#4D4550
Closest named color: Charcoal Grey (#3C4142). oklch(40.2% 0.021 316.8), rgb(77, 69, 80).
Aa
White text reads best on this color (9.19:1).
About this color
#4D4550 is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.039 away. White text reads best on it, at 9.19:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.28:1 |
| White text | 9.19:1 |
Values
| HEX | #4D4550 |
| RGB | rgb(77, 69, 80) |
| HSL | hsl(284, 7%, 29%) |
| OKLCH | oklch(40.2% 0.021 316.8) |
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 #4D4550 | 9.19:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #4D4550 | 2.28:1 | Fails | Lc 12.7 | Not readable |
| #4D4550 text on white | 9.19:1 | AAA | Lc 91.2 | Preferred for body text |
| #4D4550 text on black | 2.28:1 | 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
#EBE9EB
oklch(93.6% 0.003 325.6)
-
Step 200
200
#DBD8DC
oklch(88.6% 0.006 317.8)
-
Step 300
300
#C4BEC6
oklch(80.9% 0.013 317.7)
-
Step 400
400
#A69DA9
oklch(70.7% 0.02 317.7)
-
Step 500
500
#908594
oklch(63.1% 0.026 317.1)
-
Step 600
600
#7A6F7E
oklch(55.7% 0.026 317.1)
-
Step 700
700
#675C6A
oklch(49% 0.026 319)
-
Step 800
800 (this color)
#4D4550
oklch(40.2% 0.021 316.8)
-
Step 900
900
#453F47
oklch(37.7% 0.016 317.7)
-
Step 950
950
#28252A
oklch(27% 0.01 312.1)
#4D4550 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 | 0.016 |
| Deuteranopia (no green cones) | #454850 | 0.015 |
| Tritanopia (no blue cones) | #4D4649 | 0.013 |
| Achromatopsia (no color) | #484848 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D4550
#4D4550
oklch(40.2% 0.021 316.8)
- #434B40
#434B40
oklch(40.2% 0.021 137.1)
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 #4D4550, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.054
- Purple Brown #673A3F ΔE 0.055
- Charcoal #264653 ΔE 0.056
- Onyx #343A40 ΔE 0.061
- Dusty Grape #545775 ΔE 0.072
- Brownish Purple #76424E ΔE 0.075
Use #4D4550 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.