#3F3301
Closest named color: Dark Olive (#373E02). oklch(32.5% 0.066 94.3), rgb(63, 51, 1).
Aa
White text reads best on this color (12.46:1).
About this color
#3F3301 is a dark, muted brown. In OKLCH its lightness is 32%, its chroma 0.066 and its hue 94°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.037 away. White text reads best on it, at 12.46:1.
| Hue family | Browns |
| Lightness | dark (32%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.68:1 |
| White text | 12.46:1 |
Values
| HEX | #3F3301 |
| RGB | rgb(63, 51, 1) |
| HSL | hsl(48, 97%, 13%) |
| OKLCH | oklch(32.5% 0.066 94.3) |
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 #3F3301 | 12.46:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #3F3301 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #3F3301 text on white | 12.46:1 | AAA | Lc 98.2 | Preferred for body text |
| #3F3301 text on black | 1.68:1 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDEADF
oklch(93.6% 0.015 94.2)
-
Step 200
200
#DFD9C5
oklch(88.5% 0.028 93.1)
-
Step 300
300
#CBC19D
oklch(81% 0.05 94.3)
-
Step 400
400
#B0A066
oklch(70.6% 0.079 94.5)
-
Step 500
500
#9D883A
oklch(63% 0.101 94.2)
-
Step 600
600
#88710F
oklch(55.5% 0.109 94.1)
-
Step 700
700
#735F00
oklch(49.1% 0.101 94.6)
-
Step 800
800
#5E4E07
oklch(42.8% 0.084 94.7)
-
Step 900
900 (this color)
#3F3301
oklch(32.5% 0.066 94.3)
-
Step 950
950
#2D260C
oklch(27% 0.042 94.4)
#3F3301 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) | #3A3200 | 0.011 |
| Deuteranopia (no green cones) | #3D3504 | 0.007 |
| Tritanopia (no blue cones) | #452E2A | 0.060 |
| Achromatopsia (no color) | #343434 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F3301
#3F3301
oklch(32.5% 0.066 94.3)
- #2A3155
#2A3155
oklch(32.5% 0.065 274)
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 #3F3301, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.037
- Pakistan Green #283618 ΔE 0.040
- Hunter Green #0B4008 ΔE 0.074
- Forrest Green #154406 ΔE 0.075
- Chocolate Brown #411900 ΔE 0.076
- Dark Brown #341C02 ΔE 0.078
- Onyx #343A40 ΔE 0.081
- Pine Green #0A481E ΔE 0.082
Use #3F3301 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.