#4B3F2F
Closest named color: Charcoal Grey (#3C4142). oklch(37.6% 0.031 74.6), rgb(75, 63, 47).
Aa
White text reads best on this color (10.23:1).
About this color
#4B3F2F is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.031 and its hue 75°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.036 away. White text reads best on it, at 10.23:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #4B3F2F |
| RGB | rgb(75, 63, 47) |
| HSL | hsl(34, 23%, 24%) |
| OKLCH | oklch(37.6% 0.031 74.6) |
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 #4B3F2F | 10.23:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #4B3F2F | 2.05:1 | Fails | Lc 10.2 | Not readable |
| #4B3F2F text on white | 10.23:1 | AAA | Lc 93.8 | Preferred for body text |
| #4B3F2F text on black | 2.05:1 | Fails | Lc -8.8 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#ECE9E5
oklch(93.5% 0.006 75.4)
-
Step 200
200
#DED8D0
oklch(88.5% 0.013 75.4)
-
Step 300
300
#CABFB1
oklch(81% 0.023 74.1)
-
Step 400
400
#AF9E88
oklch(70.8% 0.037 74.2)
-
Step 500
500
#9B866A
oklch(63.2% 0.047 74.7)
-
Step 600
600
#856F52
oklch(55.5% 0.05 74.1)
-
Step 700
700
#715D42
oklch(49.1% 0.048 74.6)
-
Step 800
800
#5C4C37
oklch(42.7% 0.039 74)
-
Step 900
900 (this color)
#4B3F2F
oklch(37.6% 0.031 74.6)
-
Step 950
950
#2C251C
oklch(26.9% 0.019 73.8)
#4B3F2F 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) | #443F2E | 0.013 |
| Deuteranopia (no green cones) | #47422F | 0.011 |
| Tritanopia (no blue cones) | #503C3B | 0.026 |
| Achromatopsia (no color) | #414141 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3F2F
#4B3F2F
oklch(37.6% 0.031 74.6)
- #364251
#364251
oklch(37.5% 0.03 254.2)
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 #4B3F2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.036
- Onyx #343A40 ΔE 0.053
- Mud Brown #60460F ΔE 0.059
- Purple Brown #673A3F ΔE 0.063
- Dark Slate Gray #2F4F4F ΔE 0.066
- Dark Olive #373E02 ΔE 0.066
- Charcoal #264653 ΔE 0.072
- Green Brown #544E03 ΔE 0.074
Use #4B3F2F 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.