#3F432D
Closest named color: Charcoal Grey (#3C4142). oklch(37.3% 0.036 116.6), rgb(63, 67, 45).
Aa
White text reads best on this color (10.23:1).
About this color
#3F432D is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.036 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.037 away. White text reads best on it, at 10.23:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #3F432D |
| RGB | rgb(63, 67, 45) |
| HSL | hsl(71, 20%, 22%) |
| OKLCH | oklch(37.3% 0.036 116.6) |
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 #3F432D | 10.23:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #3F432D | 2.05:1 | Fails | Lc 10.2 | Not readable |
| #3F432D text on white | 10.23:1 | AAA | Lc 93.8 | Preferred for body text |
| #3F432D 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE5
oklch(93.7% 0.008 121.6)
-
Step 200
200
#D8DAD0
oklch(88.4% 0.014 115.9)
-
Step 300
300
#BFC3B0
oklch(80.9% 0.026 116.7)
-
Step 400
400
#9EA486
oklch(70.6% 0.043 116.7)
-
Step 500
500
#878E68
oklch(63.1% 0.055 116.5)
-
Step 600
600
#71784F
oklch(55.6% 0.06 116.3)
-
Step 700
700
#5E6540
oklch(49.1% 0.056 117.2)
-
Step 800
800
#4D5235
oklch(42.6% 0.045 116.3)
-
Step 900
900 (this color)
#3F432D
oklch(37.3% 0.036 116.6)
-
Step 950
950
#26281B
oklch(27.1% 0.023 115.1)
#3F432D 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) | #46412C | 0.013 |
| Deuteranopia (no green cones) | #46412E | 0.014 |
| Tritanopia (no blue cones) | #41413D | 0.029 |
| Achromatopsia (no color) | #414141 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F432D
#3F432D
oklch(37.3% 0.036 116.6)
- #423D51
#423D51
oklch(37.3% 0.034 296.2)
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 #3F432D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.037
- Dark Olive #373E02 ΔE 0.050
- Onyx #343A40 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.056
- Evergreen #05472A ΔE 0.061
- Pakistan Green #283618 ΔE 0.064
- Mud Brown #60460F ΔE 0.065
- Charcoal #264653 ΔE 0.065
Use #3F432D 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.