#403B9E#403B9E
#403B9E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.9% C 0.155 H 279.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).
Color values
| HEX | #403B9E |
|---|---|
| RGB | rgb(64, 59, 158) |
| HSL | hsl(243, 46%, 43%) |
| HSV | hsv(243, 63%, 62%) |
| CMYK | cmyk(59.5%, 62.7%, 0%, 38%) |
| CIE-LAB | lab(31.08, 31.91, -53.32) |
| CIE-LCH | lch(31.08, 62.14, 300.89°) |
| OKLab | oklab(41.9% 0.0258 -0.1533) |
| OKLCH | oklch(41.9% 0.155 279.6) |
| XYZ | xyz(9.8479, 6.6859, 33.1127) |
| Luminance | 0.0669 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.53
Darkslateblue
#483D8B
ΔE00 3.85
Sapphire (survey)
#2138AB
ΔE00 3.94
Ocean Blue
#4F42B5
ΔE00 4.30
Blue With A Hint Of Purple
#533CC6
ΔE00 6.46
Blue Blue
#2242C7
ΔE00 6.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403B9E #999E3B
analogous
#3B689E #403B9E #713B9E
triadic
#403B9E #9E403B #3B9E40
tetradic
#403B9E #9E3B68 #999E3B #3B9E71
square
#403B9E #9E3B68 #999E3B #3B9E71
split-complementary
#403B9E #9E713B #689E3B
monochromatic
#1C1A45 #2E2A71 #403B9E #5C56C0 #8783D1
Accessibility & contrast
On white
8.98
#403B9E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#403B9E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403B9E
8.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403B9E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403B9E | 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)
#004DA1
Deuteranopia (green-blind)
#00459C
Tritanopia (blue-blind)
#005367
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #403b9e; /* rgb */ color: rgb(64, 59, 158); /* oklch */ color: oklch(41.9% 0.155 279.6);
Tailwind
colors: {
custom: {
50: '#7f71bb',
500: '#403b9e',
950: '#000000',
},
}SCSS
$custom: #403b9e; $custom-light: #7f71bb; $custom-dark: #000000;
JSON
{
"hex": "#403b9e",
"rgb": {
"r": 64,
"g": 59,
"b": 158
},
"hsl": {
"h": 243.03,
"s": 45.622,
"l": 42.549
},
"oklch": {
"l": 0.41902,
"c": 0.15545,
"h": 279.6
},
"luminance": 0.06687
}Semantic roles & 50–950 ramp
primary
#403B9E
secondary
#B7BB7A
accent
#D553CF
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0712
muted
#7C7A81