#404A58#404A58
#404A58 is a dark, muted blue. Relative luminance 0.067; OKLCH L 40.6% C 0.027 H 256.8°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).
Color values
| HEX | #404A58 |
|---|---|
| RGB | rgb(64, 74, 88) |
| HSL | hsl(215, 16%, 30%) |
| HSV | hsv(215, 27%, 35%) |
| CMYK | cmyk(27.3%, 15.9%, 0%, 65.5%) |
| CIE-LAB | lab(31.09, -0.39, -9.60) |
| CIE-LCH | lch(31.09, 9.61, 267.69°) |
| OKLab | oklab(40.58% -0.0061 -0.0262) |
| OKLCH | oklch(40.58% 0.027 256.8) |
| XYZ | xyz(6.3241, 6.6919, 10.1891) |
| Luminance | 0.0669 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Charcoal
#36454F
ΔE00 4.38
Dark Grey Blue
#29465B
ΔE00 6.07
Dark Slate Blue
#214761
ΔE00 7.60
Charcoal Grey
#3C4142
ΔE00 7.63
Dark Blue Grey
#1F3B4D
ΔE00 7.90
Gunmetal
#2A3439
ΔE00 9.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#404A58 #584E40
analogous
#405658 #404A58 #424058
triadic
#404A58 #58404A #4A5840
tetradic
#404A58 #584056 #584E40 #405842
square
#404A58 #584056 #584E40 #405842
split-complementary
#404A58 #584240 #565840
monochromatic
#0D0F12 #262C35 #404A58 #5A687B #77869C
Accessibility & contrast
On white
8.98
#404A58 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#404A58 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #404A58
8.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##404A58 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##404A58 | 1.00 | 8.98 | 2.34 | 8.98 |
| #FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#454A59
Deuteranopia (green-blind)
#434858
Tritanopia (blue-blind)
#3A4D4F
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #404a58; /* rgb */ color: rgb(64, 74, 88); /* oklch */ color: oklch(40.6% 0.027 256.8);
Tailwind
colors: {
custom: {
50: '#757c87',
500: '#404a58',
950: '#000000',
},
}SCSS
$custom: #404a58; $custom-light: #757c87; $custom-dark: #000000;
JSON
{
"hex": "#404a58",
"rgb": {
"r": 64,
"g": 74,
"b": 88
},
"hsl": {
"h": 215,
"s": 15.789,
"l": 29.804
},
"oklch": {
"l": 0.40576,
"c": 0.02695,
"h": 256.8
},
"luminance": 0.06692
}Semantic roles & 50–950 ramp
primary
#404A58
secondary
#877C6C
accent
#9A6FB9
background
#F7F7F8
surface
#EDEEEF
border
#C8C9CA
text
#08090B
muted
#7B7B7C