#424253#424253
#424253 is a dark, muted blue. Relative luminance 0.057; OKLCH L 38.6% C 0.029 H 285.0°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).
Color values
| HEX | #424253 |
|---|---|
| RGB | rgb(66, 66, 83) |
| HSL | hsl(240, 11%, 29%) |
| HSV | hsv(240, 20%, 33%) |
| CMYK | cmyk(20.5%, 20.5%, 0%, 67.5%) |
| CIE-LAB | lab(28.59, 4.16, -10.16) |
| CIE-LCH | lch(28.59, 10.98, 292.26°) |
| OKLab | oklab(38.59% 0.0074 -0.0277) |
| OKLCH | oklch(38.59% 0.029 285) |
| XYZ | xyz(5.7560, 5.6791, 8.9749) |
| Luminance | 0.0568 (WCAG relative) |
| Temperature | neutral |
| Family | blue |
Closest named colors
Charcoal
#36454F
ΔE00 9.86
Charcoal Grey
#3C4142
ΔE00 10.29
Onyx
#353839
ΔE00 10.37
Dark Grey
#363737
ΔE00 10.49
Navy Blue
#1B2A4A
ΔE00 10.90
Gunmetal
#2A3439
ΔE00 11.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#424253 #535342
analogous
#424B53 #424253 #4B4253
triadic
#424253 #534242 #425342
tetradic
#424253 #53424B #535342 #42534B
square
#424253 #53424B #535342 #42534B
split-complementary
#424253 #534B42 #4B5342
monochromatic
#0E0E11 #272731 #424253 #5D5D75 #7A7A95
Accessibility & contrast
On white
9.83
#424253 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.14
#424253 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #424253
9.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##424253 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##424253 | 1.00 | 9.83 | 2.14 | 9.83 |
| #FFFFFF | 9.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3E4454
Deuteranopia (green-blind)
#3D4353
Tritanopia (blue-blind)
#3E4548
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #424253; /* rgb */ color: rgb(66, 66, 83); /* oklch */ color: oklch(38.6% 0.029 285.0);
Tailwind
colors: {
custom: {
50: '#767683',
500: '#424253',
950: '#000000',
},
}SCSS
$custom: #424253; $custom-light: #767683; $custom-dark: #000000;
JSON
{
"hex": "#424253",
"rgb": {
"r": 66,
"g": 66,
"b": 83
},
"hsl": {
"h": 240,
"s": 11.409,
"l": 29.216
},
"oklch": {
"l": 0.38592,
"c": 0.02871,
"h": 285
},
"luminance": 0.05679
}Semantic roles & 50–950 ramp
primary
#424253
secondary
#82826F
accent
#B473B4
background
#F7F7F8
surface
#EDEDEF
border
#C8C8CA
text
#08080A
muted
#7B7B7C