#3F102B
Closest named color: Aubergine (#3D0734). oklch(26.3% 0.08 348.6), rgb(63, 16, 43).
Aa
White text reads best on this color (15.90:1).
About this color
#3F102B is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.080 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.028 away. White text reads best on it, at 15.90:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.32:1 |
| White text | 15.90:1 |
Values
| HEX | #3F102B |
| RGB | rgb(63, 16, 43) |
| HSL | hsl(326, 59%, 15%) |
| OKLCH | oklch(26.3% 0.08 348.6) |
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 #3F102B | 15.90:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #3F102B | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #3F102B text on white | 15.90:1 | AAA | Lc 102.4 | Preferred for body text |
| #3F102B text on black | 1.32:1 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F5CCDF
oklch(88.6% 0.052 348.6)
-
Step 300
300
#EFA8CB
oklch(80.9% 0.094 348.4)
-
Step 400
400
#E475B0
oklch(70.6% 0.153 348.6)
-
Step 500
500
#D94B9D
oklch(63.1% 0.195 348.5)
-
Step 600
600
#C42387
oklch(55.6% 0.212 348.7)
-
Step 700
700
#A91173
oklch(49.2% 0.197 348.5)
-
Step 800
800
#89155D
oklch(42.7% 0.163 348.8)
-
Step 900
900
#6E1B4D
oklch(37.6% 0.127 348)
-
Step 950
950 (this color)
#3F102B
oklch(26.3% 0.08 348.6)
#3F102B 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) | #161D2C | 0.089 |
| Deuteranopia (no green cones) | #23252A | 0.079 |
| Tritanopia (no blue cones) | #440E1B | 0.031 |
| Achromatopsia (no color) | #222222 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F102B
#3F102B
oklch(26.3% 0.08 348.6)
- #002D20
#002D20
oklch(26.4% 0.053 168.2)
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 #3F102B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.028
- Dark Plum #3F012C ΔE 0.029
- Eggplant #380835 ΔE 0.035
- Eggplant Purple #430541 ΔE 0.048
- Dark Purple #35063E ΔE 0.054
- Deep Purple #36013F ΔE 0.060
- Deep Violet #490648 ΔE 0.061
- Dark Maroon #3C0008 ΔE 0.061
Use #3F102B 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.