#42389A#42389A
#42389A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.2% C 0.154 H 281.9°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).
Color values
| HEX | #42389A |
|---|---|
| RGB | rgb(66, 56, 154) |
| HSL | hsl(246, 47%, 41%) |
| HSV | hsv(246, 64%, 60%) |
| CMYK | cmyk(57.1%, 63.6%, 0%, 39.6%) |
| CIE-LAB | lab(30.20, 32.82, -52.31) |
| CIE-LCH | lch(30.20, 61.76, 302.10°) |
| OKLab | oklab(41.2% 0.0317 -0.1503) |
| OKLCH | oklch(41.2% 0.154 281.9) |
| XYZ | xyz(9.4919, 6.3191, 31.2851) |
| Luminance | 0.0632 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.92
Darkslateblue
#483D8B
ΔE00 3.47
Sapphire (survey)
#2138AB
ΔE00 4.63
Ocean Blue
#4F42B5
ΔE00 4.94
Blue With A Hint Of Purple
#533CC6
ΔE00 6.88
Rebeccapurple
#663399
ΔE00 7.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42389A #909A38
analogous
#385F9A #42389A #73389A
triadic
#42389A #9A4238 #389A42
tetradic
#42389A #9A385F #909A38 #389A73
square
#42389A #9A385F #909A38 #389A73
split-complementary
#42389A #9A7338 #5F9A38
monochromatic
#1C1740 #2F286D #42389A #5B50BF #857DD0
Accessibility & contrast
On white
9.28
#42389A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.26
#42389A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #42389A
9.28:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42389A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##42389A | 1.00 | 9.28 | 2.26 | 9.28 |
| #FFFFFF | 9.28 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.28 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004A9D
Deuteranopia (green-blind)
#004498
Tritanopia (blue-blind)
#155063
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #42389a; /* rgb */ color: rgb(66, 56, 154); /* oklch */ color: oklch(41.2% 0.154 281.9);
Tailwind
colors: {
custom: {
50: '#7f6fb9',
500: '#42389a',
950: '#000000',
},
}SCSS
$custom: #42389a; $custom-light: #7f6fb9; $custom-dark: #000000;
JSON
{
"hex": "#42389a",
"rgb": {
"r": 66,
"g": 56,
"b": 154
},
"hsl": {
"h": 246.122,
"s": 46.667,
"l": 41.176
},
"oklch": {
"l": 0.412,
"c": 0.15358,
"h": 281.9
},
"luminance": 0.0632
}Semantic roles & 50–950 ramp
primary
#42389A
secondary
#B2B975
accent
#D651C9
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0711
muted
#7C7A80