#403BA1#403BA1
#403BA1 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.160 H 279.2°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).
Color values
| HEX | #403BA1 |
|---|---|
| RGB | rgb(64, 59, 161) |
| HSL | hsl(243, 46%, 43%) |
| HSV | hsv(243, 63%, 63%) |
| CMYK | cmyk(60.2%, 63.4%, 0%, 36.9%) |
| CIE-LAB | lab(31.32, 32.91, -54.74) |
| CIE-LCH | lch(31.32, 63.87, 301.02°) |
| OKLab | oklab(42.16% 0.0256 -0.1574) |
| OKLCH | oklch(42.16% 0.16 279.2) |
| XYZ | xyz(10.1093, 6.7904, 34.4893) |
| Luminance | 0.0679 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.86
Sapphire (survey)
#2138AB
ΔE00 3.72
Ocean Blue
#4F42B5
ΔE00 3.95
Darkslateblue
#483D8B
ΔE00 4.27
Blue With A Hint Of Purple
#533CC6
ΔE00 6.05
Blue Blue
#2242C7
ΔE00 6.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403BA1 #9CA13B
analogous
#3B69A1 #403BA1 #733BA1
triadic
#403BA1 #A1403B #3BA140
tetradic
#403BA1 #A13B69 #9CA13B #3BA173
square
#403BA1 #A13B69 #9CA13B #3BA173
split-complementary
#403BA1 #A1733B #69A13B
monochromatic
#1C1A47 #2E2B74 #403BA1 #5D58C2 #8884D2
Accessibility & contrast
On white
8.91
#403BA1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#403BA1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403BA1
8.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403BA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403BA1 | 1.00 | 8.91 | 2.36 | 8.91 |
| #FFFFFF | 8.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EA4
Deuteranopia (green-blind)
#00469F
Tritanopia (blue-blind)
#005468
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #403ba1; /* rgb */ color: rgb(64, 59, 161); /* oklch */ color: oklch(42.2% 0.160 279.2);
Tailwind
colors: {
custom: {
50: '#7f71be',
500: '#403ba1',
950: '#000000',
},
}SCSS
$custom: #403ba1; $custom-light: #7f71be; $custom-dark: #000000;
JSON
{
"hex": "#403ba1",
"rgb": {
"r": 64,
"g": 59,
"b": 161
},
"hsl": {
"h": 242.941,
"s": 46.364,
"l": 43.137
},
"oklch": {
"l": 0.42157,
"c": 0.15952,
"h": 279.2
},
"luminance": 0.06791
}Semantic roles & 50–950 ramp
primary
#403BA1
secondary
#B9BC7C
accent
#D652D0
background
#F8F6FB
surface
#EFECF7
border
#CAC7D0
text
#0B0812
muted
#7C7B81