#3F3A20
Closest named color: Dark Olive (#373E02). oklch(34.6% 0.042 98.7), rgb(63, 58, 32).
Aa
White text reads best on this color (11.42:1).
About this color
#3F3A20 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.042 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.040 away. White text reads best on it, at 11.42:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.83:1 |
| White text | 11.42:1 |
Values
| HEX | #3F3A20 |
| RGB | rgb(63, 58, 32) |
| HSL | hsl(50, 33%, 19%) |
| OKLCH | oklch(34.6% 0.042 98.7) |
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 #3F3A20 | 11.42:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #3F3A20 | 1.83:1 | Fails | Lc 7.5 | Not readable |
| #3F3A20 text on white | 11.42:1 | AAA | Lc 96.3 | Preferred for body text |
| #3F3A20 text on black | 1.83:1 | Fails | Lc 0.0 | 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#EBEAE3
oklch(93.6% 0.009 100)
-
Step 200
200
#DCD9CD
oklch(88.4% 0.017 95.2)
-
Step 300
300
#C5C1AB
oklch(80.8% 0.03 98.6)
-
Step 400
400
#A8A27E
oklch(70.8% 0.05 99.6)
-
Step 500
500
#938A5D
oklch(63% 0.063 98.2)
-
Step 600
600
#7E7443
oklch(55.6% 0.069 98.1)
-
Step 700
700
#6A6135
oklch(49% 0.064 98.1)
-
Step 800
800
#564F2C
oklch(42.5% 0.053 98.3)
-
Step 900
900 (this color)
#3F3A20
oklch(34.6% 0.042 98.7)
-
Step 950
950
#2A2718
oklch(27.1% 0.026 98.2)
#3F3A20 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) | #3F391E | 0.003 |
| Deuteranopia (no green cones) | #403B21 | 0.004 |
| Tritanopia (no blue cones) | #433734 | 0.038 |
| Achromatopsia (no color) | #3A3A3A | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F3A20
#3F3A20
oklch(34.6% 0.042 98.7)
- #35374F
#35374F
oklch(34.6% 0.042 280.3)
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 #3F3A20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.040
- Pakistan Green #283618 ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.051
- Onyx #343A40 ΔE 0.053
- Evergreen #05472A ΔE 0.069
- Pine Green #0A481E ΔE 0.074
- Forrest Green #154406 ΔE 0.076
- Mud Brown #60460F ΔE 0.077
Use #3F3A20 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.