#424A58#424A58
#424A58 is a dark, muted blue. Relative luminance 0.068; OKLCH L 40.7% C 0.026 H 261.6°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).
Color values
| HEX | #424A58 |
|---|---|
| RGB | rgb(66, 74, 88) |
| HSL | hsl(218, 14%, 30%) |
| HSV | hsv(218, 25%, 35%) |
| CMYK | cmyk(25%, 15.9%, 0%, 65.5%) |
| CIE-LAB | lab(31.25, 0.33, -9.35) |
| CIE-LCH | lch(31.25, 9.35, 272.01°) |
| OKLab | oklab(40.74% -0.0037 -0.0255) |
| OKLCH | oklch(40.74% 0.026 261.6) |
| XYZ | xyz(6.4565, 6.7602, 10.1953) |
| Luminance | 0.0676 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Charcoal
#36454F
ΔE00 5.20
Dark Grey Blue
#29465B
ΔE00 6.97
Charcoal Grey
#3C4142
ΔE00 7.82
Dark Slate Blue
#214761
ΔE00 8.47
Dark Blue Grey
#1F3B4D
ΔE00 8.69
Onyx
#353839
ΔE00 9.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#424A58 #585042
analogous
#425558 #424A58 #454258
triadic
#424A58 #58424A #4A5842
tetradic
#424A58 #584255 #585042 #425845
square
#424A58 #584255 #585042 #425845
split-complementary
#424A58 #584542 #555842
monochromatic
#0E0F12 #282D35 #424A58 #5C677B #7A869B
Accessibility & contrast
On white
8.93
#424A58 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#424A58 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #424A58
8.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##424A58 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##424A58 | 1.00 | 8.93 | 2.35 | 8.93 |
| #FFFFFF | 8.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#464B59
Deuteranopia (green-blind)
#434958
Tritanopia (blue-blind)
#3C4D4F
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #424a58; /* rgb */ color: rgb(66, 74, 88); /* oklch */ color: oklch(40.7% 0.026 261.6);
Tailwind
colors: {
custom: {
50: '#767c87',
500: '#424a58',
950: '#000000',
},
}SCSS
$custom: #424a58; $custom-light: #767c87; $custom-dark: #000000;
JSON
{
"hex": "#424a58",
"rgb": {
"r": 66,
"g": 74,
"b": 88
},
"hsl": {
"h": 218.182,
"s": 14.286,
"l": 30.196
},
"oklch": {
"l": 0.40741,
"c": 0.02577,
"h": 261.6
},
"luminance": 0.0676
}Semantic roles & 50–950 ramp
primary
#424A58
secondary
#877E6F
accent
#9D71B7
background
#F7F7F8
surface
#EDEEEF
border
#C8C9CA
text
#08090B
muted
#7B7B7C