#3B79BB#3B79BB
#3B79BB is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.6% C 0.121 H 252.0°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).
Color values
| HEX | #3B79BB |
|---|---|
| RGB | rgb(59, 121, 187) |
| HSL | hsl(211, 52%, 48%) |
| HSV | hsv(211, 68%, 73%) |
| CMYK | cmyk(68.4%, 35.3%, 0%, 26.7%) |
| CIE-LAB | lab(49.73, 1.72, -40.55) |
| CIE-LCH | lch(49.73, 40.59, 272.44°) |
| OKLab | oklab(56.64% -0.0374 -0.1151) |
| OKLCH | oklch(56.64% 0.121 252) |
| XYZ | xyz(17.6073, 18.1906, 49.5873) |
| Luminance | 0.1819 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.56
Bluish
#2976BB
ΔE00 1.93
Flat Blue
#3C73A8
ΔE00 3.04
Medium Blue
#2C6FBB
ΔE00 3.65
Steel Blue
#4682B4
ΔE00 3.81
Cool Blue
#4984B8
ΔE00 4.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B79BB #BB7D3B
analogous
#3BB9BB #3B79BB #3D3BBB
triadic
#3B79BB #BB3B79 #79BB3B
tetradic
#3B79BB #BB3BB9 #BB7D3B #3BBB3D
square
#3B79BB #BB3BB9 #BB7D3B #3BBB3D
split-complementary
#3B79BB #BB3D3B #B9BB3B
monochromatic
#1E3D5E #2C5B8C #3B79BB #6598CE #93B7DD
Accessibility & contrast
On white
4.53
#3B79BB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.64
#3B79BB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B79BB
4.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B79BB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B79BB | 1.00 | 4.53 | 4.64 | 4.64 |
| #FFFFFF | 4.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C7DBE
Deuteranopia (green-blind)
#4971BA
Tritanopia (blue-blind)
#008891
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #3b79bb; /* rgb */ color: rgb(59, 121, 187); /* oklch */ color: oklch(56.6% 0.121 252.0);
Tailwind
colors: {
custom: {
50: '#7f9fd0',
500: '#3b79bb',
950: '#000000',
},
}SCSS
$custom: #3b79bb; $custom-light: #7f9fd0; $custom-dark: #000000;
JSON
{
"hex": "#3b79bb",
"rgb": {
"r": 59,
"g": 121,
"b": 187
},
"hsl": {
"h": 210.938,
"s": 52.033,
"l": 48.235
},
"oklch": {
"l": 0.56639,
"c": 0.12104,
"h": 252
},
"luminance": 0.18192
}Semantic roles & 50–950 ramp
primary
#3B79BB
secondary
#C8AA8A
accent
#964CDB
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82