#3A37AF#3A37AF
#3A37AF is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.3% C 0.184 H 276.2°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).
Color values
| HEX | #3A37AF |
|---|---|
| RGB | rgb(58, 55, 175) |
| HSL | hsl(242, 52%, 45%) |
| HSV | hsv(242, 69%, 69%) |
| CMYK | cmyk(66.9%, 68.6%, 0%, 31.4%) |
| CIE-LAB | lab(31.18, 39.18, -63.41) |
| CIE-LCH | lch(31.18, 74.54, 301.71°) |
| OKLab | oklab(42.31% 0.0198 -0.1831) |
| OKLCH | oklch(42.31% 0.184 276.2) |
| XYZ | xyz(10.8464, 6.7261, 41.2758) |
| Luminance | 0.0673 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.92
Ocean Blue
#4F42B5
ΔE00 3.94
Blue With A Hint Of Purple
#533CC6
ΔE00 4.86
Blue Blue
#2242C7
ΔE00 4.90
Blueberry
#464196
ΔE00 5.25
Blurple
#5539CC
ΔE00 5.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A37AF #ACAF37
analogous
#3770AF #3A37AF #7637AF
triadic
#3A37AF #AF3A37 #37AF3A
tetradic
#3A37AF #AF3770 #ACAF37 #37AF76
square
#3A37AF #AF3770 #ACAF37 #37AF76
split-complementary
#3A37AF #AF7637 #70AF37
monochromatic
#1B1A52 #2B2880 #3A37AF #5B59CB #8987D9
Accessibility & contrast
On white
8.95
#3A37AF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#3A37AF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3A37AF
8.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A37AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3A37AF | 1.00 | 8.95 | 2.35 | 8.95 |
| #FFFFFF | 8.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.95 | 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: #3a37af; /* rgb */ color: rgb(58, 55, 175); /* oklch */ color: oklch(42.3% 0.184 276.2);
Tailwind
colors: {
custom: {
50: '#7f6fc8',
500: '#3a37af',
950: '#000000',
},
}SCSS
$custom: #3a37af; $custom-light: #7f6fc8; $custom-dark: #000000;
JSON
{
"hex": "#3a37af",
"rgb": {
"r": 58,
"g": 55,
"b": 175
},
"hsl": {
"h": 241.5,
"s": 52.174,
"l": 45.098
},
"oklch": {
"l": 0.4231,
"c": 0.18413,
"h": 276.2
},
"luminance": 0.06727
}Semantic roles & 50–950 ramp
primary
#3A37AF
secondary
#C2C37F
accent
#DC4CD8
background
#F8F6FC
surface
#F0ECF8
border
#CBC7D1
text
#0B0713
muted
#7C7A82