#424858#424858
#424858 is a dark, muted blue. Relative luminance 0.065; OKLCH L 40.3% C 0.028 H 269.0°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).
Color values
| HEX | #424858 |
|---|---|
| RGB | rgb(66, 72, 88) |
| HSL | hsl(224, 14%, 30%) |
| HSV | hsv(224, 25%, 35%) |
| CMYK | cmyk(25%, 18.2%, 0%, 65.5%) |
| CIE-LAB | lab(30.63, 1.61, -10.28) |
| CIE-LCH | lch(30.63, 10.41, 278.89°) |
| OKLab | oklab(40.26% -0.0005 -0.0281) |
| OKLCH | oklch(40.26% 0.028 269) |
| XYZ | xyz(6.3251, 6.4974, 10.1515) |
| Luminance | 0.0650 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Charcoal
#36454F
ΔE00 6.74
Dark Grey Blue
#29465B
ΔE00 8.11
Charcoal Grey
#3C4142
ΔE00 8.84
Dark Slate Blue
#214761
ΔE00 9.49
Dark Blue Grey
#1F3B4D
ΔE00 9.56
Onyx
#353839
ΔE00 9.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#424858 #585242
analogous
#425358 #424858 #474258
triadic
#424858 #584248 #485842
tetradic
#424858 #584253 #585242 #425847
square
#424858 #584253 #585242 #425847
split-complementary
#424858 #584742 #535842
monochromatic
#0E0F12 #282B35 #424858 #5C657B #7A839B
Accessibility & contrast
On white
9.13
#424858 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#424858 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #424858
9.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##424858 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##424858 | 1.00 | 9.13 | 2.30 | 9.13 |
| #FFFFFF | 9.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#434959
Deuteranopia (green-blind)
#414758
Tritanopia (blue-blind)
#3D4B4D
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #424858; /* rgb */ color: rgb(66, 72, 88); /* oklch */ color: oklch(40.3% 0.028 269.0);
Tailwind
colors: {
custom: {
50: '#767a87',
500: '#424858',
950: '#000000',
},
}SCSS
$custom: #424858; $custom-light: #767a87; $custom-dark: #000000;
JSON
{
"hex": "#424858",
"rgb": {
"r": 66,
"g": 72,
"b": 88
},
"hsl": {
"h": 223.636,
"s": 14.286,
"l": 30.196
},
"oklch": {
"l": 0.40255,
"c": 0.0281,
"h": 269
},
"luminance": 0.06498
}Semantic roles & 50–950 ramp
primary
#424858
secondary
#87806F
accent
#A471B7
background
#F7F7F8
surface
#EDEDEF
border
#C8C8CA
text
#08090B
muted
#7B7B7C