#3737D3#3737D3
#3737D3 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.7% C 0.229 H 272.6°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).
Color values
| HEX | #3737D3 |
|---|---|
| RGB | rgb(55, 55, 211) |
| HSL | hsl(240, 64%, 52%) |
| HSV | hsv(240, 74%, 83%) |
| CMYK | cmyk(73.9%, 73.9%, 0%, 17.3%) |
| CIE-LAB | lab(34.49, 50.73, -79.10) |
| CIE-LCH | lch(34.49, 93.97, 302.67°) |
| OKLab | oklab(45.69% 0.0106 -0.2289) |
| OKLCH | oklch(45.69% 0.229 272.6) |
| XYZ | xyz(14.6957, 8.2462, 62.4326) |
| Luminance | 0.0825 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blurple
#5539CC
ΔE00 3.34
Blue With A Hint Of Purple
#533CC6
ΔE00 3.41
Blue Blue
#2242C7
ΔE00 4.12
Blue (survey)
#0343DF
ΔE00 4.25
Vibrant Blue
#0339F8
ΔE00 4.31
Vivid Blue
#152EFF
ΔE00 4.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3737D3 #D3D337
analogous
#3785D3 #3737D3 #8537D3
triadic
#3737D3 #D33737 #37D337
tetradic
#3737D3 #D33785 #D3D337 #37D385
square
#3737D3 #D33785 #D3D337 #37D385
split-complementary
#3737D3 #D38537 #85D337
monochromatic
#1A1A76 #2525A8 #3737D3 #6969DE #9B9BE9
Accessibility & contrast
On white
7.93
#3737D3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#3737D3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3737D3
7.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3737D3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3737D3 | 1.00 | 7.93 | 2.65 | 7.93 |
| #FFFFFF | 7.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059D8
Deuteranopia (green-blind)
#0049D0
Tritanopia (blue-blind)
#006482
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3737d3; /* rgb */ color: rgb(55, 55, 211); /* oklch */ color: oklch(45.7% 0.229 272.6);
Tailwind
colors: {
custom: {
50: '#8670e2',
500: '#3737d3',
950: '#000000',
},
}SCSS
$custom: #3737d3; $custom-light: #8670e2; $custom-dark: #000000;
JSON
{
"hex": "#3737d3",
"rgb": {
"r": 55,
"g": 55,
"b": 211
},
"hsl": {
"h": 240,
"s": 63.934,
"l": 52.157
},
"oklch": {
"l": 0.45686,
"c": 0.22916,
"h": 272.6
},
"luminance": 0.08248
}Semantic roles & 50–950 ramp
primary
#3737D3
secondary
#D5D591
accent
#E741E7
background
#F9F6FE
surface
#F1ECFC
border
#CBC7D5
text
#0D0816
muted
#7E7B84