#423DAC#423DAC
#423DAC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.171 H 278.6°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).
Color values
| HEX | #423DAC |
|---|---|
| RGB | rgb(66, 61, 172) |
| HSL | hsl(243, 48%, 46%) |
| HSV | hsv(243, 65%, 67%) |
| CMYK | cmyk(61.6%, 64.5%, 0%, 32.5%) |
| CIE-LAB | lab(32.86, 35.68, -58.84) |
| CIE-LCH | lch(32.86, 68.81, 301.23°) |
| OKLab | oklab(43.6% 0.0255 -0.1694) |
| OKLCH | oklch(43.6% 0.171 278.6) |
| XYZ | xyz(11.3595, 7.4734, 39.8656) |
| Luminance | 0.0747 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 2.55
Sapphire (survey)
#2138AB
ΔE00 3.75
Blueberry
#464196
ΔE00 3.90
Blue With A Hint Of Purple
#533CC6
ΔE00 4.53
Blue Blue
#2242C7
ΔE00 4.86
Blurple
#5539CC
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#423DAC #A7AC3D
analogous
#3D6FAC #423DAC #793DAC
triadic
#423DAC #AC423D #3DAC42
tetradic
#423DAC #AC3D6F #A7AC3D #3DAC79
square
#423DAC #AC3D6F #A7AC3D #3DAC79
split-complementary
#423DAC #AC793D #6FAC3D
monochromatic
#1F1D52 #312D7F #423DAC #6460C7 #908DD7
Accessibility & contrast
On white
8.42
#423DAC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.49
#423DAC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #423DAC
8.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##423DAC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##423DAC | 1.00 | 8.42 | 2.49 | 8.42 |
| #FFFFFF | 8.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052B0
Deuteranopia (green-blind)
#0049AA
Tritanopia (blue-blind)
#00596F
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #423dac; /* rgb */ color: rgb(66, 61, 172); /* oklch */ color: oklch(43.6% 0.171 278.6);
Tailwind
colors: {
custom: {
50: '#8273c6',
500: '#423dac',
950: '#000000',
},
}SCSS
$custom: #423dac; $custom-light: #8273c6; $custom-dark: #000000;
JSON
{
"hex": "#423dac",
"rgb": {
"r": 66,
"g": 61,
"b": 172
},
"hsl": {
"h": 242.703,
"s": 47.639,
"l": 45.686
},
"oklch": {
"l": 0.43602,
"c": 0.17132,
"h": 278.6
},
"luminance": 0.07474
}Semantic roles & 50–950 ramp
primary
#423DAC
secondary
#BEC184
accent
#D751D1
background
#F8F7FC
surface
#F0EDF8
border
#CBC8D1
text
#0C0813
muted
#7D7B82