#40554B#40554B
#40554B is a dark, muted teal. Relative luminance 0.081; OKLCH L 42.9% C 0.031 H 164.3°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).
Color values
| HEX | #40554B |
|---|---|
| RGB | rgb(64, 85, 75) |
| HSL | hsl(151, 14%, 29%) |
| HSV | hsv(151, 25%, 33%) |
| CMYK | cmyk(24.7%, 0%, 11.8%, 66.7%) |
| CIE-LAB | lab(34.18, -10.44, 3.21) |
| CIE-LCH | lch(34.18, 10.92, 162.90°) |
| OKLab | oklab(42.88% -0.0295 0.0083) |
| OKLCH | oklch(42.88% 0.031 164.3) |
| XYZ | xyz(6.6325, 8.0948, 7.8682) |
| Luminance | 0.0809 (WCAG relative) |
| Temperature | neutral |
| Family | teal |
Closest named colors
Darkslategray
#2F4F4F
ΔE00 6.14
Dark Green Blue
#1F6357
ΔE00 9.93
Dark Blue Green
#005249
ΔE00 10.10
Hunter Green
#355E3B
ΔE00 10.34
Dark Teal
#014D4E
ΔE00 10.52
Dark Turquoise
#045C5A
ΔE00 10.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40554B #55404A
analogous
#405541 #40554B #405555
triadic
#40554B #4B4055 #554B40
tetradic
#40554B #414055 #55404A #555540
square
#40554B #414055 #55404A #555540
split-complementary
#40554B #554055 #554140
monochromatic
#0D110F #26322C #40554B #5A786A #779989
Accessibility & contrast
On white
8.02
#40554B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#40554B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #40554B
8.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40554B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##40554B | 1.00 | 8.02 | 2.62 | 8.02 |
| #FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#54524B
Deuteranopia (green-blind)
#504F4C
Tritanopia (blue-blind)
#3C5552
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #40554b; /* rgb */ color: rgb(64, 85, 75); /* oklch */ color: oklch(42.9% 0.031 164.3);
Tailwind
colors: {
custom: {
50: '#75857d',
500: '#40554b',
950: '#000000',
},
}SCSS
$custom: #40554b; $custom-light: #75857d; $custom-dark: #000000;
JSON
{
"hex": "#40554b",
"rgb": {
"r": 64,
"g": 85,
"b": 75
},
"hsl": {
"h": 151.429,
"s": 14.094,
"l": 29.216
},
"oklch": {
"l": 0.42876,
"c": 0.0307,
"h": 164.3
},
"luminance": 0.08095
}Semantic roles & 50–950 ramp
primary
#40554B
secondary
#846D78
accent
#7192B7
background
#F7F8F7
surface
#EDEFEE
border
#C8CAC9
text
#080B09
muted
#7B7C7B