#3974C4#3974C4
#3974C4 is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 56.0% C 0.139 H 256.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).
Color values
| HEX | #3974C4 |
|---|---|
| RGB | rgb(57, 116, 196) |
| HSL | hsl(215, 55%, 50%) |
| HSV | hsv(215, 71%, 77%) |
| CMYK | cmyk(70.9%, 40.8%, 0%, 23.1%) |
| CIE-LAB | lab(48.69, 7.72, -47.38) |
| CIE-LCH | lch(48.69, 48.00, 279.26°) |
| OKLab | oklab(55.97% -0.0318 -0.1352) |
| OKLCH | oklch(55.97% 0.139 256.8) |
| XYZ | xyz(17.8929, 17.3442, 54.6186) |
| Luminance | 0.1735 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.01
Medium Blue
#2C6FBB
ΔE00 2.52
Bluish
#2976BB
ΔE00 3.19
Flat Blue
#3C73A8
ΔE00 3.44
Mid Blue
#276AB3
ΔE00 4.41
French Blue
#436BAD
ΔE00 4.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3974C4 #C48939
analogous
#39BAC4 #3974C4 #4339C4
triadic
#3974C4 #C43974 #74C439
tetradic
#3974C4 #C439BA #C48939 #39C443
square
#3974C4 #C439BA #C48939 #39C443
split-complementary
#3974C4 #C44339 #BAC439
monochromatic
#1D3C65 #2B5895 #3974C4 #6795D3 #97B6E1
Accessibility & contrast
On white
4.70
#3974C4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.47
#3974C4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3974C4
4.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3974C4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3974C4 | 1.00 | 4.70 | 4.47 | 4.70 |
| #FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E7BC7
Deuteranopia (green-blind)
#386EC2
Tritanopia (blue-blind)
#008792
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #3974c4; /* rgb */ color: rgb(57, 116, 196); /* oklch */ color: oklch(56.0% 0.139 256.8);
Tailwind
colors: {
custom: {
50: '#809bd6',
500: '#3974c4',
950: '#000000',
},
}SCSS
$custom: #3974c4; $custom-light: #809bd6; $custom-dark: #000000;
JSON
{
"hex": "#3974c4",
"rgb": {
"r": 57,
"g": 116,
"b": 196
},
"hsl": {
"h": 214.532,
"s": 54.941,
"l": 49.608
},
"oklch": {
"l": 0.5597,
"c": 0.13889,
"h": 256.8
},
"luminance": 0.17346
}Semantic roles & 50–950 ramp
primary
#3974C4
secondary
#CCB18D
accent
#9F4ADE
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0B0E14
muted
#7C7E83