#3F2003
Closest named color: Chocolate Brown (#411900). oklch(28% 0.063 59), rgb(63, 32, 3).
Aa
White text reads best on this color (14.79:1).
About this color
#3F2003 is a dark, muted brown. In OKLCH its lightness is 28%, its chroma 0.063 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.018 away. White text reads best on it, at 14.79:1.
| Hue family | Browns |
| Lightness | dark (28%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.41:1 |
| White text | 14.79:1 |
Values
| HEX | #3F2003 |
| RGB | rgb(63, 32, 3) |
| HSL | hsl(29, 91%, 13%) |
| OKLCH | oklch(28% 0.063 59) |
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 #3F2003 | 14.79:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #3F2003 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #3F2003 text on white | 14.79:1 | AAA | Lc 101.4 | Preferred for body text |
| #3F2003 text on black | 1.41:1 | 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
#FBF4EF
oklch(97.1% 0.01 58.2)
-
Step 100
100
#F5E7DC
oklch(93.6% 0.021 60.7)
-
Step 200
200
#EFD3BF
oklch(88.5% 0.041 57.7)
-
Step 300
300
#E5B691
oklch(80.9% 0.074 59.7)
-
Step 400
400
#D78D50
oklch(70.7% 0.119 58.6)
-
Step 500
500
#CA6F00
oklch(63.2% 0.15 59.1)
-
Step 600
600
#AA5C00
oklch(55.5% 0.132 58.7)
-
Step 700
700
#904D00
oklch(49.1% 0.117 58.7)
-
Step 800
800
#763F00
oklch(42.7% 0.101 59.7)
-
Step 900
900
#633300
oklch(37.6% 0.089 58.6)
-
Step 950
950 (this color)
#3F2003
oklch(28% 0.063 59)
#3F2003 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) | #292300 | 0.048 |
| Deuteranopia (no green cones) | #312B03 | 0.043 |
| Tritanopia (no blue cones) | #46191A | 0.043 |
| Achromatopsia (no color) | #282828 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2003
#3F2003
oklch(28% 0.063 59)
- #012C44
#012C44
oklch(27.9% 0.063 239.6)
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 #3F2003, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.018
- Dark Brown #341C02 ΔE 0.029
- Mahogany #4A0100 ΔE 0.063
- Deep Brown #410200 ΔE 0.065
- Pakistan Green #283618 ΔE 0.074
- Jet #212529 ΔE 0.074
- Dark Maroon #3C0008 ΔE 0.079
- Dark #1B2431 ΔE 0.092
Use #3F2003 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.