#3537B2#3537B2
#3537B2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.3% C 0.189 H 274.0°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).
Color values
| HEX | #3537B2 |
|---|---|
| RGB | rgb(53, 55, 178) |
| HSL | hsl(239, 54%, 45%) |
| HSV | hsv(239, 70%, 70%) |
| CMYK | cmyk(70.2%, 69.1%, 0%, 30.2%) |
| CIE-LAB | lab(31.12, 39.58, -65.30) |
| CIE-LCH | lch(31.12, 76.36, 301.22°) |
| OKLab | oklab(42.27% 0.0134 -0.1887) |
| OKLCH | oklch(42.27% 0.189 274) |
| XYZ | xyz(10.8676, 6.7026, 42.8318) |
| Luminance | 0.0670 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.51
Ocean Blue
#4F42B5
ΔE00 4.25
Blue Blue
#2242C7
ΔE00 4.42
Blue With A Hint Of Purple
#533CC6
ΔE00 5.01
Blurple
#5539CC
ΔE00 5.65
Blueberry
#464196
ΔE00 5.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3537B2 #B2B035
analogous
#3575B2 #3537B2 #7135B2
triadic
#3537B2 #B23537 #37B235
tetradic
#3537B2 #B23575 #B2B035 #35B271
square
#3537B2 #B23575 #B2B035 #35B271
split-complementary
#3537B2 #B27135 #75B235
monochromatic
#191A54 #272883 #3537B2 #5759CD #8688DB
Accessibility & contrast
On white
8.97
#3537B2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#3537B2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3537B2
8.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3537B2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3537B2 | 1.00 | 8.97 | 2.34 | 8.97 |
| #FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FB6
Deuteranopia (green-blind)
#0043B0
Tritanopia (blue-blind)
#005870
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #3537b2; /* rgb */ color: rgb(53, 55, 178); /* oklch */ color: oklch(42.3% 0.189 274.0);
Tailwind
colors: {
custom: {
50: '#7e6eca',
500: '#3537b2',
950: '#000000',
},
}SCSS
$custom: #3537b2; $custom-light: #7e6eca; $custom-dark: #000000;
JSON
{
"hex": "#3537b2",
"rgb": {
"r": 53,
"g": 55,
"b": 178
},
"hsl": {
"h": 239.04,
"s": 54.113,
"l": 45.294
},
"oklch": {
"l": 0.42268,
"c": 0.1892,
"h": 274
},
"luminance": 0.06704
}Semantic roles & 50–950 ramp
primary
#3537B2
secondary
#C5C47E
accent
#DB4ADD
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0713
muted
#7C7A82