#3947A2#3947A2
#3947A2 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.0% C 0.147 H 272.3°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).
Color values
| HEX | #3947A2 |
|---|---|
| RGB | rgb(57, 71, 162) |
| HSL | hsl(232, 48%, 43%) |
| HSV | hsv(232, 65%, 64%) |
| CMYK | cmyk(64.8%, 56.2%, 0%, 36.5%) |
| CIE-LAB | lab(33.95, 24.31, -51.10) |
| CIE-LCH | lch(33.95, 56.59, 295.44°) |
| OKLab | oklab(44% 0.0059 -0.1468) |
| OKLCH | oklch(44% 0.147 272.3) |
| XYZ | xyz(10.4600, 7.9841, 35.1653) |
| Luminance | 0.0799 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 3.90
Cobalt
#0047AB
ΔE00 4.65
Sapphire (survey)
#2138AB
ΔE00 4.96
Ocean Blue
#4F42B5
ΔE00 5.38
Blue Blue
#2242C7
ΔE00 5.41
Cobalt (survey)
#1E488F
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3947A2 #A29439
analogous
#397BA2 #3947A2 #5F39A2
triadic
#3947A2 #A23947 #47A239
tetradic
#3947A2 #A2397B #A29439 #39A25F
square
#3947A2 #A2397B #A29439 #39A25F
split-complementary
#3947A2 #A25F39 #7BA239
monochromatic
#191F47 #293375 #3947A2 #5564C3 #828DD3
Accessibility & contrast
On white
8.09
#3947A2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.60
#3947A2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3947A2
8.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3947A2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3947A2 | 1.00 | 8.09 | 2.60 | 8.09 |
| #FFFFFF | 8.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0055A5
Deuteranopia (green-blind)
#004BA0
Tritanopia (blue-blind)
#005D6D
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #3947a2; /* rgb */ color: rgb(57, 71, 162); /* oklch */ color: oklch(44.0% 0.147 272.3);
Tailwind
colors: {
custom: {
50: '#7b7abe',
500: '#3947a2',
950: '#000000',
},
}SCSS
$custom: #3947a2; $custom-light: #7b7abe; $custom-dark: #000000;
JSON
{
"hex": "#3947a2",
"rgb": {
"r": 57,
"g": 71,
"b": 162
},
"hsl": {
"h": 232,
"s": 47.945,
"l": 42.941
},
"oklch": {
"l": 0.43999,
"c": 0.14696,
"h": 272.3
},
"luminance": 0.07985
}Semantic roles & 50–950 ramp
primary
#3947A2
secondary
#BDB47A
accent
#C550D8
background
#F7F7FB
surface
#EEEDF7
border
#C9C8D0
text
#0A0912
muted
#7C7B81