#3F1217
Closest named color: Deep Brown (#410200). oklch(25.8% 0.07 16.9), rgb(63, 18, 23).
Aa
White text reads best on this color (16.02:1).
About this color
#3F1217 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.070 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.037 away. White text reads best on it, at 16.02:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.31:1 |
| White text | 16.02:1 |
Values
| HEX | #3F1217 |
| RGB | rgb(63, 18, 23) |
| HSL | hsl(353, 56%, 16%) |
| OKLCH | oklch(25.8% 0.07 16.9) |
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 #3F1217 | 16.02:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #3F1217 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #3F1217 text on white | 16.02:1 | AAA | Lc 102.6 | Preferred for body text |
| #3F1217 text on black | 1.31:1 | 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
#F6CECE
oklch(88.6% 0.045 18)
-
Step 300
300
#F2ABAD
oklch(80.9% 0.084 17.2)
-
Step 400
400
#E77C83
oklch(70.7% 0.132 16.9)
-
Step 500
500
#DD5564
oklch(63.2% 0.17 16.9)
-
Step 600
600
#C8334B
oklch(55.6% 0.184 16.9)
-
Step 700
700
#AC233C
oklch(49% 0.171 16.9)
-
Step 800
800
#8C2032
oklch(42.7% 0.143 16.7)
-
Step 900
900
#71222C
oklch(37.8% 0.111 16.9)
-
Step 950
950 (this color)
#3F1217
oklch(25.8% 0.07 16.9)
#3F1217 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) | #1D1C17 | 0.077 |
| Deuteranopia (no green cones) | #282516 | 0.071 |
| Tritanopia (no blue cones) | #460A14 | 0.019 |
| Achromatopsia (no color) | #212121 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1217
#3F1217
oklch(25.8% 0.07 16.9)
- #002A2B
#002A2B
oklch(25.9% 0.044 197.2)
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 #3F1217, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.037
- Dark Maroon #3C0008 ΔE 0.039
- Mahogany #4A0100 ΔE 0.039
- Chocolate Brown #411900 ΔE 0.041
- Dark Brown #341C02 ΔE 0.052
- Dark Plum #3F012C ΔE 0.059
- Aubergine #3D0734 ΔE 0.065
- Eggplant #380835 ΔE 0.070
Use #3F1217 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.