#433DA4#433DA4
#433DA4 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.0% C 0.160 H 279.8°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).
Color values
| HEX | #433DA4 |
|---|---|
| RGB | rgb(67, 61, 164) |
| HSL | hsl(243, 46%, 44%) |
| HSV | hsv(243, 63%, 64%) |
| CMYK | cmyk(59.1%, 62.8%, 0%, 35.7%) |
| CIE-LAB | lab(32.28, 33.18, -54.98) |
| CIE-LCH | lch(32.28, 64.22, 301.11°) |
| OKLab | oklab(42.99% 0.0274 -0.1581) |
| OKLCH | oklch(42.99% 0.16 279.8) |
| XYZ | xyz(10.6822, 7.2104, 35.9436) |
| Luminance | 0.0721 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.80
Ocean Blue
#4F42B5
ΔE00 3.24
Sapphire (survey)
#2138AB
ΔE00 4.04
Darkslateblue
#483D8B
ΔE00 4.46
Blue With A Hint Of Purple
#533CC6
ΔE00 5.50
Blue Blue
#2242C7
ΔE00 5.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#433DA4 #9EA43D
analogous
#3D6BA4 #433DA4 #773DA4
triadic
#433DA4 #A4433D #3DA443
tetradic
#433DA4 #A43D6B #9EA43D #3DA477
square
#433DA4 #A43D6B #9EA43D #3DA477
split-complementary
#433DA4 #A4773D #6BA43D
monochromatic
#1F1C4B #312C77 #433DA4 #625CC2 #8D88D3
Accessibility & contrast
On white
8.60
#433DA4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.44
#433DA4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #433DA4
8.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##433DA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##433DA4 | 1.00 | 8.60 | 2.44 | 8.60 |
| #FFFFFF | 8.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.44 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050A7
Deuteranopia (green-blind)
#0048A2
Tritanopia (blue-blind)
#02566A
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #433da4; /* rgb */ color: rgb(67, 61, 164); /* oklch */ color: oklch(43.0% 0.160 279.8);
Tailwind
colors: {
custom: {
50: '#8173c0',
500: '#433da4',
950: '#000000',
},
}SCSS
$custom: #433da4; $custom-light: #8173c0; $custom-dark: #000000;
JSON
{
"hex": "#433da4",
"rgb": {
"r": 67,
"g": 61,
"b": 164
},
"hsl": {
"h": 243.495,
"s": 45.778,
"l": 44.118
},
"oklch": {
"l": 0.42993,
"c": 0.16042,
"h": 279.8
},
"luminance": 0.07211
}Semantic roles & 50–950 ramp
primary
#433DA4
secondary
#BABD7F
accent
#D552CE
background
#F8F7FB
surface
#EFEDF7
border
#CAC8D0
text
#0B0812
muted
#7C7B81