#3B4EA3#3B4EA3
#3B4EA3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.139 H 270.5°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).
Color values
| HEX | #3B4EA3 |
|---|---|
| RGB | rgb(59, 78, 163) |
| HSL | hsl(229, 47%, 44%) |
| HSV | hsv(229, 64%, 64%) |
| CMYK | cmyk(63.8%, 52.1%, 0%, 36.1%) |
| CIE-LAB | lab(36.03, 20.41, -48.34) |
| CIE-LCH | lch(36.03, 52.47, 292.90°) |
| OKLab | oklab(45.62% 0.0013 -0.1386) |
| OKLCH | oklch(45.62% 0.139 270.5) |
| XYZ | xyz(11.1367, 9.0220, 35.7978) |
| Luminance | 0.0902 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 4.66
Sapphire
#0F52BA
ΔE00 5.02
Cobalt (survey)
#1E488F
ΔE00 5.10
Blueberry
#464196
ΔE00 5.62
Denim Blue
#3B5B92
ΔE00 5.70
Twilight
#4E518B
ΔE00 6.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B4EA3 #A3903B
analogous
#3B82A3 #3B4EA3 #5C3BA3
triadic
#3B4EA3 #A33B4E #4EA33B
tetradic
#3B4EA3 #A33B82 #A3903B #3BA35C
square
#3B4EA3 #A33B82 #A3903B #3BA35C
split-complementary
#3B4EA3 #A35C3B #82A33B
monochromatic
#1A2349 #2B3876 #3B4EA3 #586CC3 #8594D3
Accessibility & contrast
On white
7.49
#3B4EA3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.80
#3B4EA3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3B4EA3
7.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B4EA3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B4EA3 | 1.00 | 7.49 | 2.80 | 7.49 |
| #FFFFFF | 7.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.80 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1C5AA6
Deuteranopia (green-blind)
#0050A1
Tritanopia (blue-blind)
#006271
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #3b4ea3; /* rgb */ color: rgb(59, 78, 163); /* oklch */ color: oklch(45.6% 0.139 270.5);
Tailwind
colors: {
custom: {
50: '#7c7fbf',
500: '#3b4ea3',
950: '#000000',
},
}SCSS
$custom: #3b4ea3; $custom-light: #7c7fbf; $custom-dark: #000000;
JSON
{
"hex": "#3b4ea3",
"rgb": {
"r": 59,
"g": 78,
"b": 163
},
"hsl": {
"h": 229.038,
"s": 46.847,
"l": 43.529
},
"oklch": {
"l": 0.45616,
"c": 0.13858,
"h": 270.5
},
"luminance": 0.09023
}Semantic roles & 50–950 ramp
primary
#3B4EA3
secondary
#BDB17D
accent
#BE51D6
background
#F8F7FB
surface
#EFEEF7
border
#CAC9D0
text
#0A0A12
muted
#7C7C81