#4B3F28
Closest named color: Charcoal Grey (#3C4142). oklch(37.4% 0.04 83.1), rgb(75, 63, 40).
Aa
White text reads best on this color (10.29:1).
About this color
#4B3F28 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.040 and its hue 83°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.044 away. White text reads best on it, at 10.29:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.04:1 |
| White text | 10.29:1 |
Values
| HEX | #4B3F28 |
| RGB | rgb(75, 63, 40) |
| HSL | hsl(39, 30%, 23%) |
| OKLCH | oklch(37.4% 0.04 83.1) |
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 #4B3F28 | 10.29:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #4B3F28 | 2.04:1 | Fails | Lc 10.1 | Not readable |
| #4B3F28 text on white | 10.29:1 | AAA | Lc 93.9 | Preferred for body text |
| #4B3F28 text on black | 2.04:1 | Fails | Lc -8.7 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E3
oklch(93.5% 0.009 78.3)
-
Step 200
200
#DED8CD
oklch(88.4% 0.016 82.8)
-
Step 300
300
#CABFAB
oklch(80.8% 0.03 82.6)
-
Step 400
400
#AF9E7F
oklch(70.6% 0.047 82.5)
-
Step 500
500
#9B875F
oklch(63.2% 0.061 84.2)
-
Step 600
600
#867045
oklch(55.6% 0.066 83.3)
-
Step 700
700
#725E36
oklch(49.2% 0.062 83.6)
-
Step 800
800
#5D4D2E
oklch(42.9% 0.051 83.1)
-
Step 900
900 (this color)
#4B3F28
oklch(37.4% 0.04 83.1)
-
Step 950
950
#2C2518
oklch(26.8% 0.025 82.6)
#4B3F28 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) | #453F26 | 0.012 |
| Deuteranopia (no green cones) | #474229 | 0.011 |
| Tritanopia (no blue cones) | #503B39 | 0.035 |
| Achromatopsia (no color) | #404040 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3F28
#4B3F28
oklch(37.4% 0.04 83.1)
- #364156
#364156
oklch(37.5% 0.039 263.1)
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 #4B3F28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.044
- Mud Brown #60460F ΔE 0.054
- Dark Olive #373E02 ΔE 0.057
- Onyx #343A40 ΔE 0.060
- Green Brown #544E03 ΔE 0.067
- Purple Brown #673A3F ΔE 0.070
- Dark Slate Gray #2F4F4F ΔE 0.071
- Pakistan Green #283618 ΔE 0.073
Use #4B3F28 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.