#3F2017
Closest named color: Chocolate Brown (#411900). oklch(28.3% 0.051 37), rgb(63, 32, 23).
Aa
White text reads best on this color (14.68:1).
About this color
#3F2017 is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.051 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.028 away. White text reads best on it, at 14.68:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.43:1 |
| White text | 14.68:1 |
Values
| HEX | #3F2017 |
| RGB | rgb(63, 32, 23) |
| HSL | hsl(14, 47%, 17%) |
| OKLCH | oklch(28.3% 0.051 37) |
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 #3F2017 | 14.68:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #3F2017 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #3F2017 text on white | 14.68:1 | AAA | Lc 101.3 | Preferred for body text |
| #3F2017 text on black | 1.43:1 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E2
oklch(93.6% 0.017 35.3)
-
Step 200
200
#EED2CA
oklch(88.5% 0.033 36.5)
-
Step 300
300
#E4B4A5
oklch(80.9% 0.06 38.1)
-
Step 400
400
#D58B75
oklch(70.7% 0.097 37.3)
-
Step 500
500
#C86C52
oklch(63.1% 0.123 36.7)
-
Step 600
600
#B35236
oklch(55.6% 0.133 36.9)
-
Step 700
700
#9A4228
oklch(49.1% 0.125 37.1)
-
Step 800
800
#7D3722
oklch(42.7% 0.103 37.4)
-
Step 900
900
#653021
oklch(37.7% 0.081 36.7)
-
Step 950
950 (this color)
#3F2017
oklch(28.3% 0.051 37)
#3F2017 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) | #282416 | 0.049 |
| Deuteranopia (no green cones) | #2F2B17 | 0.046 |
| Tritanopia (no blue cones) | #451B1E | 0.024 |
| Achromatopsia (no color) | #282828 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2017
#3F2017
oklch(28.3% 0.051 37)
- #00303A
#00303A
oklch(28.5% 0.051 216.1)
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 #3F2017, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.028
- Dark Brown #341C02 ΔE 0.039
- Mahogany #4A0100 ΔE 0.060
- Jet #212529 ΔE 0.063
- Deep Brown #410200 ΔE 0.063
- Dark Maroon #3C0008 ΔE 0.073
- Dark #1B2431 ΔE 0.079
- Space Cadet #2B2D42 ΔE 0.079
Use #3F2017 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.