#3537FF#3537FF
#3537FF is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 50.3% C 0.279 H 270.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).
Color values
| HEX | #3537FF |
|---|---|
| RGB | rgb(53, 55, 255) |
| HSL | hsl(239, 100%, 60%) |
| HSV | hsv(239, 79%, 100%) |
| CMYK | cmyk(79.2%, 78.4%, 0%, 0%) |
| CIE-LAB | lab(39.08, 64.26, -96.51) |
| CIE-LCH | lch(39.08, 115.95, 303.66°) |
| OKLab | oklab(50.26% 0.0004 -0.2795) |
| OKLCH | oklch(50.26% 0.279 270.1) |
| XYZ | xyz(20.8782, 10.7068, 95.5546) |
| Luminance | 0.1071 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Light Royal Blue
#3A2EFE
ΔE00 1.62
Vivid Blue
#152EFF
ΔE00 2.25
Vibrant Blue
#0339F8
ΔE00 2.30
Purpley Blue
#5F34E7
ΔE00 4.14
Purpleish Blue
#6140EF
ΔE00 4.21
Purplish Blue
#601EF9
ΔE00 4.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3537FF #FFFD35
analogous
#359CFF #3537FF #9835FF
triadic
#3537FF #FF3537 #37FF35
tetradic
#3537FF #FF359C #FFFD35 #35FF98
square
#3537FF #FF359C #FFFD35 #35FF98
split-complementary
#3537FF #FF9835 #9CFF35
monochromatic
#0002BA #0002F7 #3537FF #7274FF #AFB0FF
Accessibility & contrast
On white
6.68
#3537FF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.14
#3537FF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3537FF
6.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3537FF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3537FF | 1.00 | 6.68 | 3.14 | 6.68 |
| #FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0066FF
Deuteranopia (green-blind)
#0051FC
Tritanopia (blue-blind)
#00769C
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #3537ff; /* rgb */ color: rgb(53, 55, 255); /* oklch */ color: oklch(50.3% 0.279 270.1);
Tailwind
colors: {
custom: {
50: '#8f72ff',
500: '#3537ff',
950: '#000000',
},
}SCSS
$custom: #3537ff; $custom-light: #8f72ff; $custom-dark: #000000;
JSON
{
"hex": "#3537ff",
"rgb": {
"r": 53,
"g": 55,
"b": 255
},
"hsl": {
"h": 239.406,
"s": 100,
"l": 60.392
},
"oklch": {
"l": 0.50261,
"c": 0.27947,
"h": 270.1
},
"luminance": 0.10709
}Semantic roles & 50–950 ramp
primary
#3537FF
secondary
#EEEEA1
accent
#E300E6
background
#FAF7FF
surface
#F4EDFF
border
#CEC8D7
text
#0F0818
muted
#7F7B86