#423DA2#423DA2
#423DA2 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.158 H 279.6°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).
Color values
| HEX | #423DA2 |
|---|---|
| RGB | rgb(66, 61, 162) |
| HSL | hsl(243, 45%, 44%) |
| HSV | hsv(243, 62%, 64%) |
| CMYK | cmyk(59.3%, 62.3%, 0%, 36.5%) |
| CIE-LAB | lab(32.04, 32.34, -54.17) |
| CIE-LCH | lch(32.04, 63.09, 300.84°) |
| OKLab | oklab(42.75% 0.0262 -0.1557) |
| OKLCH | oklch(42.75% 0.158 279.6) |
| XYZ | xyz(10.4350, 7.1036, 34.9967) |
| Luminance | 0.0710 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.55
Ocean Blue
#4F42B5
ΔE00 3.55
Sapphire (survey)
#2138AB
ΔE00 4.00
Darkslateblue
#483D8B
ΔE00 4.22
Blue With A Hint Of Purple
#533CC6
ΔE00 5.85
Blue Blue
#2242C7
ΔE00 6.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#423DA2 #9DA23D
analogous
#3D6AA2 #423DA2 #743DA2
triadic
#423DA2 #A2423D #3DA242
tetradic
#423DA2 #A23D6A #9DA23D #3DA274
square
#423DA2 #A23D6A #9DA23D #3DA274
split-complementary
#423DA2 #A2743D #6AA23D
monochromatic
#1E1C49 #302C76 #423DA2 #605BC1 #8B87D2
Accessibility & contrast
On white
8.67
#423DA2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.42
#423DA2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #423DA2
8.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##423DA2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##423DA2 | 1.00 | 8.67 | 2.42 | 8.67 |
| #FFFFFF | 8.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FA5
Deuteranopia (green-blind)
#0047A0
Tritanopia (blue-blind)
#015669
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #423da2; /* rgb */ color: rgb(66, 61, 162); /* oklch */ color: oklch(42.7% 0.158 279.6);
Tailwind
colors: {
custom: {
50: '#8073be',
500: '#423da2',
950: '#000000',
},
}SCSS
$custom: #423da2; $custom-light: #8073be; $custom-dark: #000000;
JSON
{
"hex": "#423da2",
"rgb": {
"r": 66,
"g": 61,
"b": 162
},
"hsl": {
"h": 242.97,
"s": 45.291,
"l": 43.725
},
"oklch": {
"l": 0.42747,
"c": 0.15791,
"h": 279.6
},
"luminance": 0.07104
}Semantic roles & 50–950 ramp
primary
#423DA2
secondary
#B9BC7E
accent
#D553CF
background
#F8F7FB
surface
#EFEDF7
border
#CAC8D0
text
#0B0812
muted
#7C7B81