#3976CA#3976CA
#3976CA is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.8% C 0.145 H 257.1°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #3976CA |
|---|---|
| RGB | rgb(57, 118, 202) |
| HSL | hsl(215, 58%, 51%) |
| HSV | hsv(215, 72%, 79%) |
| CMYK | cmyk(71.8%, 41.6%, 0%, 20.8%) |
| CIE-LAB | lab(49.60, 8.67, -49.36) |
| CIE-LCH | lch(49.60, 50.11, 279.96°) |
| OKLab | oklab(56.79% -0.0323 -0.141) |
| OKLCH | oklch(56.79% 0.145 257.1) |
| XYZ | xyz(18.8226, 18.0889, 58.3652) |
| Luminance | 0.1809 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.94
Medium Blue
#2C6FBB
ΔE00 3.41
Bluish
#2976BB
ΔE00 3.47
Flat Blue
#3C73A8
ΔE00 4.14
Cerulean Blue
#056EEE
ΔE00 4.33
Deep Sky Blue
#0D75F8
ΔE00 4.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3976CA #CA8D39
analogous
#39BECA #3976CA #4439CA
triadic
#3976CA #CA3976 #76CA39
tetradic
#3976CA #CA39BE #CA8D39 #39CA44
square
#3976CA #CA39BE #CA8D39 #39CA44
split-complementary
#3976CA #CA4439 #BECA39
monochromatic
#1D3E6C #2A5A9C #3976CA #6997D7 #9AB9E4
Accessibility & contrast
On white
4.55
#3976CA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#3976CA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3976CA
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3976CA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3976CA | 1.00 | 4.55 | 4.62 | 4.62 |
| #FFFFFF | 4.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E7DCD
Deuteranopia (green-blind)
#3670C8
Tritanopia (blue-blind)
#008A96
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #3976ca; /* rgb */ color: rgb(57, 118, 202); /* oklch */ color: oklch(56.8% 0.145 257.1);
Tailwind
colors: {
custom: {
50: '#819dda',
500: '#3976ca',
950: '#000000',
},
}SCSS
$custom: #3976ca; $custom-light: #819dda; $custom-dark: #000000;
JSON
{
"hex": "#3976ca",
"rgb": {
"r": 57,
"g": 118,
"b": 202
},
"hsl": {
"h": 214.759,
"s": 57.769,
"l": 50.784
},
"oklch": {
"l": 0.56789,
"c": 0.14465,
"h": 257.1
},
"luminance": 0.18091
}Semantic roles & 50–950 ramp
primary
#3976CA
secondary
#D0B58F
accent
#A047E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83