#403AAE#403AAE
#403AAE is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.1% C 0.178 H 278.2°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).
Color values
| HEX | #403AAE |
|---|---|
| RGB | rgb(64, 58, 174) |
| HSL | hsl(243, 50%, 45%) |
| HSV | hsv(243, 67%, 68%) |
| CMYK | cmyk(63.2%, 66.7%, 0%, 31.8%) |
| CIE-LAB | lab(32.19, 37.87, -61.13) |
| CIE-LCH | lch(32.19, 71.91, 301.78°) |
| OKLab | oklab(43.13% 0.0253 -0.1762) |
| OKLCH | oklch(43.13% 0.178 278.2) |
| XYZ | xyz(11.2649, 7.1712, 40.8267) |
| Luminance | 0.0717 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 3.01
Sapphire (survey)
#2138AB
ΔE00 3.50
Blue With A Hint Of Purple
#533CC6
ΔE00 4.39
Blueberry
#464196
ΔE00 4.57
Blue Blue
#2242C7
ΔE00 4.90
Blurple
#5539CC
ΔE00 5.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403AAE #A8AE3A
analogous
#3A6EAE #403AAE #7A3AAE
triadic
#403AAE #AE403A #3AAE40
tetradic
#403AAE #AE3A6E #A8AE3A #3AAE7A
square
#403AAE #AE3A6E #A8AE3A #3AAE7A
split-complementary
#403AAE #AE7A3A #6EAE3A
monochromatic
#1E1B52 #2F2B80 #403AAE #625CC9 #8E8AD8
Accessibility & contrast
On white
8.63
#403AAE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#403AAE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403AAE
8.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403AAE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403AAE | 1.00 | 8.63 | 2.43 | 8.63 |
| #FFFFFF | 8.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B2
Deuteranopia (green-blind)
#0047AC
Tritanopia (blue-blind)
#00586F
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #403aae; /* rgb */ color: rgb(64, 58, 174); /* oklch */ color: oklch(43.1% 0.178 278.2);
Tailwind
colors: {
custom: {
50: '#8271c7',
500: '#403aae',
950: '#000000',
},
}SCSS
$custom: #403aae; $custom-light: #8271c7; $custom-dark: #000000;
JSON
{
"hex": "#403aae",
"rgb": {
"r": 64,
"g": 58,
"b": 174
},
"hsl": {
"h": 243.103,
"s": 50,
"l": 45.49
},
"oklch": {
"l": 0.43131,
"c": 0.17801,
"h": 278.2
},
"luminance": 0.07172
}Semantic roles & 50–950 ramp
primary
#403AAE
secondary
#BFC281
accent
#DA4ED2
background
#F8F6FC
surface
#F0ECF8
border
#CBC7D1
text
#0C0713
muted
#7D7A82