#3744AE#3744AE
#3744AE is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.3% C 0.168 H 272.2°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).
Color values
| HEX | #3744AE |
|---|---|
| RGB | rgb(55, 68, 174) |
| HSL | hsl(233, 52%, 45%) |
| HSV | hsv(233, 68%, 68%) |
| CMYK | cmyk(68.4%, 60.9%, 0%, 31.8%) |
| CIE-LAB | lab(33.99, 30.26, -58.22) |
| CIE-LCH | lch(33.99, 65.62, 297.46°) |
| OKLab | oklab(44.29% 0.0065 -0.1679) |
| OKLCH | oklch(44.29% 0.168 272.2) |
| XYZ | xyz(11.2801, 8.0014, 40.9862) |
| Luminance | 0.0800 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.50
Sapphire (survey)
#2138AB
ΔE00 3.74
Ocean Blue
#4F42B5
ΔE00 4.05
Blueberry
#464196
ΔE00 4.59
Cobalt
#0047AB
ΔE00 4.95
Blue (survey)
#0343DF
ΔE00 6.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3744AE #AEA137
analogous
#3780AE #3744AE #6537AE
triadic
#3744AE #AE3744 #44AE37
tetradic
#3744AE #AE3780 #AEA137 #37AE65
square
#3744AE #AE3780 #AEA137 #37AE65
split-complementary
#3744AE #AE6537 #80AE37
monochromatic
#1A2051 #28327F #3744AE #5864CA #868FD9
Accessibility & contrast
On white
8.08
#3744AE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.60
#3744AE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3744AE
8.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3744AE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3744AE | 1.00 | 8.08 | 2.60 | 8.08 |
| #FFFFFF | 8.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0055B1
Deuteranopia (green-blind)
#004BAC
Tritanopia (blue-blind)
#005F72
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #3744ae; /* rgb */ color: rgb(55, 68, 174); /* oklch */ color: oklch(44.3% 0.168 272.2);
Tailwind
colors: {
custom: {
50: '#7d77c7',
500: '#3744ae',
950: '#000000',
},
}SCSS
$custom: #3744ae; $custom-light: #7d77c7; $custom-dark: #000000;
JSON
{
"hex": "#3744ae",
"rgb": {
"r": 55,
"g": 68,
"b": 174
},
"hsl": {
"h": 233.445,
"s": 51.965,
"l": 44.902
},
"oklch": {
"l": 0.44287,
"c": 0.168,
"h": 272.2
},
"luminance": 0.08002
}Semantic roles & 50–950 ramp
primary
#3744AE
secondary
#C3BB7E
accent
#CC4CDB
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0813
muted
#7C7B82