#403AA3#403AA3
#403AA3 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.163 H 279.3°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).
Color values
| HEX | #403AA3 |
|---|---|
| RGB | rgb(64, 58, 163) |
| HSL | hsl(243, 48%, 43%) |
| HSV | hsv(243, 64%, 64%) |
| CMYK | cmyk(60.7%, 64.4%, 0%, 36.1%) |
| CIE-LAB | lab(31.25, 34.21, -56.06) |
| CIE-LCH | lch(31.25, 65.68, 301.39°) |
| OKLab | oklab(42.16% 0.0264 -0.1613) |
| OKLCH | oklch(42.16% 0.163 279.3) |
| XYZ | xyz(10.2362, 6.7597, 35.4086) |
| Luminance | 0.0676 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 3.28
Sapphire (survey)
#2138AB
ΔE00 3.62
Ocean Blue
#4F42B5
ΔE00 3.84
Darkslateblue
#483D8B
ΔE00 4.61
Blue With A Hint Of Purple
#533CC6
ΔE00 5.76
Blue Blue
#2242C7
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403AA3 #9DA33A
analogous
#3A68A3 #403AA3 #743AA3
triadic
#403AA3 #A3403A #3AA340
tetradic
#403AA3 #A33A68 #9DA33A #3AA374
square
#403AA3 #A33A68 #9DA33A #3AA374
split-complementary
#403AA3 #A3743A #68A33A
monochromatic
#1D1A49 #2E2A76 #403AA3 #5D57C3 #8984D3
Accessibility & contrast
On white
8.93
#403AA3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#403AA3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403AA3
8.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403AA3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403AA3 | 1.00 | 8.93 | 2.35 | 8.93 |
| #FFFFFF | 8.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EA6
Deuteranopia (green-blind)
#0045A1
Tritanopia (blue-blind)
#005469
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #403aa3; /* rgb */ color: rgb(64, 58, 163); /* oklch */ color: oklch(42.2% 0.163 279.3);
Tailwind
colors: {
custom: {
50: '#8071bf',
500: '#403aa3',
950: '#000000',
},
}SCSS
$custom: #403aa3; $custom-light: #8071bf; $custom-dark: #000000;
JSON
{
"hex": "#403aa3",
"rgb": {
"r": 64,
"g": 58,
"b": 163
},
"hsl": {
"h": 243.429,
"s": 47.511,
"l": 43.333
},
"oklch": {
"l": 0.42157,
"c": 0.16349,
"h": 279.3
},
"luminance": 0.0676
}Semantic roles & 50–950 ramp
primary
#403AA3
secondary
#B9BD7C
accent
#D751CF
background
#F8F6FB
surface
#EFECF7
border
#CAC7D0
text
#0B0712
muted
#7C7A81