#3937AF#3937AF
#3937AF is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.2% C 0.184 H 275.8°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).
Color values
| HEX | #3937AF |
|---|---|
| RGB | rgb(57, 55, 175) |
| HSL | hsl(241, 52%, 45%) |
| HSV | hsv(241, 69%, 69%) |
| CMYK | cmyk(67.4%, 68.6%, 0%, 31.4%) |
| CIE-LAB | lab(31.11, 39.05, -63.53) |
| CIE-LCH | lch(31.11, 74.57, 301.58°) |
| OKLab | oklab(42.24% 0.0186 -0.1834) |
| OKLCH | oklch(42.24% 0.184 275.8) |
| XYZ | xyz(10.7889, 6.6964, 41.2731) |
| Luminance | 0.0670 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.79
Ocean Blue
#4F42B5
ΔE00 4.02
Blue Blue
#2242C7
ΔE00 4.85
Blue With A Hint Of Purple
#533CC6
ΔE00 4.95
Blueberry
#464196
ΔE00 5.27
Blurple
#5539CC
ΔE00 5.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3937AF #ADAF37
analogous
#3771AF #3937AF #7537AF
triadic
#3937AF #AF3937 #37AF39
tetradic
#3937AF #AF3771 #ADAF37 #37AF75
square
#3937AF #AF3771 #ADAF37 #37AF75
split-complementary
#3937AF #AF7537 #71AF37
monochromatic
#1B1A52 #2A2880 #3937AF #5A59CB #8887D9
Accessibility & contrast
On white
8.98
#3937AF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#3937AF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3937AF
8.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3937AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3937AF | 1.00 | 8.98 | 2.34 | 8.98 |
| #FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FB3
Deuteranopia (green-blind)
#0044AD
Tritanopia (blue-blind)
#00576E
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #3937af; /* rgb */ color: rgb(57, 55, 175); /* oklch */ color: oklch(42.2% 0.184 275.8);
Tailwind
colors: {
custom: {
50: '#7f6fc8',
500: '#3937af',
950: '#000000',
},
}SCSS
$custom: #3937af; $custom-light: #7f6fc8; $custom-dark: #000000;
JSON
{
"hex": "#3937af",
"rgb": {
"r": 57,
"g": 55,
"b": 175
},
"hsl": {
"h": 241,
"s": 52.174,
"l": 45.098
},
"oklch": {
"l": 0.42242,
"c": 0.18437,
"h": 275.8
},
"luminance": 0.06697
}Semantic roles & 50–950 ramp
primary
#3937AF
secondary
#C2C37F
accent
#DC4CD9
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0713
muted
#7C7A82