#3948A3#3948A3
#3948A3 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.147 H 272.0°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3948A3 |
|---|---|
| RGB | rgb(57, 72, 163) |
| HSL | hsl(232, 48%, 43%) |
| HSV | hsv(232, 65%, 64%) |
| CMYK | cmyk(65%, 55.8%, 0%, 36.1%) |
| CIE-LAB | lab(34.29, 24.01, -51.15) |
| CIE-LCH | lch(34.29, 56.50, 295.15°) |
| OKLab | oklab(44.28% 0.005 -0.147) |
| OKLCH | oklch(44.28% 0.147 272) |
| XYZ | xyz(10.6134, 8.1480, 35.6566) |
| Luminance | 0.0815 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 4.17
Cobalt
#0047AB
ΔE00 4.52
Sapphire (survey)
#2138AB
ΔE00 5.18
Blue Blue
#2242C7
ΔE00 5.37
Cobalt (survey)
#1E488F
ΔE00 5.39
Ocean Blue
#4F42B5
ΔE00 5.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3948A3 #A39439
analogous
#397DA3 #3948A3 #5F39A3
triadic
#3948A3 #A33948 #48A339
tetradic
#3948A3 #A3397D #A39439 #39A35F
square
#3948A3 #A3397D #A39439 #39A35F
split-complementary
#3948A3 #A35F39 #7DA339
monochromatic
#192048 #293476 #3948A3 #5565C4 #838ED4
Accessibility & contrast
On white
7.99
#3948A3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#3948A3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3948A3
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3948A3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3948A3 | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056A6
Deuteranopia (green-blind)
#004CA1
Tritanopia (blue-blind)
#005E6E
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3948a3; /* rgb */ color: rgb(57, 72, 163); /* oklch */ color: oklch(44.3% 0.147 272.0);
Tailwind
colors: {
custom: {
50: '#7b7abf',
500: '#3948a3',
950: '#000000',
},
}SCSS
$custom: #3948a3; $custom-light: #7b7abf; $custom-dark: #000000;
JSON
{
"hex": "#3948a3",
"rgb": {
"r": 57,
"g": 72,
"b": 163
},
"hsl": {
"h": 231.509,
"s": 48.182,
"l": 43.137
},
"oklch": {
"l": 0.44277,
"c": 0.14707,
"h": 272
},
"luminance": 0.08149
}Semantic roles & 50–950 ramp
primary
#3948A3
secondary
#BDB47A
accent
#C550D8
background
#F8F7FB
surface
#EFEDF7
border
#CAC8D0
text
#0A0912
muted
#7C7B81