#403B9F#403B9F
#403B9F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.0% C 0.157 H 279.5°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).
Color values
| HEX | #403B9F |
|---|---|
| RGB | rgb(64, 59, 159) |
| HSL | hsl(243, 46%, 43%) |
| HSV | hsv(243, 63%, 62%) |
| CMYK | cmyk(59.7%, 62.9%, 0%, 37.6%) |
| CIE-LAB | lab(31.16, 32.24, -53.80) |
| CIE-LCH | lch(31.16, 62.72, 300.94°) |
| OKLab | oklab(41.99% 0.0258 -0.1547) |
| OKLCH | oklch(41.99% 0.157 279.5) |
| XYZ | xyz(9.9343, 6.7204, 33.5678) |
| Luminance | 0.0672 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.63
Sapphire (survey)
#2138AB
ΔE00 3.86
Darkslateblue
#483D8B
ΔE00 3.99
Ocean Blue
#4F42B5
ΔE00 4.18
Blue With A Hint Of Purple
#533CC6
ΔE00 6.32
Blue Blue
#2242C7
ΔE00 6.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403B9F #9A9F3B
analogous
#3B689F #403B9F #723B9F
triadic
#403B9F #9F403B #3B9F40
tetradic
#403B9F #9F3B68 #9A9F3B #3B9F72
square
#403B9F #9F3B68 #9A9F3B #3B9F72
split-complementary
#403B9F #9F723B #689F3B
monochromatic
#1C1A46 #2E2A72 #403B9F #5C57C1 #8783D1
Accessibility & contrast
On white
8.96
#403B9F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#403B9F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403B9F
8.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403B9F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403B9F | 1.00 | 8.96 | 2.34 | 8.96 |
| #FFFFFF | 8.96 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.96 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004DA2
Deuteranopia (green-blind)
#00459D
Tritanopia (blue-blind)
#005467
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #403b9f; /* rgb */ color: rgb(64, 59, 159); /* oklch */ color: oklch(42.0% 0.157 279.5);
Tailwind
colors: {
custom: {
50: '#7f71bc',
500: '#403b9f',
950: '#000000',
},
}SCSS
$custom: #403b9f; $custom-light: #7f71bc; $custom-dark: #000000;
JSON
{
"hex": "#403b9f",
"rgb": {
"r": 64,
"g": 59,
"b": 159
},
"hsl": {
"h": 243,
"s": 45.872,
"l": 42.745
},
"oklch": {
"l": 0.41987,
"c": 0.15681,
"h": 279.5
},
"luminance": 0.06721
}Semantic roles & 50–950 ramp
primary
#403B9F
secondary
#B8BB7B
accent
#D652CF
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0712
muted
#7C7A81