#4F4557
Closest named color: Charcoal Grey (#3C4142). oklch(40.7% 0.032 309.9), rgb(79, 69, 87).
Aa
White text reads best on this color (9.04:1).
About this color
#4F4557 is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.032 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.050 away. White text reads best on it, at 9.04:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.32:1 |
| White text | 9.04:1 |
Values
| HEX | #4F4557 |
| RGB | rgb(79, 69, 87) |
| HSL | hsl(273, 12%, 31%) |
| OKLCH | oklch(40.7% 0.032 309.9) |
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 #4F4557 | 9.04:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #4F4557 | 2.32:1 | Fails | Lc 13.2 | Not readable |
| #4F4557 text on white | 9.04:1 | AAA | Lc 90.8 | Preferred for body text |
| #4F4557 text on black | 2.32:1 | Fails | Lc -11.5 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9ED
oklch(93.7% 0.006 308.4)
-
Step 200
200
#DBD7DE
oklch(88.4% 0.01 311.2)
-
Step 300
300
#C4BDCA
oklch(80.8% 0.02 309.8)
-
Step 400
400
#A69CAF
oklch(70.7% 0.029 309.1)
-
Step 500
500
#91839B
oklch(63.1% 0.039 311.2)
-
Step 600
600
#7B6D86
oklch(55.7% 0.041 310.2)
-
Step 700
700
#675B72
oklch(49.1% 0.039 308.5)
-
Step 800
800 (this color)
#4F4557
oklch(40.7% 0.032 309.9)
-
Step 900
900
#463E4C
oklch(37.7% 0.026 310.7)
-
Step 950
950
#29242C
oklch(26.9% 0.016 312.9)
#4F4557 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) | #424858 | 0.022 |
| Deuteranopia (no green cones) | #444956 | 0.021 |
| Tritanopia (no blue cones) | #4E474B | 0.023 |
| Achromatopsia (no color) | #494949 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4557
#4F4557
oklch(40.7% 0.032 309.9)
- #444D3B
#444D3B
oklch(40.7% 0.031 129.4)
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 #4F4557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.056
- Purple Brown #673A3F ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.059
- Charcoal #264653 ΔE 0.061
- Dusty Grape #545775 ΔE 0.064
- Onyx #343A40 ΔE 0.068
- YInMn Blue #415A77 ΔE 0.071
Use #4F4557 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.