#3D172B
Closest named color: Aubergine (#3D0734). oklch(27% 0.066 349.6), rgb(61, 23, 43).
Aa
White text reads best on this color (15.48:1).
About this color
#3D172B is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.066 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.042 away. White text reads best on it, at 15.48:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.35:1 |
| White text | 15.48:1 |
Values
| HEX | #3D172B |
| RGB | rgb(61, 23, 43) |
| HSL | hsl(328, 45%, 16%) |
| OKLCH | oklch(27% 0.066 349.6) |
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 #3D172B | 15.48:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #3D172B | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #3D172B text on white | 15.48:1 | AAA | Lc 102.1 | Preferred for body text |
| #3D172B text on black | 1.35:1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EC
oklch(93.6% 0.022 348.8)
-
Step 200
200
#F0CEDD
oklch(88.4% 0.043 349.6)
-
Step 300
300
#E8ACC8
oklch(80.8% 0.079 349.4)
-
Step 400
400
#DA7FAC
oklch(70.8% 0.124 349.7)
-
Step 500
500
#CD5B97
oklch(63.1% 0.159 349.8)
-
Step 600
600
#B83D82
oklch(55.6% 0.173 349.6)
-
Step 700
700
#9E2E6E
oklch(49.1% 0.161 349.5)
-
Step 800
800
#81285A
oklch(42.8% 0.133 349.5)
-
Step 900
900
#68264A
oklch(37.8% 0.104 349.4)
-
Step 950
950 (this color)
#3D172B
oklch(27% 0.066 349.6)
#3D172B 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) | #1B202C | 0.072 |
| Deuteranopia (no green cones) | #26272A | 0.065 |
| Tritanopia (no blue cones) | #41161F | 0.023 |
| Achromatopsia (no color) | #242424 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D172B
#3D172B
oklch(27% 0.066 349.6)
- #002F22
#002F22
oklch(27.1% 0.054 168.9)
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 #3D172B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.042
- Dark Plum #3F012C ΔE 0.045
- Eggplant #380835 ΔE 0.046
- Eggplant Purple #430541 ΔE 0.058
- Dark Purple #35063E ΔE 0.062
- Dark Maroon #3C0008 ΔE 0.065
- Jet #212529 ΔE 0.069
- Chocolate Brown #411900 ΔE 0.069
Use #3D172B 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.