#47505E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.9% 0.026 259.2), rgb(71, 80, 94).
Aa
White text reads best on this color (8.14:1).
About this color
#47505E is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.043 away. White text reads best on it, at 8.14:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.57:1 |
| White text | 8.14:1 |
Values
| HEX | #47505E |
| RGB | rgb(71, 80, 94) |
| HSL | hsl(217, 14%, 32%) |
| OKLCH | oklch(42.9% 0.026 259.2) |
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 #47505E | 8.14:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #47505E | 2.57:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #47505E text on white | 8.14:1 | AAA | Lc 88.2 | Fine for body text |
| #47505E text on black | 2.57:1 | Fails | Lc -14.0 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D6D9DF
oklch(88.5% 0.009 264.5)
-
Step 300
300
#BBC1CB
oklch(80.9% 0.016 260.7)
-
Step 400
400
#98A1B0
oklch(70.7% 0.024 260.7)
-
Step 500
500
#7E8A9D
oklch(63% 0.032 259.6)
-
Step 600
600
#687488
oklch(55.6% 0.034 260.6)
-
Step 700
700
#566173
oklch(49% 0.032 260.2)
-
Step 800
800 (this color)
#47505E
oklch(42.9% 0.026 259.2)
-
Step 900
900
#3B424D
oklch(37.7% 0.021 259.4)
-
Step 950
950
#23272D
oklch(27.1% 0.013 258.4)
#47505E 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) | #4B515F | 0.007 |
| Deuteranopia (no green cones) | #494E5E | 0.007 |
| Tritanopia (no blue cones) | #415355 | 0.022 |
| Achromatopsia (no color) | #4F4F4F | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47505E
#47505E
oklch(42.9% 0.026 259.2)
- #574E40
#574E40
oklch(42.9% 0.025 78.8)
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 #47505E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.043
- YInMn Blue #415A77 ΔE 0.044
- Dusty Grape #545775 ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.055
- Dusk #4E5481 ΔE 0.059
- Charcoal #264653 ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.062
- Deep Teal #00555A ΔE 0.063
Use #47505E 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.