#47424F
Closest named color: Charcoal Grey (#3C4142). oklch(38.9% 0.023 302.8), rgb(71, 66, 79).
Aa
White text reads best on this color (9.72:1).
About this color
#47424F is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.030 away. White text reads best on it, at 9.72:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.16:1 |
| White text | 9.72:1 |
Values
| HEX | #47424F |
| RGB | rgb(71, 66, 79) |
| HSL | hsl(263, 9%, 28%) |
| OKLCH | oklch(38.9% 0.023 302.8) |
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 #47424F | 9.72:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #47424F | 2.16:1 | Fails | Lc 11.4 | Not readable |
| #47424F text on white | 9.72:1 | AAA | Lc 92.6 | Preferred for body text |
| #47424F text on black | 2.16:1 | Fails | Lc -9.9 | 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 900.
-
Step 50
50
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#DAD8DE
oklch(88.6% 0.008 301.3)
-
Step 300
300
#C2BECA
oklch(80.8% 0.017 301.2)
-
Step 400
400
#A49DAF
oklch(70.8% 0.027 303.3)
-
Step 500
500
#8D859B
oklch(63.1% 0.034 302)
-
Step 600
600
#776E86
oklch(55.5% 0.038 302.2)
-
Step 700
700
#645C72
oklch(49% 0.036 301.7)
-
Step 800
800
#524B5C
oklch(42.6% 0.029 303.9)
-
Step 900
900 (this color)
#47424F
oklch(38.9% 0.023 302.8)
-
Step 950
950
#28252C
oklch(27.1% 0.013 304.9)
#47424F 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) | #404450 | 0.012 |
| Deuteranopia (no green cones) | #41444F | 0.011 |
| Tritanopia (no blue cones) | #464446 | 0.019 |
| Achromatopsia (no color) | #444444 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47424F
#47424F
oklch(38.9% 0.023 302.8)
- #42473A
#42473A
oklch(38.9% 0.022 124.6)
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 #47424F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.045
- Charcoal #264653 ΔE 0.046
- Onyx #343A40 ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.051
- Purple Brown #673A3F ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.066
- Dark Teal #014D4E ΔE 0.075
Use #47424F 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.