#4D4537
Closest named color: Charcoal Grey (#3C4142). oklch(39.4% 0.025 81.6), rgb(77, 69, 55).
Aa
White text reads best on this color (9.45:1).
About this color
#4D4537 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.038 away. White text reads best on it, at 9.45:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.22:1 |
| White text | 9.45:1 |
Values
| HEX | #4D4537 |
| RGB | rgb(77, 69, 55) |
| HSL | hsl(38, 17%, 26%) |
| OKLCH | oklch(39.4% 0.025 81.6) |
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 #4D4537 | 9.45:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #4D4537 | 2.22:1 | Fails | Lc 12.1 | Not readable |
| #4D4537 text on white | 9.45:1 | AAA | Lc 91.9 | Preferred for body text |
| #4D4537 text on black | 2.22:1 | Fails | Lc -10.5 | 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 900.
-
Step 50
50
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#ECE9E6
oklch(93.6% 0.005 67.8)
-
Step 200
200
#DDD9D2
oklch(88.6% 0.01 81.8)
-
Step 300
300
#C7C0B3
oklch(81% 0.02 83.1)
-
Step 400
400
#AA9F8C
oklch(70.7% 0.03 81.4)
-
Step 500
500
#95886F
oklch(63.2% 0.039 83.7)
-
Step 600
600
#807158
oklch(55.6% 0.041 80.3)
-
Step 700
700
#6C5F48
oklch(49.2% 0.038 81.7)
-
Step 800
800
#584D3B
oklch(42.6% 0.032 79.9)
-
Step 900
900 (this color)
#4D4537
oklch(39.4% 0.025 81.6)
-
Step 950
950
#2A261E
oklch(27% 0.015 84.5)
#4D4537 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) | #494536 | 0.007 |
| Deuteranopia (no green cones) | #4B4737 | 0.007 |
| Tritanopia (no blue cones) | #514241 | 0.023 |
| Achromatopsia (no color) | #464646 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D4537
#4D4537
oklch(39.4% 0.025 81.6)
- #3F4654
#3F4654
oklch(39.3% 0.025 264.2)
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 #4D4537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.054
- Mud Brown #60460F ΔE 0.055
- Purple Brown #673A3F ΔE 0.060
- Onyx #343A40 ΔE 0.062
- Green Brown #544E03 ΔE 0.068
- Charcoal #264653 ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.075
Use #4D4537 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.