B7CBB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B7CBB
4.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B7CBB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B7CBB | 1.00 | 4.39 | 4.79 | 4.79 |
| #FFFFFF | 4.39 | 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)
#607FBE
Deuteranopia (green-blind)
#4E73BA
Tritanopia (blue-blind)
#008B93
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #3b7cbb; /* rgb */ color: rgb(59, 124, 187); /* oklch */ color: oklch(57.3% 0.118 250.0);
Tailwind
colors: {
custom: {
50: '#7fa1d0',
500: '#3b7cbb',
950: '#000000',
},
}SCSS
$custom: #3b7cbb; $custom-light: #7fa1d0; $custom-dark: #000000;
JSON
{
"hex": "#3b7cbb",
"rgb": {
"r": 59,
"g": 124,
"b": 187
},
"hsl": {
"h": 209.531,
"s": 52.033,
"l": 48.235
},
"oklch": {
"l": 0.57329,
"c": 0.11814,
"h": 250
},
"luminance": 0.18933
}Semantic roles & 50–950 ramp
primary
#3B7CBB
secondary
#C8A88A
accent
#934CDB
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82