#3752B1#3752B1
#3752B1 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.3% C 0.154 H 268.0°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3752B1 |
|---|---|
| RGB | rgb(55, 82, 177) |
| HSL | hsl(227, 53%, 45%) |
| HSV | hsv(227, 69%, 69%) |
| CMYK | cmyk(68.9%, 53.7%, 0%, 30.6%) |
| CIE-LAB | lab(37.88, 22.21, -53.68) |
| CIE-LCH | lch(37.88, 58.10, 292.48°) |
| OKLab | oklab(47.27% -0.0053 -0.1543) |
| OKLCH | oklch(47.27% 0.154 268) |
| XYZ | xyz(12.5259, 10.0199, 42.8604) |
| Luminance | 0.1002 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 3.28
Cobalt
#0047AB
ΔE00 4.69
Denim Blue
#3B5B92
ΔE00 5.53
Blue Blue
#2242C7
ΔE00 5.84
Cobalt (survey)
#1E488F
ΔE00 6.22
Dusky Blue
#475F94
ΔE00 6.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3752B1 #B19637
analogous
#378FB1 #3752B1 #5937B1
triadic
#3752B1 #B13752 #52B137
tetradic
#3752B1 #B1378F #B19637 #37B159
square
#3752B1 #B1378F #B19637 #37B159
split-complementary
#3752B1 #B15937 #8FB137
monochromatic
#1A2754 #283C82 #3752B1 #5A73CC #889ADA
Accessibility & contrast
On white
6.99
#3752B1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.00
#3752B1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3752B1
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3752B1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3752B1 | 1.00 | 6.99 | 3.00 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0E5FB4
Deuteranopia (green-blind)
#0054AF
Tritanopia (blue-blind)
#006979
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #3752b1; /* rgb */ color: rgb(55, 82, 177); /* oklch */ color: oklch(47.3% 0.154 268.0);
Tailwind
colors: {
custom: {
50: '#7c82c9',
500: '#3752b1',
950: '#000000',
},
}SCSS
$custom: #3752b1; $custom-light: #7c82c9; $custom-dark: #000000;
JSON
{
"hex": "#3752b1",
"rgb": {
"r": 55,
"g": 82,
"b": 177
},
"hsl": {
"h": 226.721,
"s": 52.586,
"l": 45.49
},
"oklch": {
"l": 0.47269,
"c": 0.15443,
"h": 268
},
"luminance": 0.10021
}Semantic roles & 50–950 ramp
primary
#3752B1
secondary
#C4B580
accent
#BC4CDC
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0B0A13
muted
#7C7C82