#4F4451
Closest named color: Charcoal Grey (#3C4142). oklch(40.3% 0.026 321.1), rgb(79, 68, 81).
Aa
White text reads best on this color (9.21:1).
About this color
#4F4451 is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.043 away. White text reads best on it, at 9.21:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #4F4451 |
| RGB | rgb(79, 68, 81) |
| HSL | hsl(291, 9%, 29%) |
| OKLCH | oklch(40.3% 0.026 321.1) |
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 #4F4451 | 9.21:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #4F4451 | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #4F4451 text on white | 9.21:1 | AAA | Lc 91.3 | Preferred for body text |
| #4F4451 text on black | 2.27:1 | Fails | Lc -11.1 | 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
#EBE9EC
oklch(93.6% 0.005 314.8)
-
Step 200
200
#DCD7DC
oklch(88.5% 0.009 325.6)
-
Step 300
300
#C5BEC7
oklch(81% 0.015 318.7)
-
Step 400
400
#A89CAA
oklch(70.7% 0.024 321.4)
-
Step 500
500
#928495
oklch(63.1% 0.03 320.3)
-
Step 600
600
#7D6D7F
oklch(55.6% 0.033 322.5)
-
Step 700
700
#695B6C
oklch(49.1% 0.032 320.3)
-
Step 800
800 (this color)
#4F4451
oklch(40.3% 0.026 321.1)
-
Step 900
900
#473E48
oklch(37.7% 0.021 322.8)
-
Step 950
950
#29242A
oklch(26.8% 0.013 320.6)
#4F4451 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) | #434752 | 0.021 |
| Deuteranopia (no green cones) | #454851 | 0.020 |
| Tritanopia (no blue cones) | #4F4548 | 0.017 |
| Achromatopsia (no color) | #484848 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4451
#4F4451
oklch(40.3% 0.026 321.1)
- #414C3F
#414C3F
oklch(40.3% 0.026 140.8)
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 #4F4451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.043
- Purple Brown #673A3F ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.057
- Charcoal #264653 ΔE 0.059
- Onyx #343A40 ΔE 0.063
- Brownish Purple #76424E ΔE 0.072
- Dusty Grape #545775 ΔE 0.072
Use #4F4451 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.