#3F2803
Closest named color: Chocolate Brown (#411900). oklch(29.8% 0.06 73.9), rgb(63, 40, 3).
Aa
White text reads best on this color (13.85:1).
About this color
#3F2803 is a dark, muted brown. In OKLCH its lightness is 30%, its chroma 0.060 and its hue 74°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.042 away. White text reads best on it, at 13.85:1.
| Hue family | Browns |
| Lightness | dark (30%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.51:1 |
| White text | 13.85:1 |
Values
| HEX | #3F2803 |
| RGB | rgb(63, 40, 3) |
| HSL | hsl(37, 91%, 13%) |
| OKLCH | oklch(29.8% 0.06 73.9) |
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 #3F2803 | 13.85:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #3F2803 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #3F2803 text on white | 13.85:1 | AAA | Lc 100.3 | Preferred for body text |
| #3F2803 text on black | 1.51:1 | 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 950.
-
Step 50
50
#F9F5EF
oklch(97.2% 0.009 78.3)
-
Step 100
100
#F2E8DB
oklch(93.5% 0.02 74.7)
-
Step 200
200
#E9D6BD
oklch(88.5% 0.04 74.8)
-
Step 300
300
#DDBA8D
oklch(80.9% 0.072 73.5)
-
Step 400
400
#CB9548
oklch(70.7% 0.114 73.7)
-
Step 500
500
#B97B00
oklch(63.2% 0.134 73.9)
-
Step 600
600
#9C6700
oklch(55.7% 0.118 73.9)
-
Step 700
700
#835600
oklch(49.1% 0.104 74.1)
-
Step 800
800
#6C4600
oklch(42.7% 0.091 73.9)
-
Step 900
900
#5A3A00
oklch(37.7% 0.08 74.4)
-
Step 950
950 (this color)
#3F2803
oklch(29.8% 0.06 73.9)
#3F2803 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) | #302900 | 0.032 |
| Deuteranopia (no green cones) | #362F04 | 0.027 |
| Tritanopia (no blue cones) | #462221 | 0.050 |
| Achromatopsia (no color) | #2D2D2D | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2803
#3F2803
oklch(29.8% 0.06 73.9)
- #162E4B
#162E4B
oklch(29.8% 0.061 254.3)
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 #3F2803, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.042
- Dark Brown #341C02 ΔE 0.046
- Pakistan Green #283618 ΔE 0.055
- Dark Olive #373E02 ΔE 0.071
- Jet #212529 ΔE 0.078
- Mahogany #4A0100 ΔE 0.085
- Onyx #343A40 ΔE 0.087
- Very Dark Green #062E03 ΔE 0.089
Use #3F2803 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.