#3979C2#3979C2
#3979C2 is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.0% C 0.131 H 253.6°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).
Color values
| HEX | #3979C2 |
|---|---|
| RGB | rgb(57, 121, 194) |
| HSL | hsl(212, 55%, 49%) |
| HSV | hsv(212, 71%, 76%) |
| CMYK | cmyk(70.6%, 37.6%, 0%, 23.9%) |
| CIE-LAB | lab(50.02, 3.92, -44.11) |
| CIE-LCH | lch(50.02, 44.28, 275.08°) |
| OKLab | oklab(56.97% -0.037 -0.1255) |
| OKLCH | oklch(56.97% 0.131 253.6) |
| XYZ | xyz(18.2587, 18.4377, 53.6250) |
| Luminance | 0.1844 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.59
Bluish
#2976BB
ΔE00 2.37
Flat Blue
#3C73A8
ΔE00 3.63
Medium Blue
#2C6FBB
ΔE00 3.75
Steel Blue
#4682B4
ΔE00 4.13
Cool Blue
#4984B8
ΔE00 4.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3979C2 #C28239
analogous
#39BEC2 #3979C2 #3E39C2
triadic
#3979C2 #C23979 #79C239
tetradic
#3979C2 #C239BE #C28239 #39C23E
square
#3979C2 #C239BE #C28239 #39C23E
split-complementary
#3979C2 #C23E39 #BEC239
monochromatic
#1D3E63 #2B5B93 #3979C2 #6699D2 #95B8E0
Accessibility & contrast
On white
4.48
#3979C2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.69
#3979C2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3979C2
4.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3979C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3979C2 | 1.00 | 4.48 | 4.69 | 4.69 |
| #FFFFFF | 4.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#587EC5
Deuteranopia (green-blind)
#4371C1
Tritanopia (blue-blind)
#008A94
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #3979c2; /* rgb */ color: rgb(57, 121, 194); /* oklch */ color: oklch(57.0% 0.131 253.6);
Tailwind
colors: {
custom: {
50: '#7f9fd5',
500: '#3979c2',
950: '#000000',
},
}SCSS
$custom: #3979c2; $custom-light: #7f9fd5; $custom-dark: #000000;
JSON
{
"hex": "#3979c2",
"rgb": {
"r": 57,
"g": 121,
"b": 194
},
"hsl": {
"h": 211.971,
"s": 54.582,
"l": 49.216
},
"oklch": {
"l": 0.56971,
"c": 0.13088,
"h": 253.6
},
"luminance": 0.1844
}Semantic roles & 50–950 ramp
primary
#3979C2
secondary
#CBAD8B
accent
#994ADE
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83