#4F4550
Closest named color: Charcoal Grey (#3C4142). oklch(40.5% 0.022 323.1), rgb(79, 69, 80).
Aa
White text reads best on this color (9.13:1).
About this color
#4F4550 is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.042 away. White text reads best on it, at 9.13:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.29:1 |
| White text | 9.13:1 |
Values
| HEX | #4F4550 |
| RGB | rgb(79, 69, 80) |
| HSL | hsl(295, 7%, 29%) |
| OKLCH | oklch(40.5% 0.022 323.1) |
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 #4F4550 | 9.13:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #4F4550 | 2.29:1 | Fails | Lc 12.9 | Not readable |
| #4F4550 text on white | 9.13:1 | AAA | Lc 91.0 | Preferred for body text |
| #4F4550 text on black | 2.29:1 | Fails | Lc -11.3 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EB
oklch(93.6% 0.003 325.6)
-
Step 200
200
#DBD7DC
oklch(88.4% 0.008 319.4)
-
Step 300
300
#C5BEC5
oklch(80.9% 0.012 325.7)
-
Step 400
400
#A79CA8
oklch(70.6% 0.021 323.3)
-
Step 500
500
#928493
oklch(63.1% 0.028 323.9)
-
Step 600
600
#7C6E7D
oklch(55.6% 0.028 323.9)
-
Step 700
700
#685C6A
oklch(49.1% 0.027 321.4)
-
Step 800
800 (this color)
#4F4550
oklch(40.5% 0.022 323.1)
-
Step 900
900
#463F47
oklch(37.8% 0.016 322)
-
Step 950
950
#29252A
oklch(27.1% 0.011 319.5)
#4F4550 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) | #444750 | 0.019 |
| Deuteranopia (no green cones) | #464950 | 0.019 |
| Tritanopia (no blue cones) | #504649 | 0.013 |
| Achromatopsia (no color) | #484848 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4550
#4F4550
oklch(40.5% 0.022 323.1)
- #424C41
#424C41
oklch(40.4% 0.022 142.7)
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 #4F4550, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.042
- Purple Brown #673A3F ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.057
- Charcoal #264653 ΔE 0.059
- Onyx #343A40 ΔE 0.064
- Dusty Grape #545775 ΔE 0.071
- Brownish Purple #76424E ΔE 0.072
Use #4F4550 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.