#403A9B#403A9B
#403A9B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.153 H 280.2°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).
Color values
| HEX | #403A9B |
|---|---|
| RGB | rgb(64, 58, 155) |
| HSL | hsl(244, 46%, 42%) |
| HSV | hsv(244, 63%, 61%) |
| CMYK | cmyk(58.7%, 62.6%, 0%, 39.2%) |
| CIE-LAB | lab(30.60, 31.53, -52.29) |
| CIE-LCH | lch(30.60, 61.06, 301.09°) |
| OKLab | oklab(41.47% 0.027 -0.1502) |
| OKLCH | oklch(41.47% 0.153 280.2) |
| XYZ | xyz(9.5419, 6.4820, 31.7523) |
| Luminance | 0.0648 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.49
Darkslateblue
#483D8B
ΔE00 3.50
Sapphire (survey)
#2138AB
ΔE00 4.20
Ocean Blue
#4F42B5
ΔE00 4.73
Blue With A Hint Of Purple
#533CC6
ΔE00 6.86
Blue Blue
#2242C7
ΔE00 7.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403A9B #959B3A
analogous
#3A659B #403A9B #713A9B
triadic
#403A9B #9B403A #3A9B40
tetradic
#403A9B #9B3A65 #959B3A #3A9B71
square
#403A9B #9B3A65 #959B3A #3A9B71
split-complementary
#403A9B #9B713A #659B3A
monochromatic
#1B1942 #2E296E #403A9B #5A53BF #8580CF
Accessibility & contrast
On white
9.14
#403A9B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#403A9B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403A9B
9.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403A9B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403A9B | 1.00 | 9.14 | 2.30 | 9.14 |
| #FFFFFF | 9.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004C9E
Deuteranopia (green-blind)
#004499
Tritanopia (blue-blind)
#085265
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #403a9b; /* rgb */ color: rgb(64, 58, 155); /* oklch */ color: oklch(41.5% 0.153 280.2);
Tailwind
colors: {
custom: {
50: '#7e70b9',
500: '#403a9b',
950: '#000000',
},
}SCSS
$custom: #403a9b; $custom-light: #7e70b9; $custom-dark: #000000;
JSON
{
"hex": "#403a9b",
"rgb": {
"r": 64,
"g": 58,
"b": 155
},
"hsl": {
"h": 243.711,
"s": 45.54,
"l": 41.765
},
"oklch": {
"l": 0.41472,
"c": 0.15265,
"h": 280.2
},
"luminance": 0.06483
}Semantic roles & 50–950 ramp
primary
#403A9B
secondary
#B5B978
accent
#D553CD
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0712
muted
#7C7A81