#404A56#404A56
#404A56 is a dark, muted cyan. Relative luminance 0.067; OKLCH L 40.5% C 0.024 H 253.1°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).
Color values
| HEX | #404A56 |
|---|---|
| RGB | rgb(64, 74, 86) |
| HSL | hsl(213, 15%, 29%) |
| HSV | hsv(213, 26%, 34%) |
| CMYK | cmyk(25.6%, 14%, 0%, 66.3%) |
| CIE-LAB | lab(31.02, -0.93, -8.44) |
| CIE-LCH | lch(31.02, 8.49, 263.69°) |
| OKLab | oklab(40.49% -0.007 -0.023) |
| OKLCH | oklch(40.49% 0.024 253.1) |
| XYZ | xyz(6.2424, 6.6592, 9.7588) |
| Luminance | 0.0666 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Charcoal
#36454F
ΔE00 3.56
Dark Grey Blue
#29465B
ΔE00 6.10
Charcoal Grey
#3C4142
ΔE00 6.72
Dark Slate Blue
#214761
ΔE00 7.74
Dark Blue Grey
#1F3B4D
ΔE00 7.76
Onyx
#353839
ΔE00 8.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#404A56 #564C40
analogous
#405556 #404A56 #414056
triadic
#404A56 #56404A #4A5640
tetradic
#404A56 #564055 #564C40 #405641
square
#404A56 #564055 #564C40 #405641
split-complementary
#404A56 #564140 #555640
monochromatic
#0D0F12 #262C33 #404A56 #5A6879 #77879A
Accessibility & contrast
On white
9.01
#404A56 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#404A56 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #404A56
9.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##404A56 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##404A56 | 1.00 | 9.01 | 2.33 | 9.01 |
| #FFFFFF | 9.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#464A57
Deuteranopia (green-blind)
#434856
Tritanopia (blue-blind)
#3A4D4E
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #404a56; /* rgb */ color: rgb(64, 74, 86); /* oklch */ color: oklch(40.5% 0.024 253.1);
Tailwind
colors: {
custom: {
50: '#757c85',
500: '#404a56',
950: '#000000',
},
}SCSS
$custom: #404a56; $custom-light: #757c85; $custom-dark: #000000;
JSON
{
"hex": "#404a56",
"rgb": {
"r": 64,
"g": 74,
"b": 86
},
"hsl": {
"h": 212.727,
"s": 14.667,
"l": 29.412
},
"oklch": {
"l": 0.4049,
"c": 0.02404,
"h": 253.1
},
"luminance": 0.06659
}Semantic roles & 50–950 ramp
primary
#404A56
secondary
#857A6C
accent
#9770B7
background
#F7F7F8
surface
#EDEEEF
border
#C8C9CA
text
#08090B
muted
#7B7B7C