#3F1011
Closest named color: Deep Brown (#410200). oklch(25.4% 0.073 22.8), rgb(63, 16, 17).
Aa
White text reads best on this color (16.23:1).
About this color
#3F1011 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.073 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.028 away. White text reads best on it, at 16.23:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.29:1 |
| White text | 16.23:1 |
Values
| HEX | #3F1011 |
| RGB | rgb(63, 16, 17) |
| HSL | hsl(359, 59%, 15%) |
| OKLCH | oklch(25.4% 0.073 22.8) |
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 #3F1011 | 16.23:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #3F1011 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #3F1011 text on white | 16.23:1 | AAA | Lc 102.7 | Preferred for body text |
| #3F1011 text on black | 1.29:1 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F8CDCA
oklch(88.4% 0.049 22.8)
-
Step 300
300
#F4ABA7
oklch(81% 0.087 22.7)
-
Step 400
400
#EB7A77
oklch(70.7% 0.14 22.8)
-
Step 500
500
#E15255
oklch(63.2% 0.178 22.6)
-
Step 600
600
#CC2E39
oklch(55.6% 0.193 23)
-
Step 700
700
#B01E2C
oklch(49.1% 0.179 22.8)
-
Step 800
800
#8F1D25
oklch(42.7% 0.149 23)
-
Step 900
900
#732023
oklch(37.7% 0.116 22.7)
-
Step 950
950 (this color)
#3F1011
oklch(25.4% 0.073 22.8)
#3F1011 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) | #1C1A11 | 0.080 |
| Deuteranopia (no green cones) | #282410 | 0.073 |
| Tritanopia (no blue cones) | #460611 | 0.021 |
| Achromatopsia (no color) | #202020 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1011
#3F1011
oklch(25.4% 0.073 22.8)
- #00282C
#00282C
oklch(25.3% 0.043 204.9)
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 #3F1011, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.028
- Mahogany #4A0100 ΔE 0.033
- Dark Maroon #3C0008 ΔE 0.033
- Chocolate Brown #411900 ΔE 0.037
- Dark Brown #341C02 ΔE 0.049
- Dark Plum #3F012C ΔE 0.065
- Aubergine #3D0734 ΔE 0.072
- Eggplant #380835 ΔE 0.077
Use #3F1011 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.