#3647C4#3647C4
#3647C4 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.7% C 0.194 H 270.7°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).
Color values
| HEX | #3647C4 |
|---|---|
| RGB | rgb(54, 71, 196) |
| HSL | hsl(233, 57%, 49%) |
| HSV | hsv(233, 72%, 77%) |
| CMYK | cmyk(72.4%, 63.8%, 0%, 23.1%) |
| CIE-LAB | lab(36.51, 36.05, -67.07) |
| CIE-LCH | lch(36.51, 76.15, 298.26°) |
| OKLab | oklab(46.7% 0.0025 -0.1938) |
| OKLCH | oklch(46.7% 0.194 270.7) |
| XYZ | xyz(13.7350, 9.2749, 53.2802) |
| Luminance | 0.0928 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 1.91
Blue (survey)
#0343DF
ΔE00 3.53
Ocean Blue
#4F42B5
ΔE00 4.28
Blue With A Hint Of Purple
#533CC6
ΔE00 5.21
Sapphire (survey)
#2138AB
ΔE00 5.60
Blurple
#5539CC
ΔE00 5.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3647C4 #C4B336
analogous
#368EC4 #3647C4 #6C36C4
triadic
#3647C4 #C43647 #47C436
tetradic
#3647C4 #C4368E #C4B336 #36C46C
square
#3647C4 #C4368E #C4B336 #36C46C
split-complementary
#3647C4 #C46C36 #8EC436
monochromatic
#1C2464 #293694 #3647C4 #6371D4 #939CE1
Accessibility & contrast
On white
7.36
#3647C4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.86
#3647C4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3647C4
7.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3647C4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3647C4 | 1.00 | 7.36 | 2.86 | 7.36 |
| #FFFFFF | 7.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.86 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.36 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005DC8
Deuteranopia (green-blind)
#004FC2
Tritanopia (blue-blind)
#00687F
Achromatopsia (no color)
#565656
Design tokens & code
CSS
--color: #3647c4; /* rgb */ color: rgb(54, 71, 196); /* oklch */ color: oklch(46.7% 0.194 270.7);
Tailwind
colors: {
custom: {
50: '#817ad7',
500: '#3647c4',
950: '#000000',
},
}SCSS
$custom: #3647c4; $custom-light: #817ad7; $custom-dark: #000000;
JSON
{
"hex": "#3647c4",
"rgb": {
"r": 54,
"g": 71,
"b": 196
},
"hsl": {
"h": 232.817,
"s": 56.8,
"l": 49.02
},
"oklch": {
"l": 0.46702,
"c": 0.19384,
"h": 270.7
},
"luminance": 0.09276
}Semantic roles & 50–950 ramp
primary
#3647C4
secondary
#CCC489
accent
#CE48E0
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0914
muted
#7D7B83