#3752BE#3752BE
#3752BE is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.3% C 0.172 H 268.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).
Color values
| HEX | #3752BE |
|---|---|
| RGB | rgb(55, 82, 190) |
| HSL | hsl(228, 55%, 48%) |
| HSV | hsv(228, 71%, 75%) |
| CMYK | cmyk(71.1%, 56.8%, 0%, 25.5%) |
| CIE-LAB | lab(38.83, 26.97, -59.77) |
| CIE-LCH | lch(38.83, 65.57, 294.29°) |
| OKLab | oklab(48.29% -0.0045 -0.1722) |
| OKLCH | oklch(48.29% 0.172 268.5) |
| XYZ | xyz(13.8839, 10.5631, 50.0124) |
| Luminance | 0.1056 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 3.64
Blue Blue
#2242C7
ΔE00 5.00
Warm Blue
#4B57DB
ΔE00 5.18
Cobalt
#0047AB
ΔE00 5.51
Blue (survey)
#0343DF
ΔE00 5.89
Azul
#1D5DEC
ΔE00 6.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3752BE #BEA337
analogous
#3795BE #3752BE #5F37BE
triadic
#3752BE #BE3752 #52BE37
tetradic
#3752BE #BE3795 #BEA337 #37BE5F
square
#3752BE #BE3795 #BEA337 #37BE5F
split-complementary
#3752BE #BE5F37 #95BE37
monochromatic
#1C295F #293E8F #3752BE #6177D1 #90A0DF
Accessibility & contrast
On white
6.75
#3752BE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.11
#3752BE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3752BE
6.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3752BE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3752BE | 1.00 | 6.75 | 3.11 | 6.75 |
| #FFFFFF | 6.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0062C2
Deuteranopia (green-blind)
#0055BC
Tritanopia (blue-blind)
#006D80
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #3752be; /* rgb */ color: rgb(55, 82, 190); /* oklch */ color: oklch(48.3% 0.172 268.5);
Tailwind
colors: {
custom: {
50: '#7f82d2',
500: '#3752be',
950: '#000000',
},
}SCSS
$custom: #3752be; $custom-light: #7f82d2; $custom-dark: #000000;
JSON
{
"hex": "#3752be",
"rgb": {
"r": 55,
"g": 82,
"b": 190
},
"hsl": {
"h": 228,
"s": 55.102,
"l": 48.039
},
"oklch": {
"l": 0.4829,
"c": 0.1723,
"h": 268.5
},
"luminance": 0.10565
}Semantic roles & 50–950 ramp
primary
#3752BE
secondary
#CABC87
accent
#C149DE
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0B0A14
muted
#7C7C83