#40172A
Closest named color: Aubergine (#3D0734). oklch(27.4% 0.068 353.6), rgb(64, 23, 42).
Aa
White text reads best on this color (15.28:1).
About this color
#40172A is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.068 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.045 away. White text reads best on it, at 15.28:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.37:1 |
| White text | 15.28:1 |
Values
| HEX | #40172A |
| RGB | rgb(64, 23, 42) |
| HSL | hsl(332, 47%, 17%) |
| OKLCH | oklch(27.4% 0.068 353.6) |
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 #40172A | 15.28:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #40172A | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #40172A text on white | 15.28:1 | AAA | Lc 101.9 | Preferred for body text |
| #40172A text on black | 1.37:1 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F2CDDB
oklch(88.4% 0.045 353.3)
-
Step 300
300
#EBABC5
oklch(80.9% 0.082 353)
-
Step 400
400
#DE7DA7
oklch(70.8% 0.129 353.5)
-
Step 500
500
#D25791
oklch(63.1% 0.166 353.5)
-
Step 600
600
#BD387B
oklch(55.6% 0.18 353.7)
-
Step 700
700
#A32968
oklch(49.2% 0.168 353.6)
-
Step 800
800
#842455
oklch(42.7% 0.139 353.3)
-
Step 900
900
#6B2446
oklch(37.8% 0.108 353.8)
-
Step 950
950 (this color)
#40172A
oklch(27.4% 0.068 353.6)
#40172A 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) | #1D212B | 0.075 |
| Deuteranopia (no green cones) | #282829 | 0.068 |
| Tritanopia (no blue cones) | #45151E | 0.024 |
| Achromatopsia (no color) | #252525 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40172A
#40172A
oklch(27.4% 0.068 353.6)
- #003025
#003025
oklch(27.6% 0.053 172.6)
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 #40172A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.045
- Dark Plum #3F012C ΔE 0.046
- Eggplant #380835 ΔE 0.050
- Eggplant Purple #430541 ΔE 0.060
- Dark Maroon #3C0008 ΔE 0.065
- Mahogany #4A0100 ΔE 0.066
- Chocolate Brown #411900 ΔE 0.066
- Dark Purple #35063E ΔE 0.067
Use #40172A 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.