#494F47
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42% 0.015 137.8), rgb(73, 79, 71).
Aa
White text reads best on this color (8.42:1).
About this color
#494F47 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.036 away. White text reads best on it, at 8.42:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.49:1 |
| White text | 8.42:1 |
Values
| HEX | #494F47 |
| RGB | rgb(73, 79, 71) |
| HSL | hsl(105, 5%, 29%) |
| OKLCH | oklch(42% 0.015 137.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #494F47 | 8.42:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #494F47 | 2.49:1 | Fails | Lc 14.9 | Not readable |
| #494F47 text on white | 8.42:1 | AAA | Lc 89.1 | Fine for body text |
| #494F47 text on black | 2.49:1 | Fails | Lc -13.2 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D7DAD7
oklch(88.5% 0.005 145.5)
-
Step 300
300
#BEC2BC
oklch(80.9% 0.009 134.9)
-
Step 400
400
#9CA39A
oklch(70.7% 0.015 138.7)
-
Step 500
500
#848C82
oklch(63% 0.017 139.4)
-
Step 600
600
#6E766B
oklch(55.6% 0.019 137.1)
-
Step 700
700
#5C6359
oklch(49% 0.018 136.2)
-
Step 800
800 (this color)
#494F47
oklch(42% 0.015 137.8)
-
Step 900
900
#3F433D
oklch(37.7% 0.011 135)
-
Step 950
950
#252724
oklch(27% 0.006 134.9)
#494F47 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #504E47 | 0.011 |
| Deuteranopia (no green cones) | #4F4D47 | 0.011 |
| Tritanopia (no blue cones) | #494E4D | 0.011 |
| Achromatopsia (no color) | #4D4D4D | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #494F47
#494F47
oklch(42% 0.015 137.8)
- #504A52
#504A52
oklch(41.8% 0.015 317.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #494F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.036
- Charcoal Grey #3C4142 ΔE 0.051
- Charcoal #264653 ΔE 0.064
- Deep Teal #00555A ΔE 0.065
- Dark Blue Green #005249 ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.068
- Dark Green Blue #1F6357 ΔE 0.069
- Dark Teal #014D4E ΔE 0.070
Use #494F47 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.