#3B489B#3B489B
#3B489B is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.135 H 272.9°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).
Color values
| HEX | #3B489B |
|---|---|
| RGB | rgb(59, 72, 155) |
| HSL | hsl(232, 45%, 42%) |
| HSV | hsv(232, 62%, 61%) |
| CMYK | cmyk(61.9%, 53.5%, 0%, 39.2%) |
| CIE-LAB | lab(33.84, 21.50, -47.05) |
| CIE-LCH | lch(33.84, 51.73, 294.56°) |
| OKLab | oklab(43.79% 0.0067 -0.1349) |
| OKLCH | oklch(43.79% 0.135 272.9) |
| XYZ | xyz(10.0354, 7.9303, 32.0058) |
| Luminance | 0.0793 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 3.69
Cobalt (survey)
#1E488F
ΔE00 5.07
Cobalt
#0047AB
ΔE00 5.14
Darkslateblue
#483D8B
ΔE00 5.67
Twilight
#4E518B
ΔE00 5.73
Sapphire (survey)
#2138AB
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B489B #9B8E3B
analogous
#3B789B #3B489B #5E3B9B
triadic
#3B489B #9B3B48 #489B3B
tetradic
#3B489B #9B3B78 #9B8E3B #3B9B5E
square
#3B489B #9B3B78 #9B8E3B #3B9B5E
split-complementary
#3B489B #9B5E3B #789B3B
monochromatic
#191F42 #2A336F #3B489B #5563BE #818CCF
Accessibility & contrast
On white
8.12
#3B489B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.59
#3B489B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3B489B
8.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B489B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B489B | 1.00 | 8.12 | 2.59 | 8.12 |
| #FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#15549E
Deuteranopia (green-blind)
#004C99
Tritanopia (blue-blind)
#005B6A
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #3b489b; /* rgb */ color: rgb(59, 72, 155); /* oklch */ color: oklch(43.8% 0.135 272.9);
Tailwind
colors: {
custom: {
50: '#7b7ab9',
500: '#3b489b',
950: '#000000',
},
}SCSS
$custom: #3b489b; $custom-light: #7b7ab9; $custom-dark: #000000;
JSON
{
"hex": "#3b489b",
"rgb": {
"r": 59,
"g": 72,
"b": 155
},
"hsl": {
"h": 231.875,
"s": 44.86,
"l": 41.961
},
"oklch": {
"l": 0.43787,
"c": 0.13504,
"h": 272.9
},
"luminance": 0.07931
}Semantic roles & 50–950 ramp
primary
#3B489B
secondary
#B9B079
accent
#C353D5
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#0A0911
muted
#7C7B80