#3F1117
Closest named color: Deep Brown (#410200). oklch(25.7% 0.072 16.1), rgb(63, 17, 23).
Aa
White text reads best on this color (16.10:1).
About this color
#3F1117 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.072 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.036 away. White text reads best on it, at 16.10:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.30:1 |
| White text | 16.10:1 |
Values
| HEX | #3F1117 |
| RGB | rgb(63, 17, 23) |
| HSL | hsl(352, 58%, 16%) |
| OKLCH | oklch(25.7% 0.072 16.1) |
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 #3F1117 | 16.10:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #3F1117 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #3F1117 text on white | 16.10:1 | AAA | Lc 102.6 | Preferred for body text |
| #3F1117 text on black | 1.30:1 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#FAE4E4
oklch(93.7% 0.024 17.6)
-
Step 200
200
#F7CDCE
oklch(88.5% 0.048 16.5)
-
Step 300
300
#F2ABAE
oklch(80.9% 0.084 16.3)
-
Step 400
400
#E87A83
oklch(70.6% 0.136 16)
-
Step 500
500
#DE5365
oklch(63.1% 0.173 15.9)
-
Step 600
600
#C9304C
oklch(55.6% 0.188 16)
-
Step 700
700
#AE203D
oklch(49.2% 0.176 16.2)
-
Step 800
800
#8D1E33
oklch(42.7% 0.145 15.8)
-
Step 900
900
#71202C
oklch(37.6% 0.113 16)
-
Step 950
950 (this color)
#3F1117
oklch(25.7% 0.072 16.1)
#3F1117 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) | #1C1B17 | 0.079 |
| Deuteranopia (no green cones) | #282516 | 0.073 |
| Tritanopia (no blue cones) | #460913 | 0.019 |
| Achromatopsia (no color) | #212121 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1117
#3F1117
oklch(25.7% 0.072 16.1)
- #002A2A
#002A2A
oklch(25.8% 0.044 194.8)
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 #3F1117, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.036
- Dark Maroon #3C0008 ΔE 0.037
- Mahogany #4A0100 ΔE 0.039
- Chocolate Brown #411900 ΔE 0.043
- Dark Brown #341C02 ΔE 0.054
- Dark Plum #3F012C ΔE 0.057
- Aubergine #3D0734 ΔE 0.064
- Eggplant #380835 ΔE 0.069
Use #3F1117 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.