#42404C#42404C
#42404C is a dark, muted violet. Relative luminance 0.053; OKLCH L 37.8% C 0.020 H 293.0°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).
Color values
| HEX | #42404C |
|---|---|
| RGB | rgb(66, 64, 76) |
| HSL | hsl(250, 9%, 27%) |
| HSV | hsv(250, 16%, 30%) |
| CMYK | cmyk(13.2%, 15.8%, 0%, 70.2%) |
| CIE-LAB | lab(27.70, 3.66, -6.94) |
| CIE-LCH | lch(27.70, 7.85, 297.82°) |
| OKLab | oklab(37.81% 0.008 -0.0188) |
| OKLCH | oklch(37.81% 0.02 293) |
| XYZ | xyz(5.3844, 5.3468, 7.5844) |
| Luminance | 0.0535 (WCAG relative) |
| Temperature | neutral |
| Family | violet |
Closest named colors
Dark Grey
#363737
ΔE00 8.45
Onyx
#353839
ΔE00 8.51
Charcoal Grey
#3C4142
ΔE00 8.66
Charcoal
#36454F
ΔE00 9.57
Charcoal (survey)
#343837
ΔE00 9.94
Gunmetal
#2A3439
ΔE00 10.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42404C #4A4C40
analogous
#40444C #42404C #48404C
triadic
#42404C #4C4240 #404C42
tetradic
#42404C #4C4044 #4A4C40 #404C48
square
#42404C #4C4044 #4A4C40 #404C48
split-complementary
#42404C #4C4840 #444C40
monochromatic
#0E0E11 #25242B #42404C #5F5C6D #7C798E
Accessibility & contrast
On white
10.15
#42404C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.07
#42404C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #42404C
10.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42404C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##42404C | 1.00 | 10.15 | 2.07 | 10.15 |
| #FFFFFF | 10.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.07 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3E424D
Deuteranopia (green-blind)
#3E414C
Tritanopia (blue-blind)
#404244
Achromatopsia (no color)
#414141
Design tokens & code
CSS
--color: #42404c; /* rgb */ color: rgb(66, 64, 76); /* oklch */ color: oklch(37.8% 0.020 293.0);
Tailwind
colors: {
custom: {
50: '#76747e',
500: '#42404c',
950: '#000000',
},
}SCSS
$custom: #42404c; $custom-light: #76747e; $custom-dark: #000000;
JSON
{
"hex": "#42404c",
"rgb": {
"r": 66,
"g": 64,
"b": 76
},
"hsl": {
"h": 250,
"s": 8.571,
"l": 27.451
},
"oklch": {
"l": 0.3781,
"c": 0.0204,
"h": 293
},
"luminance": 0.05347
}Semantic roles & 50–950 ramp
primary
#42404C
secondary
#797B6D
accent
#B276A8
background
#F7F7F7
surface
#EDEDEE
border
#C8C8C9
text
#080809
muted
#7B7B7B