#3B489A#3B489A
#3B489A is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.7% C 0.134 H 272.9°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).
Color values
| HEX | #3B489A |
|---|---|
| RGB | rgb(59, 72, 154) |
| HSL | hsl(232, 45%, 42%) |
| HSV | hsv(232, 62%, 60%) |
| CMYK | cmyk(61.7%, 53.2%, 0%, 39.6%) |
| CIE-LAB | lab(33.77, 21.15, -46.56) |
| CIE-LCH | lch(33.77, 51.14, 294.43°) |
| OKLab | oklab(43.71% 0.0067 -0.1334) |
| OKLCH | oklch(43.71% 0.134 272.9) |
| XYZ | xyz(9.9518, 7.8968, 31.5654) |
| Luminance | 0.0790 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 3.69
Cobalt (survey)
#1E488F
ΔE00 5.01
Cobalt
#0047AB
ΔE00 5.20
Twilight
#4E518B
ΔE00 5.63
Darkslateblue
#483D8B
ΔE00 5.63
Sapphire (survey)
#2138AB
ΔE00 5.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B489A #9A8D3B
analogous
#3B789A #3B489A #5D3B9A
triadic
#3B489A #9A3B48 #489A3B
tetradic
#3B489A #9A3B78 #9A8D3B #3B9A5D
square
#3B489A #9A3B78 #9A8D3B #3B9A5D
split-complementary
#3B489A #9A5D3B #789A3B
monochromatic
#191F42 #2A336E #3B489A #5563BE #818BCF
Accessibility & contrast
On white
8.14
#3B489A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#3B489A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3B489A
8.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B489A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B489A | 1.00 | 8.14 | 2.58 | 8.14 |
| #FFFFFF | 8.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#17549D
Deuteranopia (green-blind)
#004B98
Tritanopia (blue-blind)
#005B6A
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #3b489a; /* rgb */ color: rgb(59, 72, 154); /* oklch */ color: oklch(43.7% 0.134 272.9);
Tailwind
colors: {
custom: {
50: '#7a7ab8',
500: '#3b489a',
950: '#000000',
},
}SCSS
$custom: #3b489a; $custom-light: #7a7ab8; $custom-dark: #000000;
JSON
{
"hex": "#3b489a",
"rgb": {
"r": 59,
"g": 72,
"b": 154
},
"hsl": {
"h": 231.789,
"s": 44.601,
"l": 41.765
},
"oklch": {
"l": 0.43712,
"c": 0.1336,
"h": 272.9
},
"luminance": 0.07898
}Semantic roles & 50–950 ramp
primary
#3B489A
secondary
#B8B078
accent
#C353D4
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#0A0911
muted
#7C7B80