#3F58A4#3F58A4
#3F58A4 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.0% C 0.126 H 267.8°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).
Color values
| HEX | #3F58A4 |
|---|---|
| RGB | rgb(63, 88, 164) |
| HSL | hsl(225, 44%, 45%) |
| HSV | hsv(225, 62%, 64%) |
| CMYK | cmyk(61.6%, 46.3%, 0%, 35.7%) |
| CIE-LAB | lab(39.10, 14.99, -43.99) |
| CIE-LCH | lch(39.10, 46.47, 288.82°) |
| OKLab | oklab(48.03% -0.0048 -0.1256) |
| OKLCH | oklch(48.03% 0.126 267.8) |
| XYZ | xyz(12.2382, 10.7155, 36.5381) |
| Luminance | 0.1072 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim Blue
#3B5B92
ΔE00 3.25
Dusky Blue
#475F94
ΔE00 3.57
Sapphire
#0F52BA
ΔE00 4.75
Dusk Blue
#26538D
ΔE00 5.33
Light Navy Blue
#2E5A88
ΔE00 5.87
Denim
#1560BD
ΔE00 6.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F58A4 #A48B3F
analogous
#3F8AA4 #3F58A4 #593FA4
triadic
#3F58A4 #A43F58 #58A43F
tetradic
#3F58A4 #A43F8A #A48B3F #3FA459
square
#3F58A4 #A43F8A #A48B3F #3FA459
split-complementary
#3F58A4 #A4593F #8AA43F
monochromatic
#1D294C #2E4078 #3F58A4 #5F77C1 #8B9DD2
Accessibility & contrast
On white
6.68
#3F58A4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.14
#3F58A4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F58A4
6.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F58A4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F58A4 | 1.00 | 6.68 | 3.14 | 6.68 |
| #FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3461A7
Deuteranopia (green-blind)
#2458A2
Tritanopia (blue-blind)
#006976
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #3f58a4; /* rgb */ color: rgb(63, 88, 164); /* oklch */ color: oklch(48.0% 0.126 267.8);
Tailwind
colors: {
custom: {
50: '#7d86bf',
500: '#3f58a4',
950: '#000000',
},
}SCSS
$custom: #3f58a4; $custom-light: #7d86bf; $custom-dark: #000000;
JSON
{
"hex": "#3f58a4",
"rgb": {
"r": 63,
"g": 88,
"b": 164
},
"hsl": {
"h": 225.149,
"s": 44.493,
"l": 44.51
},
"oklch": {
"l": 0.48033,
"c": 0.12565,
"h": 267.8
},
"luminance": 0.10717
}Semantic roles & 50–950 ramp
primary
#3F58A4
secondary
#BDAE82
accent
#B454D4
background
#F8F8FB
surface
#EFEFF7
border
#CACAD0
text
#0A0B12
muted
#7C7C81